1.3.1 - Graphing Fixes Cont'd

Reviewed-on: atridad/OpenClimb#2

.gitignore

@@ -0,0 +1,35 @@
+# Gradle files
+.gradle/
+build/
+release/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Log/OS Files
+*.log
+
+# Android Studio generated files and folders
+captures/
+.externalNativeBuild/
+.cxx/
+*.aab
+*.apk
+output-metadata.json
+
+# IntelliJ
+*.iml
+.idea/
+misc.xml
+deploymentTargetDropDown.xml
+render.experimental.xml
+
+# Keystore files
+*.jks
+*.keystore
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Android Profiling
+*.hprof

.gradle/buildOutputCleanup/cache.properties

@@ -1,2 +0,0 @@
-#Fri Aug 15 12:27:13 MDT 2025
-gradle.version=8.11.1

.gradle/config.properties

@@ -1,2 +0,0 @@
-#Fri Aug 15 12:29:02 MDT 2025
-java.home=/Applications/Android Studio.app/Contents/jbr/Contents/Home

.idea/caches/deviceStreaming.xml

@@ -817,6 +817,19 @@
           <option name="screenX" value="1080" />
           <option name="screenY" value="2424" />
         </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="36" />
+          <option name="brand" value="google" />
+          <option name="codename" value="tokay" />
+          <option name="default" value="true" />
+          <option name="id" value="tokay" />
+          <option name="labId" value="google" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 9" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2424" />
+        </PersistentDeviceSelectionData>
         <PersistentDeviceSelectionData>
           <option name="api" value="34" />
           <option name="brand" value="samsung" />

.idea/deploymentTargetSelector.xml

@@ -4,6 +4,14 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
+        <DropdownSelection timestamp="2025-08-27T22:55:36.064836Z">
+          <Target type="DEFAULT_BOOT">
+            <handle>
+              <DeviceId pluginId="LocalEmulator" identifier="path=/Users/atridad/.android/avd/Pixel_9a.avd" />
+            </handle>
+          </Target>
+        </DropdownSelection>
+        <DialogSelection />
       </SelectionState>
     </selectionStates>
   </component>

.idea/gradle.xml

@@ -1,11 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
         <option name="testRunner" value="CHOOSE_PER_TEST" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
+        <option name="gradleJvm" value="#JAVA_HOME" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />

.idea/misc.xml

@@ -1,10 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
-  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="temurin-21" project-jdk-type="JavaSDK" />
 </project>

.kotlin/errors/errors-1755282386436.log

@@ -1,87 +0,0 @@
-kotlin version: 2.0.21
-error message: java.lang.IllegalStateException: Storage for [/Users/atridad/Developer/personal/OpenClimb/app/build/kspCaches/debug/symbolLookups/id-to-file.tab] is already registered
-	at org.jetbrains.kotlin.com.intellij.util.io.FilePageCache.registerPagedFileStorage(FilePageCache.java:410)
-	at org.jetbrains.kotlin.com.intellij.util.io.PagedFileStorage.<init>(PagedFileStorage.java:72)
-	at org.jetbrains.kotlin.com.intellij.util.io.ResizeableMappedFile.<init>(ResizeableMappedFile.java:55)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentBTreeEnumerator.<init>(PersistentBTreeEnumerator.java:128)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentEnumerator.createDefaultEnumerator(PersistentEnumerator.java:52)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:165)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:140)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.buildImplementation(PersistentMapBuilder.java:88)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.build(PersistentMapBuilder.java:71)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:45)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:71)
-	at org.jetbrains.kotlin.incremental.storage.LazyStorage.createMap(LazyStorage.kt:62)
-	at org.jetbrains.kotlin.incremental.storage.LazyStorage.getStorageOrCreateNew(LazyStorage.kt:59)
-	at org.jetbrains.kotlin.incremental.storage.LazyStorage.set(LazyStorage.kt:80)
-	at org.jetbrains.kotlin.incremental.storage.PersistentStorageWrapper.set(PersistentStorage.kt:96)
-	at org.jetbrains.kotlin.incremental.LookupStorage.addFileIfNeeded(LookupStorage.kt:165)
-	at org.jetbrains.kotlin.incremental.LookupStorage.addAll$lambda$4(LookupStorage.kt:117)
-	at org.jetbrains.kotlin.utils.CollectionsKt.keysToMap(collections.kt:117)
-	at org.jetbrains.kotlin.incremental.LookupStorage.addAll(LookupStorage.kt:117)
-	at org.jetbrains.kotlin.incremental.BuildUtilKt.update(buildUtil.kt:134)
-	at com.google.devtools.ksp.LookupStorageWrapperImpl.update(IncrementalContext.kt:231)
-	at com.google.devtools.ksp.common.IncrementalContextBase.updateLookupCache(IncrementalContextBase.kt:133)
-	at com.google.devtools.ksp.common.IncrementalContextBase.updateCaches(IncrementalContextBase.kt:365)
-	at com.google.devtools.ksp.common.IncrementalContextBase.updateCachesAndOutputs(IncrementalContextBase.kt:471)
-	at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.doAnalysis(KotlinSymbolProcessingExtension.kt:362)
-	at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(TopDownAnalyzerFacadeForJVM.kt:112)
-	at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration$default(TopDownAnalyzerFacadeForJVM.kt:75)
-	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze$lambda$12(KotlinToJVMBytecodeCompiler.kt:373)
-	at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:112)
-	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze(KotlinToJVMBytecodeCompiler.kt:364)
-	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.repeatAnalysisIfNeeded(KotlinToJVMBytecodeCompiler.kt:282)
-	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.runFrontendAndGenerateIrUsingClassicFrontend(KotlinToJVMBytecodeCompiler.kt:195)
-	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli(KotlinToJVMBytecodeCompiler.kt:106)
-	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:170)
-	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:43)
-	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:103)
-	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:49)
-	at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:101)
-	at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:1555)
-	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
-	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
-	at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360)
-	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200)
-	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197)
-	at java.base/java.security.AccessController.doPrivileged(AccessController.java:714)
-	at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:598)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:844)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:721)
-	at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:720)
-	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
-	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
-	at java.base/java.lang.Thread.run(Thread.java:1583)
-	Suppressed: java.lang.Exception: Storage[/Users/atridad/Developer/personal/OpenClimb/app/build/kspCaches/debug/symbolLookups/id-to-file.tab] registration stack trace
-		at org.jetbrains.kotlin.com.intellij.util.io.FilePageCache.registerPagedFileStorage(FilePageCache.java:437)
-		at org.jetbrains.kotlin.com.intellij.util.io.PagedFileStorage.<init>(PagedFileStorage.java:72)
-		at org.jetbrains.kotlin.com.intellij.util.io.ResizeableMappedFile.<init>(ResizeableMappedFile.java:55)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentBTreeEnumerator.<init>(PersistentBTreeEnumerator.java:128)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentEnumerator.createDefaultEnumerator(PersistentEnumerator.java:52)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:165)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:140)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.buildImplementation(PersistentMapBuilder.java:88)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.build(PersistentMapBuilder.java:71)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:45)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:71)
-		at org.jetbrains.kotlin.incremental.storage.LazyStorage.createMap(LazyStorage.kt:62)
-		at org.jetbrains.kotlin.incremental.storage.LazyStorage.getStorageIfExists(LazyStorage.kt:53)
-		at org.jetbrains.kotlin.incremental.storage.LazyStorage.get(LazyStorage.kt:76)
-		at org.jetbrains.kotlin.incremental.storage.PersistentStorageWrapper.get(PersistentStorage.kt:92)
-		at org.jetbrains.kotlin.incremental.LookupStorage.get(LookupStorage.kt:99)
-		at com.google.devtools.ksp.LookupStorageWrapperImpl.get(IncrementalContext.kt:224)
-		at com.google.devtools.ksp.common.IncrementalContextBase.calcDirtyFiles(IncrementalContextBase.kt:234)
-		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension$doAnalysis$2.invoke(KotlinSymbolProcessingExtension.kt:196)
-		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension$doAnalysis$2.invoke(KotlinSymbolProcessingExtension.kt:189)
-		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.handleException(KotlinSymbolProcessingExtension.kt:414)
-		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.doAnalysis(KotlinSymbolProcessingExtension.kt:189)
-		at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(TopDownAnalyzerFacadeForJVM.kt:112)
-		at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration$default(TopDownAnalyzerFacadeForJVM.kt:75)
-		at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze$lambda$12(KotlinToJVMBytecodeCompiler.kt:373)
-		at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:112)
-		at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze(KotlinToJVMBytecodeCompiler.kt:364)
-		... 23 more
-
-

.kotlin/errors/errors-1755282407075.log

@@ -1,87 +0,0 @@
-kotlin version: 2.0.21
-error message: java.lang.IllegalStateException: Storage for [/Users/atridad/Developer/personal/OpenClimb/app/build/kspCaches/debug/symbolLookups/id-to-file.tab] is already registered
-	at org.jetbrains.kotlin.com.intellij.util.io.FilePageCache.registerPagedFileStorage(FilePageCache.java:410)
-	at org.jetbrains.kotlin.com.intellij.util.io.PagedFileStorage.<init>(PagedFileStorage.java:72)
-	at org.jetbrains.kotlin.com.intellij.util.io.ResizeableMappedFile.<init>(ResizeableMappedFile.java:55)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentBTreeEnumerator.<init>(PersistentBTreeEnumerator.java:128)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentEnumerator.createDefaultEnumerator(PersistentEnumerator.java:52)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:165)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:140)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.buildImplementation(PersistentMapBuilder.java:88)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.build(PersistentMapBuilder.java:71)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:45)
-	at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:71)
-	at org.jetbrains.kotlin.incremental.storage.LazyStorage.createMap(LazyStorage.kt:62)
-	at org.jetbrains.kotlin.incremental.storage.LazyStorage.getStorageOrCreateNew(LazyStorage.kt:59)
-	at org.jetbrains.kotlin.incremental.storage.LazyStorage.set(LazyStorage.kt:80)
-	at org.jetbrains.kotlin.incremental.storage.PersistentStorageWrapper.set(PersistentStorage.kt:96)
-	at org.jetbrains.kotlin.incremental.LookupStorage.addFileIfNeeded(LookupStorage.kt:165)
-	at org.jetbrains.kotlin.incremental.LookupStorage.addAll$lambda$4(LookupStorage.kt:117)
-	at org.jetbrains.kotlin.utils.CollectionsKt.keysToMap(collections.kt:117)
-	at org.jetbrains.kotlin.incremental.LookupStorage.addAll(LookupStorage.kt:117)
-	at org.jetbrains.kotlin.incremental.BuildUtilKt.update(buildUtil.kt:134)
-	at com.google.devtools.ksp.LookupStorageWrapperImpl.update(IncrementalContext.kt:231)
-	at com.google.devtools.ksp.common.IncrementalContextBase.updateLookupCache(IncrementalContextBase.kt:133)
-	at com.google.devtools.ksp.common.IncrementalContextBase.updateCaches(IncrementalContextBase.kt:365)
-	at com.google.devtools.ksp.common.IncrementalContextBase.updateCachesAndOutputs(IncrementalContextBase.kt:471)
-	at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.doAnalysis(KotlinSymbolProcessingExtension.kt:362)
-	at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(TopDownAnalyzerFacadeForJVM.kt:112)
-	at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration$default(TopDownAnalyzerFacadeForJVM.kt:75)
-	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze$lambda$12(KotlinToJVMBytecodeCompiler.kt:373)
-	at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:112)
-	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze(KotlinToJVMBytecodeCompiler.kt:364)
-	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.repeatAnalysisIfNeeded(KotlinToJVMBytecodeCompiler.kt:282)
-	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.runFrontendAndGenerateIrUsingClassicFrontend(KotlinToJVMBytecodeCompiler.kt:195)
-	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli(KotlinToJVMBytecodeCompiler.kt:106)
-	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:170)
-	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:43)
-	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:103)
-	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:49)
-	at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:101)
-	at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:1555)
-	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
-	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
-	at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360)
-	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200)
-	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197)
-	at java.base/java.security.AccessController.doPrivileged(AccessController.java:714)
-	at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:598)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:844)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:721)
-	at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:720)
-	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
-	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
-	at java.base/java.lang.Thread.run(Thread.java:1583)
-	Suppressed: java.lang.Exception: Storage[/Users/atridad/Developer/personal/OpenClimb/app/build/kspCaches/debug/symbolLookups/id-to-file.tab] registration stack trace
-		at org.jetbrains.kotlin.com.intellij.util.io.FilePageCache.registerPagedFileStorage(FilePageCache.java:437)
-		at org.jetbrains.kotlin.com.intellij.util.io.PagedFileStorage.<init>(PagedFileStorage.java:72)
-		at org.jetbrains.kotlin.com.intellij.util.io.ResizeableMappedFile.<init>(ResizeableMappedFile.java:55)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentBTreeEnumerator.<init>(PersistentBTreeEnumerator.java:128)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentEnumerator.createDefaultEnumerator(PersistentEnumerator.java:52)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:165)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:140)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.buildImplementation(PersistentMapBuilder.java:88)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.build(PersistentMapBuilder.java:71)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:45)
-		at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:71)
-		at org.jetbrains.kotlin.incremental.storage.LazyStorage.createMap(LazyStorage.kt:62)
-		at org.jetbrains.kotlin.incremental.storage.LazyStorage.getStorageIfExists(LazyStorage.kt:53)
-		at org.jetbrains.kotlin.incremental.storage.LazyStorage.get(LazyStorage.kt:76)
-		at org.jetbrains.kotlin.incremental.storage.PersistentStorageWrapper.get(PersistentStorage.kt:92)
-		at org.jetbrains.kotlin.incremental.LookupStorage.get(LookupStorage.kt:99)
-		at com.google.devtools.ksp.LookupStorageWrapperImpl.get(IncrementalContext.kt:224)
-		at com.google.devtools.ksp.common.IncrementalContextBase.calcDirtyFiles(IncrementalContextBase.kt:234)
-		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension$doAnalysis$2.invoke(KotlinSymbolProcessingExtension.kt:196)
-		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension$doAnalysis$2.invoke(KotlinSymbolProcessingExtension.kt:189)
-		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.handleException(KotlinSymbolProcessingExtension.kt:414)
-		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.doAnalysis(KotlinSymbolProcessingExtension.kt:189)
-		at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(TopDownAnalyzerFacadeForJVM.kt:112)
-		at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration$default(TopDownAnalyzerFacadeForJVM.kt:75)
-		at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze$lambda$12(KotlinToJVMBytecodeCompiler.kt:373)
-		at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:112)
-		at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze(KotlinToJVMBytecodeCompiler.kt:364)
-		... 23 more
-
-

.vscode/settings.json

@@ -1,3 +0,0 @@
-{
-    "java.configuration.updateBuildConfiguration": "disabled"
-}

README.md

@@ -7,7 +7,7 @@ This is a FOSS Android app meant to help climbers track their sessions, routes/p
 You have two options:
 
 1. Download the latest APK from the Released page
-2. Use <a href="">Obtainium</a>
+2. Use <a href="https://apps.obtainium.imranr.dev/redirect?r=obtainium://app/%7B%22id%22%3A%22com.atridad.openclimb%22%2C%22url%22%3A%22https%3A%2F%2Fgit.atri.dad%2Fatridad%2FOpenClimb%2Freleases%22%2C%22author%22%3A%22git.atri.dad%22%2C%22name%22%3A%22OpenClimb%22%2C%22preferredApkIndex%22%3A0%2C%22additionalSettings%22%3A%22%7B%5C%22intermediateLink%5C%22%3A%5B%5D%2C%5C%22customLinkFilterRegex%5C%22%3A%5C%22%5C%22%2C%5C%22filterByLinkText%5C%22%3Afalse%2C%5C%22skipSort%5C%22%3Afalse%2C%5C%22reverseSort%5C%22%3Afalse%2C%5C%22sortByLastLinkSegment%5C%22%3Afalse%2C%5C%22versionExtractWholePage%5C%22%3Afalse%2C%5C%22requestHeader%5C%22%3A%5B%7B%5C%22requestHeader%5C%22%3A%5C%22User-Agent%3A%20Mozilla%2F5.0%20(Linux%3B%20Android%2010%3B%20K)%20AppleWebKit%2F537.36%20(KHTML%2C%20like%20Gecko)%20Chrome%2F114.0.0.0%20Mobile%20Safari%2F537.36%5C%22%7D%5D%2C%5C%22defaultPseudoVersioningMethod%5C%22%3A%5C%22partialAPKHash%5C%22%2C%5C%22trackOnly%5C%22%3Afalse%2C%5C%22versionExtractionRegEx%5C%22%3A%5C%22%5C%22%2C%5C%22matchGroupToUse%5C%22%3A%5C%22%5C%22%2C%5C%22versionDetection%5C%22%3Afalse%2C%5C%22useVersionCodeAsOSVersion%5C%22%3Afalse%2C%5C%22apkFilterRegEx%5C%22%3A%5C%22%5C%22%2C%5C%22invertAPKFilter%5C%22%3Afalse%2C%5C%22autoApkFilterByArch%5C%22%3Atrue%2C%5C%22appName%5C%22%3A%5C%22OpenClimb%5C%22%2C%5C%22appAuthor%5C%22%3A%5C%22%5C%22%2C%5C%22shizukuPretendToBeGooglePlay%5C%22%3Afalse%2C%5C%22allowInsecure%5C%22%3Afalse%2C%5C%22exemptFromBackgroundUpdates%5C%22%3Afalse%2C%5C%22skipUpdateNotifications%5C%22%3Afalse%2C%5C%22about%5C%22%3A%5C%22%5C%22%2C%5C%22refreshBeforeDownload%5C%22%3Afalse%7D%22%2C%22overrideSource%22%3Anull%7D">Obtainium</a>
 
 ## Requirements
 

app/build.gradle.kts

@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
@@ -8,21 +10,21 @@ plugins {
 
 android {
     namespace = "com.atridad.openclimb"
-    compileSdk = 35
+    compileSdk = 36
 
     defaultConfig {
         applicationId = "com.atridad.openclimb"
-        minSdk = 31
-        targetSdk = 35
-        versionCode = 1
-        versionName = "0.1.0"
+        minSdk = 34
+        targetSdk = 36
+        versionCode = 20
+        versionName = "1.3.1"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
         release {
-            isMinifyEnabled = false
+            isMinifyEnabled = true
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"
@@ -30,17 +32,27 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_11
-        targetCompatibility = JavaVersion.VERSION_11
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
     }
-    kotlinOptions {
-        jvmTarget = "11"
+    
+    java {
+        toolchain {
+            languageVersion.set(JavaLanguageVersion.of(17))
+        }
     }
+    
     buildFeatures {
         compose = true
     }
 }
 
+kotlin {
+    compilerOptions {
+        jvmTarget.set(JvmTarget.JVM_17)
+    }
+}
+
 dependencies {
     // Core Android libraries
     implementation(libs.androidx.core.ktx)
@@ -57,6 +69,7 @@ dependencies {
     // Room Database
     implementation(libs.androidx.room.runtime)
     implementation(libs.androidx.room.ktx)
+
     ksp(libs.androidx.room.compiler)
     
     // Navigation
@@ -74,13 +87,18 @@ dependencies {
     // Image Loading
     implementation(libs.coil.compose)
     
-    // Charts - Placeholder for future implementation
-    // Charts will be implemented with a stable library in future versions
+
     
     // Testing
     testImplementation(libs.junit)
+    testImplementation(libs.mockk)
+    testImplementation(libs.kotlinx.coroutines.test)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(libs.androidx.test.core)
+    androidTestImplementation(libs.androidx.test.ext)
+    androidTestImplementation(libs.androidx.test.runner)
+    androidTestImplementation(libs.androidx.test.rules)
     androidTestImplementation(platform(libs.androidx.compose.bom))
     androidTestImplementation(libs.androidx.ui.test.junit4)
     debugImplementation(libs.androidx.ui.tooling)

app/src/main/AndroidManifest.xml

@@ -8,6 +8,9 @@
         android:maxSdkVersion="28" />
     <uses-permission android:name="android.permission.CAMERA" />
     
+    <!-- Hardware features -->
+    <uses-feature android:name="android.hardware.camera" android:required="false" />
+    
     <!-- Permissions for notifications and foreground service -->
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
@@ -27,7 +30,7 @@
             android:name=".MainActivity"
             android:exported="true"
             android:label="@string/app_name"
-            android:theme="@style/Theme.OpenClimb">
+            android:theme="@style/Theme.OpenClimb.Splash">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
@@ -51,7 +54,8 @@
             android:name=".service.SessionTrackingService"
             android:enabled="true"
             android:exported="false"
-            android:foregroundServiceType="specialUse">
+            android:foregroundServiceType="specialUse"
+            android:description="@string/session_tracking_service_description">
             <meta-data
                 android:name="android.app.foreground_service_type"
                 android:value="specialUse" />

app/src/main/java/com/atridad/openclimb/MainActivity.kt

@@ -13,6 +13,7 @@ import com.atridad.openclimb.ui.theme.OpenClimbTheme
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        setTheme(R.style.Theme_OpenClimb)
         enableEdgeToEdge()
         setContent {
             OpenClimbTheme {

app/src/main/java/com/atridad/openclimb/data/database/dao/AttemptDao.kt

@@ -53,6 +53,9 @@ interface AttemptDao {
     @Query("SELECT COUNT(*) FROM attempts")
     suspend fun getAttemptsCount(): Int
     
+    @Query("DELETE FROM attempts")
+    suspend fun deleteAllAttempts()
+    
     @Query("SELECT COUNT(*) FROM attempts WHERE sessionId = :sessionId")
     suspend fun getAttemptsCountBySession(sessionId: String): Int
     

app/src/main/java/com/atridad/openclimb/data/database/dao/ClimbSessionDao.kt

@@ -59,6 +59,9 @@ interface ClimbSessionDao {
     @Query("SELECT * FROM climb_sessions WHERE status = 'ACTIVE' ORDER BY date DESC LIMIT 1")
     suspend fun getActiveSession(): ClimbSession?
     
+    @Query("DELETE FROM climb_sessions")
+    suspend fun deleteAllSessions()
+    
     @Query("SELECT * FROM climb_sessions WHERE status = 'ACTIVE' ORDER BY date DESC LIMIT 1")
     fun getActiveSessionFlow(): Flow<ClimbSession?>
 }

app/src/main/java/com/atridad/openclimb/data/database/dao/GymDao.kt

@@ -37,4 +37,7 @@ interface GymDao {
     
     @Query("SELECT * FROM gyms WHERE name LIKE '%' || :searchQuery || '%' OR location LIKE '%' || :searchQuery || '%'")
     fun searchGyms(searchQuery: String): Flow<List<Gym>>
+    
+    @Query("DELETE FROM gyms")
+    suspend fun deleteAllGyms()
 }

app/src/main/java/com/atridad/openclimb/data/database/dao/ProblemDao.kt

@@ -59,4 +59,10 @@ interface ProblemDao {
         ORDER BY updatedAt DESC
     """)
     fun searchProblems(searchQuery: String): Flow<List<Problem>>
+    
+    @Query("SELECT COUNT(*) FROM problems")
+    suspend fun getProblemsCount(): Int
+    
+    @Query("DELETE FROM problems")
+    suspend fun deleteAllProblems()
 }

app/src/main/java/com/atridad/openclimb/data/model/Attempt.kt

@@ -9,12 +9,10 @@ import java.time.LocalDateTime
 
 @Serializable
 enum class AttemptResult {
-    SUCCESS,        // Completed the problem/route
-    FALL,          // Fell but made progress
-    NO_PROGRESS,   // Couldn't make meaningful progress
-    FLASH,         // Completed on first try
-    REDPOINT,      // Completed after previous attempts
-    ONSIGHT        // Completed on first try without prior knowledge
+    SUCCESS,
+    FALL,
+    NO_PROGRESS,
+    FLASH,
 }
 
 @Entity(

app/src/main/java/com/atridad/openclimb/data/model/ClimbSession.kt

@@ -31,10 +31,10 @@ data class ClimbSession(
     @PrimaryKey
     val id: String,
     val gymId: String,
-    val date: String, // ISO date string
-    val startTime: String? = null, // When session was started
-    val endTime: String? = null, // When session was completed
-    val duration: Long? = null, // Duration in minutes (calculated when completed)
+    val date: String,
+    val startTime: String? = null,
+    val endTime: String? = null,
+    val duration: Long? = null,
     val status: SessionStatus = SessionStatus.ACTIVE,
     val notes: String? = null,
     val createdAt: String,
@@ -65,7 +65,7 @@ data class ClimbSession(
                     val start = LocalDateTime.parse(startTime)
                     val end = LocalDateTime.parse(endTime)
                     java.time.Duration.between(start, end).toMinutes()
-                } catch (e: Exception) {
+                } catch (_: Exception) {
                     null
                 }
             } else null

app/src/main/java/com/atridad/openclimb/data/model/ClimbType.kt

@@ -5,5 +5,13 @@ import kotlinx.serialization.Serializable
 @Serializable
 enum class ClimbType {
     ROPE,
-    BOULDER
+    BOULDER;
+    
+    /**
+     * Get the display name
+     */
+    fun getDisplayName(): String = when (this) {
+        ROPE -> "Rope"
+        BOULDER -> "Bouldering"
+    }
 }

app/src/main/java/com/atridad/openclimb/data/model/DifficultySystem.kt

@@ -4,23 +4,105 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 enum class DifficultySystem {
-    // Rope climbing systems
-    YDS,           // Yosemite Decimal System (5.1 - 5.15d)
-    FRENCH,        // French system (3 - 9c+)
-    UIAA,          // UIAA system (I - XII+)
-    BRITISH,       // British system (Mod - E11)
+    // Bouldering
+    V_SCALE, // V-Scale (VB - V17)
+    FONT, // Fontainebleau (3 - 8C+)
     
-    // Bouldering systems
-    V_SCALE,       // V-Scale (VB - V17)
-    FONT,          // Fontainebleau (3 - 9A+)
+    // Rope
+    YDS, // Yosemite Decimal System (5.0 - 5.15d)
     
-    // Custom system for gyms that use their own colors/naming
-    CUSTOM
+    // Custom difficulty systems
+    CUSTOM;
+    
+    /**
+     * Get the display name for the UI
+     */
+    fun getDisplayName(): String = when (this) {
+        V_SCALE -> "V Scale"
+        FONT -> "Font Scale"
+        YDS -> "YDS (Yosemite)"
+        CUSTOM -> "Custom"
+    }
+    
+    /**
+     * Check if this system is for bouldering
+     */
+    fun isBoulderingSystem(): Boolean = when (this) {
+        V_SCALE, FONT -> true
+        YDS -> false
+        CUSTOM -> true // Custom is available for all
+    }
+    
+    /**
+     * Check if this system is for rope climbing
+     */
+    fun isRopeSystem(): Boolean = when (this) {
+        YDS -> true
+        V_SCALE, FONT -> false
+        CUSTOM -> true
+    }
+    
+    /**
+     * Get available grades for this system
+     */
+    fun getAvailableGrades(): List<String> = when (this) {
+        V_SCALE -> listOf("VB", "V0", "V1", "V2", "V3", "V4", "V5", "V6", "V7", "V8", "V9", "V10", "V11", "V12", "V13", "V14", "V15", "V16", "V17")
+        FONT -> listOf("3", "4A", "4B", "4C", "5A", "5B", "5C", "6A", "6A+", "6B", "6B+", "6C", "6C+", "7A", "7A+", "7B", "7B+", "7C", "7C+", "8A", "8A+", "8B", "8B+", "8C", "8C+")
+        YDS -> listOf("5.0", "5.1", "5.2", "5.3", "5.4", "5.5", "5.6", "5.7", "5.8", "5.9", "5.10a", "5.10b", "5.10c", "5.10d", "5.11a", "5.11b", "5.11c", "5.11d", "5.12a", "5.12b", "5.12c", "5.12d", "5.13a", "5.13b", "5.13c", "5.13d", "5.14a", "5.14b", "5.14c", "5.14d", "5.15a", "5.15b", "5.15c", "5.15d")
+        CUSTOM -> emptyList()
+    }
+    
+    companion object {
+        /**
+         * Get all difficulty systems based on type
+         */
+        fun getSystemsForClimbType(climbType: ClimbType): List<DifficultySystem> = when (climbType) {
+            ClimbType.BOULDER -> entries.filter { it.isBoulderingSystem() }
+            ClimbType.ROPE -> entries.filter { it.isRopeSystem() }
+        }
+    }
 }
 
 @Serializable
 data class DifficultyGrade(
     val system: DifficultySystem,
     val grade: String,
-    val numericValue: Int // For comparison and analytics
-)
+    val numericValue: Int
+) {
+    /**
+     * Compare this grade with another grade of the same system
+     * Returns negative if this grade is easier, positive if harder, 0 if equal
+     */
+    fun compareTo(other: DifficultyGrade): Int {
+        if (system != other.system) return 0
+        
+        return when (system) {
+            DifficultySystem.V_SCALE -> compareVScaleGrades(grade, other.grade)
+            DifficultySystem.FONT -> compareFontGrades(grade, other.grade)
+            DifficultySystem.YDS -> compareYDSGrades(grade, other.grade)
+            DifficultySystem.CUSTOM -> grade.compareTo(other.grade)
+        }
+    }
+    
+    private fun compareVScaleGrades(grade1: String, grade2: String): Int {
+        // Handle VB (easiest) specially
+        if (grade1 == "VB" && grade2 != "VB") return -1
+        if (grade2 == "VB" && grade1 != "VB") return 1
+        if (grade1 == "VB" && grade2 == "VB") return 0
+        
+        // Extract numeric values for V grades
+        val num1 = grade1.removePrefix("V").toIntOrNull() ?: 0
+        val num2 = grade2.removePrefix("V").toIntOrNull() ?: 0
+        return num1.compareTo(num2)
+    }
+    
+    private fun compareFontGrades(grade1: String, grade2: String): Int {
+        // Simple string comparison for Font grades
+        return grade1.compareTo(grade2)
+    }
+    
+    private fun compareYDSGrades(grade1: String, grade2: String): Int {
+        // Simple string comparison for YDS grades
+        return grade1.compareTo(grade2)
+    }
+}

app/src/main/java/com/atridad/openclimb/data/model/Gym.kt

@@ -13,10 +13,10 @@ data class Gym(
     val name: String,
     val location: String? = null,
     val supportedClimbTypes: List<ClimbType>,
-    val difficultySystems: List<DifficultySystem>, // What systems this gym uses
-    val customDifficultyGrades: List<String> = emptyList(), // For gyms using colors/custom names
+    val difficultySystems: List<DifficultySystem>,
+    val customDifficultyGrades: List<String> = emptyList(),
     val notes: String? = null,
-    val createdAt: String, // ISO string format for serialization
+    val createdAt: String,
     val updatedAt: String
 ) {
     companion object {

app/src/main/java/com/atridad/openclimb/data/model/Problem.kt

@@ -28,12 +28,12 @@ data class Problem(
     val description: String? = null,
     val climbType: ClimbType,
     val difficulty: DifficultyGrade,
-    val setter: String? = null, // Route setter name
-    val tags: List<String> = emptyList(), // e.g., "overhang", "slab", "crimpy"
-    val location: String? = null, // Wall section, area in gym
-    val imagePaths: List<String> = emptyList(), // Local file paths to photos
-    val isActive: Boolean = true, // Whether the problem is still up
-    val dateSet: String? = null, // When the problem was set
+    val setter: String? = null,
+    val tags: List<String> = emptyList(),
+    val location: String? = null,
+    val imagePaths: List<String> = emptyList(),
+    val isActive: Boolean = true,
+    val dateSet: String? = null,
     val notes: String? = null,
     val createdAt: String,
     val updatedAt: String

app/src/main/java/com/atridad/openclimb/data/model/Progress.kt

@@ -1,50 +0,0 @@
-package com.atridad.openclimb.data.model
-
-import kotlinx.serialization.Serializable
-import java.time.LocalDateTime
-
-@Serializable
-data class ProblemProgress(
-    val problemId: String,
-    val totalAttempts: Int,
-    val successfulAttempts: Int,
-    val firstAttemptDate: String,
-    val lastAttemptDate: String,
-    val bestResult: AttemptResult,
-    val averageAttempts: Double,
-    val successRate: Double,
-    val personalBest: String? = null, // Highest hold or completion details
-    val notes: String? = null
-)
-
-@Serializable
-data class SessionSummary(
-    val sessionId: String,
-    val date: String,
-    val totalAttempts: Int,
-    val successfulAttempts: Int,
-    val uniqueProblems: Int,
-    val avgDifficulty: Double,
-    val maxDifficulty: DifficultyGrade,
-    val climbTypes: List<ClimbType>,
-    val duration: Long?, // in minutes
-    val notes: String? = null
-)
-
-@Serializable
-data class ClimbingStats(
-    val totalSessions: Int,
-    val totalAttempts: Int,
-    val totalSuccesses: Int,
-    val overallSuccessRate: Double,
-    val uniqueProblemsAttempted: Int,
-    val uniqueProblemsCompleted: Int,
-    val averageSessionDuration: Double, // in minutes
-    val favoriteGym: String?,
-    val mostAttemptedDifficulty: DifficultyGrade?,
-    val currentStreak: Int, // consecutive sessions
-    val longestStreak: Int,
-    val firstClimbDate: String?,
-    val lastClimbDate: String?,
-    val improvementTrend: String? = null // "improving", "stable", "declining"
-)

app/src/main/java/com/atridad/openclimb/data/repository/ClimbRepository.kt

@@ -4,7 +4,6 @@ import android.content.Context
 import android.os.Environment
 import com.atridad.openclimb.data.database.OpenClimbDatabase
 import com.atridad.openclimb.data.model.*
-import com.atridad.openclimb.utils.ImageUtils
 import com.atridad.openclimb.utils.ZipExportImportUtils
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.first
@@ -14,7 +13,7 @@ import java.io.File
 import java.time.LocalDateTime
 
 class ClimbRepository(
-    private val database: OpenClimbDatabase,
+    database: OpenClimbDatabase,
     private val context: Context
 ) {
     private val gymDao = database.gymDao()
@@ -40,7 +39,6 @@ class ClimbRepository(
     fun getAllProblems(): Flow<List<Problem>> = problemDao.getAllProblems()
     suspend fun getProblemById(id: String): Problem? = problemDao.getProblemById(id)
     fun getProblemsByGym(gymId: String): Flow<List<Problem>> = problemDao.getProblemsByGym(gymId)
-    fun getActiveProblems(): Flow<List<Problem>> = problemDao.getActiveProblems()
     suspend fun insertProblem(problem: Problem) = problemDao.insertProblem(problem)
     suspend fun updateProblem(problem: Problem) = problemDao.updateProblem(problem)
     suspend fun deleteProblem(problem: Problem) = problemDao.deleteProblem(problem)
@@ -50,17 +48,14 @@ class ClimbRepository(
     fun getAllSessions(): Flow<List<ClimbSession>> = sessionDao.getAllSessions()
     suspend fun getSessionById(id: String): ClimbSession? = sessionDao.getSessionById(id)
     fun getSessionsByGym(gymId: String): Flow<List<ClimbSession>> = sessionDao.getSessionsByGym(gymId)
-    fun getRecentSessions(limit: Int = 10): Flow<List<ClimbSession>> = sessionDao.getRecentSessions(limit)
     suspend fun getActiveSession(): ClimbSession? = sessionDao.getActiveSession()
     fun getActiveSessionFlow(): Flow<ClimbSession?> = sessionDao.getActiveSessionFlow()
-    fun getSessionsByStatus(status: SessionStatus): Flow<List<ClimbSession>> = sessionDao.getSessionsByStatus(status)
     suspend fun insertSession(session: ClimbSession) = sessionDao.insertSession(session)
     suspend fun updateSession(session: ClimbSession) = sessionDao.updateSession(session)
     suspend fun deleteSession(session: ClimbSession) = sessionDao.deleteSession(session)
     
     // Attempt operations
     fun getAllAttempts(): Flow<List<Attempt>> = attemptDao.getAllAttempts()
-    suspend fun getAttemptById(id: String): Attempt? = attemptDao.getAttemptById(id)
     fun getAttemptsBySession(sessionId: String): Flow<List<Attempt>> = attemptDao.getAttemptsBySession(sessionId)
     fun getAttemptsByProblem(problemId: String): Flow<List<Attempt>> = attemptDao.getAttemptsByProblem(problemId)
     suspend fun insertAttempt(attempt: Attempt) = attemptDao.insertAttempt(attempt)
@@ -69,181 +64,148 @@ class ClimbRepository(
     
 
     
-    // JSON Export functionality
-    suspend fun exportAllDataToJson(directory: File? = null): File {
-        val exportDir = directory ?: File(context.getExternalFilesDir(Environment.DIRECTORY_DOCUMENTS), "OpenClimb")
-        if (!exportDir.exists()) {
-            exportDir.mkdirs()
-        }
-        
-        val timestamp = LocalDateTime.now().toString().replace(":", "-").replace(".", "-")
-        val exportFile = File(exportDir, "openclimb_export_$timestamp.json")
-        
-        val allGyms = gymDao.getAllGyms().first()
-        val allProblems = problemDao.getAllProblems().first()
-        val allSessions = sessionDao.getAllSessions().first()
-        val allAttempts = attemptDao.getAllAttempts().first()
-        
-        val exportData = ClimbDataExport(
-            exportedAt = LocalDateTime.now().toString(),
-            gyms = allGyms,
-            problems = allProblems,
-            sessions = allSessions,
-            attempts = allAttempts
-        )
-        
-        val jsonString = json.encodeToString(exportData)
-        exportFile.writeText(jsonString)
-        
-        return exportFile
-    }
-    
-    suspend fun exportAllDataToUri(context: Context, uri: android.net.Uri) {
-        val gyms = gymDao.getAllGyms().first()
-        val problems = problemDao.getAllProblems().first()
-        val sessions = sessionDao.getAllSessions().first()
-        val attempts = attemptDao.getAllAttempts().first()
-        
-        val exportData = ClimbDataExport(
-            exportedAt = LocalDateTime.now().toString(),
-            gyms = gyms,
-            problems = problems,
-            sessions = sessions,
-            attempts = attempts
-        )
-        
-        val jsonString = json.encodeToString(exportData)
-        
-        context.contentResolver.openOutputStream(uri)?.use { outputStream ->
-            outputStream.write(jsonString.toByteArray())
-        } ?: throw Exception("Could not open output stream")
-    }
-    
-    suspend fun importDataFromJson(file: File) {
-        try {
-            val jsonContent = file.readText()
-            val importData = json.decodeFromString<ClimbDataExport>(jsonContent)
-            
-            // Import gyms (replace if exists due to primary key constraint)
-            importData.gyms.forEach { gym ->
-                try {
-                    gymDao.insertGym(gym)
-                } catch (e: Exception) {
-                    // If insertion fails due to primary key conflict, update instead
-                    gymDao.updateGym(gym)
-                }
-            }
-            
-            // Import problems
-            importData.problems.forEach { problem ->
-                try {
-                    problemDao.insertProblem(problem)
-                } catch (e: Exception) {
-                    problemDao.updateProblem(problem)
-                }
-            }
-            
-            // Import sessions
-            importData.sessions.forEach { session ->
-                try {
-                    sessionDao.insertSession(session)
-                } catch (e: Exception) {
-                    sessionDao.updateSession(session)
-                }
-            }
-            
-            // Import attempts
-            importData.attempts.forEach { attempt ->
-                try {
-                    attemptDao.insertAttempt(attempt)
-                } catch (e: Exception) {
-                    attemptDao.updateAttempt(attempt)
-                }
-            }
-            
-        } catch (e: Exception) {
-            throw Exception("Failed to import data: ${e.message}")
-        }
-    }
-    
-    // ZIP Export functionality with images
+    // ZIP Export with images - Single format for reliability
     suspend fun exportAllDataToZip(directory: File? = null): File {
-        val allGyms = gymDao.getAllGyms().first()
-        val allProblems = problemDao.getAllProblems().first()
-        val allSessions = sessionDao.getAllSessions().first()
-        val allAttempts = attemptDao.getAllAttempts().first()
-        
-        val exportData = ClimbDataExport(
-            exportedAt = LocalDateTime.now().toString(),
-            gyms = allGyms,
-            problems = allProblems,
-            sessions = allSessions,
-            attempts = allAttempts
-        )
-        
-        // Collect all referenced image paths
-        val referencedImagePaths = allProblems.flatMap { it.imagePaths }.toSet()
-        
-        return ZipExportImportUtils.createExportZip(
-            context = context,
-            exportData = exportData,
-            referencedImagePaths = referencedImagePaths,
-            directory = directory
-        )
+        try {
+            // Collect all data with proper error handling
+            val allGyms = gymDao.getAllGyms().first()
+            val allProblems = problemDao.getAllProblems().first()
+            val allSessions = sessionDao.getAllSessions().first()
+            val allAttempts = attemptDao.getAllAttempts().first()
+            
+            // Validate data integrity before export
+            validateDataIntegrity(allGyms, allProblems, allSessions, allAttempts)
+            
+            val exportData = ClimbDataExport(
+                exportedAt = LocalDateTime.now().toString(),
+                version = "1.0",
+                gyms = allGyms,
+                problems = allProblems,
+                sessions = allSessions,
+                attempts = allAttempts
+            )
+            
+            // Collect all referenced image paths and validate they exist
+            val referencedImagePaths = allProblems.flatMap { it.imagePaths }.toSet()
+            val validImagePaths = referencedImagePaths.filter { imagePath ->
+                try {
+                    val imageFile = com.atridad.openclimb.utils.ImageUtils.getImageFile(context, imagePath)
+                    imageFile.exists() && imageFile.length() > 0
+                } catch (e: Exception) {
+                    false
+                }
+            }.toSet()
+            
+            // Log any missing images for debugging
+            val missingImages = referencedImagePaths - validImagePaths
+            if (missingImages.isNotEmpty()) {
+                android.util.Log.w("ClimbRepository", "Some referenced images are missing: $missingImages")
+            }
+            
+            return ZipExportImportUtils.createExportZip(
+                context = context,
+                exportData = exportData,
+                referencedImagePaths = validImagePaths,
+                directory = directory
+            )
+        } catch (e: Exception) {
+            throw Exception("Export failed: ${e.message}")
+        }
     }
     
     suspend fun exportAllDataToZipUri(context: Context, uri: android.net.Uri) {
-        val gyms = gymDao.getAllGyms().first()
-        val problems = problemDao.getAllProblems().first()
-        val sessions = sessionDao.getAllSessions().first()
-        val attempts = attemptDao.getAllAttempts().first()
-        
-        val exportData = ClimbDataExport(
-            exportedAt = LocalDateTime.now().toString(),
-            gyms = gyms,
-            problems = problems,
-            sessions = sessions,
-            attempts = attempts
-        )
-        
-        // Collect all referenced image paths
-        val referencedImagePaths = problems.flatMap { it.imagePaths }.toSet()
-        
-        ZipExportImportUtils.createExportZipToUri(
-            context = context,
-            uri = uri,
-            exportData = exportData,
-            referencedImagePaths = referencedImagePaths
-        )
+        try {
+            // Collect all data with proper error handling
+            val allGyms = gymDao.getAllGyms().first()
+            val allProblems = problemDao.getAllProblems().first()
+            val allSessions = sessionDao.getAllSessions().first()
+            val allAttempts = attemptDao.getAllAttempts().first()
+            
+            // Validate data integrity before export
+            validateDataIntegrity(allGyms, allProblems, allSessions, allAttempts)
+            
+            val exportData = ClimbDataExport(
+                exportedAt = LocalDateTime.now().toString(),
+                version = "1.0",
+                gyms = allGyms,
+                problems = allProblems,
+                sessions = allSessions,
+                attempts = allAttempts
+            )
+            
+            // Collect all referenced image paths and validate they exist
+            val referencedImagePaths = allProblems.flatMap { it.imagePaths }.toSet()
+            val validImagePaths = referencedImagePaths.filter { imagePath ->
+                try {
+                    val imageFile = com.atridad.openclimb.utils.ImageUtils.getImageFile(context, imagePath)
+                    imageFile.exists() && imageFile.length() > 0
+                } catch (e: Exception) {
+                    false
+                }
+            }.toSet()
+            
+            ZipExportImportUtils.createExportZipToUri(
+                context = context,
+                uri = uri,
+                exportData = exportData,
+                referencedImagePaths = validImagePaths
+            )
+        } catch (e: Exception) {
+            throw Exception("Export failed: ${e.message}")
+        }
     }
     
     suspend fun importDataFromZip(file: File) {
         try {
-            val importResult = ZipExportImportUtils.extractImportZip(context, file)
-            val importData = json.decodeFromString<ClimbDataExport>(importResult.jsonContent)
+            // Validate the ZIP file
+            if (!file.exists() || file.length() == 0L) {
+                throw Exception("Invalid ZIP file: file is empty or doesn't exist")
+            }
             
-            // Update problem image paths with the new imported paths
+            // Extract and validate the ZIP contents
+            val importResult = ZipExportImportUtils.extractImportZip(context, file)
+            
+            // Validate JSON content
+            if (importResult.jsonContent.isBlank()) {
+                throw Exception("Invalid ZIP file: no data.json found or empty content")
+            }
+            
+            // Parse and validate the data structure
+            val importData = try {
+                json.decodeFromString<ClimbDataExport>(importResult.jsonContent)
+            } catch (e: Exception) {
+                throw Exception("Invalid data format: ${e.message}")
+            }
+            
+            // Validate data integrity
+            validateImportData(importData)
+            
+            // Clear existing data to avoid conflicts
+            attemptDao.deleteAllAttempts()
+            sessionDao.deleteAllSessions()
+            problemDao.deleteAllProblems()
+            gymDao.deleteAllGyms()
+            
+            // Import gyms first (problems depend on gyms)
+            importData.gyms.forEach { gym ->
+                try {
+                    gymDao.insertGym(gym)
+                } catch (e: Exception) {
+                    throw Exception("Failed to import gym ${gym.name}: ${e.message}")
+                }
+            }
+            
+            // Import problems with updated image paths
             val updatedProblems = ZipExportImportUtils.updateProblemImagePaths(
                 importData.problems,
                 importResult.importedImagePaths
             )
             
-            // Import gyms (replace if exists due to primary key constraint)
-            importData.gyms.forEach { gym ->
-                try {
-                    gymDao.insertGym(gym)
-                } catch (e: Exception) {
-                    // If insertion fails due to primary key conflict, update instead
-                    gymDao.updateGym(gym)
-                }
-            }
-            
-            // Import problems with updated image paths
             updatedProblems.forEach { problem ->
                 try {
                     problemDao.insertProblem(problem)
                 } catch (e: Exception) {
-                    problemDao.updateProblem(problem)
+                    throw Exception("Failed to import problem ${problem.name}: ${e.message}")
                 }
             }
             
@@ -252,21 +214,100 @@ class ClimbRepository(
                 try {
                     sessionDao.insertSession(session)
                 } catch (e: Exception) {
-                    sessionDao.updateSession(session)
+                    throw Exception("Failed to import session: ${e.message}")
                 }
             }
             
-            // Import attempts
+            // Import attempts last (depends on problems and sessions)
             importData.attempts.forEach { attempt ->
                 try {
                     attemptDao.insertAttempt(attempt)
                 } catch (e: Exception) {
-                    attemptDao.updateAttempt(attempt)
+                    throw Exception("Failed to import attempt: ${e.message}")
                 }
             }
             
         } catch (e: Exception) {
-            throw Exception("Failed to import data: ${e.message}")
+            throw Exception("Import failed: ${e.message}")
+        }
+    }
+    
+    private fun validateDataIntegrity(
+        gyms: List<Gym>,
+        problems: List<Problem>,
+        sessions: List<ClimbSession>,
+        attempts: List<Attempt>
+    ) {
+        // Validate that all problems reference valid gyms
+        val gymIds = gyms.map { it.id }.toSet()
+        val invalidProblems = problems.filter { it.gymId !in gymIds }
+        if (invalidProblems.isNotEmpty()) {
+            throw Exception("Data integrity error: ${invalidProblems.size} problems reference non-existent gyms")
+        }
+        
+        // Validate that all sessions reference valid gyms
+        val invalidSessions = sessions.filter { it.gymId !in gymIds }
+        if (invalidSessions.isNotEmpty()) {
+            throw Exception("Data integrity error: ${invalidSessions.size} sessions reference non-existent gyms")
+        }
+        
+        // Validate that all attempts reference valid problems and sessions
+        val problemIds = problems.map { it.id }.toSet()
+        val sessionIds = sessions.map { it.id }.toSet()
+        
+        val invalidAttempts = attempts.filter { 
+            it.problemId !in problemIds || it.sessionId !in sessionIds 
+        }
+        if (invalidAttempts.isNotEmpty()) {
+            throw Exception("Data integrity error: ${invalidAttempts.size} attempts reference non-existent problems or sessions")
+        }
+    }
+    
+    private fun validateImportData(importData: ClimbDataExport) {
+        if (importData.gyms.isEmpty()) {
+            throw Exception("Import data is invalid: no gyms found")
+        }
+        
+        if (importData.version.isBlank()) {
+            throw Exception("Import data is invalid: no version information")
+        }
+        
+        // Check for reasonable data sizes to prevent malicious imports
+        if (importData.gyms.size > 1000 || 
+            importData.problems.size > 10000 || 
+            importData.sessions.size > 10000 || 
+            importData.attempts.size > 100000) {
+            throw Exception("Import data is too large: possible corruption or malicious file")
+        }
+    }
+    
+    suspend fun resetAllData() {
+        try {
+            // Clear all data from database
+            attemptDao.deleteAllAttempts()
+            sessionDao.deleteAllSessions()
+            problemDao.deleteAllProblems()
+            gymDao.deleteAllGyms()
+            
+            // Clear all images from storage
+            clearAllImages()
+            
+        } catch (e: Exception) {
+            throw Exception("Reset failed: ${e.message}")
+        }
+    }
+    
+    private fun clearAllImages() {
+        try {
+            // Get the images directory
+            val imagesDir = File(context.filesDir, "images")
+            if (imagesDir.exists() && imagesDir.isDirectory) {
+                val deletedCount = imagesDir.listFiles()?.size ?: 0
+                imagesDir.deleteRecursively()
+                android.util.Log.i("ClimbRepository", "Cleared $deletedCount image files")
+            }
+        } catch (e: Exception) {
+            android.util.Log.w("ClimbRepository", "Failed to clear some images: ${e.message}")
         }
     }
 }
@@ -274,6 +315,7 @@ class ClimbRepository(
 @kotlinx.serialization.Serializable
 data class ClimbDataExport(
     val exportedAt: String,
+    val version: String = "1.0",
     val gyms: List<Gym>,
     val problems: List<Problem>,
     val sessions: List<ClimbSession>,

app/src/main/java/com/atridad/openclimb/service/SessionTrackingService.kt

@@ -6,7 +6,6 @@ import android.app.PendingIntent
 import android.app.Service
 import android.content.Context
 import android.content.Intent
-import android.os.Build
 import android.os.IBinder
 import androidx.core.app.NotificationCompat
 import com.atridad.openclimb.MainActivity
@@ -16,15 +15,17 @@ import com.atridad.openclimb.data.repository.ClimbRepository
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.firstOrNull
 import java.time.LocalDateTime
-import java.time.format.DateTimeFormatter
 import java.time.temporal.ChronoUnit
+import kotlinx.coroutines.runBlocking
 
 class SessionTrackingService : Service() {
     
     private val serviceScope = CoroutineScope(Dispatchers.IO + SupervisorJob())
     private var notificationJob: Job? = null
+    private var monitoringJob: Job? = null
     
     private lateinit var repository: ClimbRepository
+    private lateinit var notificationManager: NotificationManager
     
     companion object {
         const val NOTIFICATION_ID = 1001
@@ -40,9 +41,10 @@ class SessionTrackingService : Service() {
             }
         }
         
-        fun createStopIntent(context: Context): Intent {
+        fun createStopIntent(context: Context, sessionId: String): Intent {
             return Intent(context, SessionTrackingService::class.java).apply {
                 action = ACTION_STOP_SESSION
+                putExtra(EXTRA_SESSION_ID, sessionId)
             }
         }
     }
@@ -52,6 +54,7 @@ class SessionTrackingService : Service() {
         
         val database = OpenClimbDatabase.getDatabase(this)
         repository = ClimbRepository(database, this)
+        notificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager
         
         createNotificationChannel()
     }
@@ -65,87 +68,185 @@ class SessionTrackingService : Service() {
                 }
             }
             ACTION_STOP_SESSION -> {
-                stopSessionTracking()
+                val sessionId = intent.getStringExtra(EXTRA_SESSION_ID)
+                serviceScope.launch {
+                    try {
+                        val targetSession = when {
+                            sessionId != null -> repository.getSessionById(sessionId)
+                            else -> repository.getActiveSession()
+                        }
+                        if (targetSession != null && targetSession.status == com.atridad.openclimb.data.model.SessionStatus.ACTIVE) {
+                            val completed = with(com.atridad.openclimb.data.model.ClimbSession) { targetSession.complete() }
+                            repository.updateSession(completed)
+                        }
+                    } finally {
+                        stopSessionTracking()
+                    }
+                }
             }
         }
-        return START_STICKY
+
+        return START_REDELIVER_INTENT
+    }
+    
+    override fun onTaskRemoved(rootIntent: Intent?) {
+        super.onTaskRemoved(rootIntent)
     }
     
     override fun onBind(intent: Intent?): IBinder? = null
     
     private fun startSessionTracking(sessionId: String) {
         notificationJob?.cancel()
+        monitoringJob?.cancel()
+        
+        try {
+            createAndShowNotification(sessionId)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+        
         notificationJob = serviceScope.launch {
-            while (isActive) {
-                updateNotification(sessionId)
-                delay(1000)
+            try {
+                if (!isNotificationActive()) {
+                    delay(1000L)
+                    createAndShowNotification(sessionId)
+                }
+                
+                while (isActive) {
+                    delay(5000L)
+                    updateNotification(sessionId)
+                }
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
+        }
+        
+        monitoringJob = serviceScope.launch {
+            try {
+                while (isActive) {
+                    delay(10000L)
+                    
+                    if (!isNotificationActive()) {
+                        updateNotification(sessionId)
+                    }
+                    
+                    val session = repository.getSessionById(sessionId)
+                    if (session == null || session.status != com.atridad.openclimb.data.model.SessionStatus.ACTIVE) {
+                        stopSessionTracking()
+                        break
+                    }
+                }
+            } catch (e: Exception) {
+                e.printStackTrace()
             }
         }
     }
     
     private fun stopSessionTracking() {
         notificationJob?.cancel()
+        monitoringJob?.cancel()
         stopForeground(STOP_FOREGROUND_REMOVE)
         stopSelf()
     }
     
+    private fun isNotificationActive(): Boolean {
+        return try {
+            val activeNotifications = notificationManager.activeNotifications
+            activeNotifications.any { it.id == NOTIFICATION_ID }
+        } catch (e: Exception) {
+            false
+        }
+    }
+    
     private suspend fun updateNotification(sessionId: String) {
         try {
-            val session = repository.getSessionById(sessionId)
+            createAndShowNotification(sessionId)
+        } catch (e: Exception) {
+            e.printStackTrace()
+
+            try {
+                delay(10000L)
+                createAndShowNotification(sessionId)
+            } catch (retryException: Exception) {
+                retryException.printStackTrace()
+                stopSessionTracking()
+            }
+        }
+    }
+    
+    private fun createAndShowNotification(sessionId: String) {
+        try {
+            val session = runBlocking {
+                repository.getSessionById(sessionId)
+            }
             if (session == null || session.status != com.atridad.openclimb.data.model.SessionStatus.ACTIVE) {
                 stopSessionTracking()
                 return
             }
             
-            val gym = repository.getGymById(session.gymId)
-            val attempts = repository.getAttemptsBySession(sessionId).firstOrNull() ?: emptyList()
+            val gym = runBlocking {
+                repository.getGymById(session.gymId)
+            }
+            
+            val attempts = runBlocking {
+                repository.getAttemptsBySession(sessionId).firstOrNull() ?: emptyList()
+            }
             
             val duration = session.startTime?.let { startTime ->
                 try {
                     val start = LocalDateTime.parse(startTime)
                     val now = LocalDateTime.now()
-                    val minutes = ChronoUnit.MINUTES.between(start, now)
-                    val hours = minutes / 60
-                    val remainingMinutes = minutes % 60
+                    val totalSeconds = ChronoUnit.SECONDS.between(start, now)
+                    val hours = totalSeconds / 3600
+                    val minutes = (totalSeconds % 3600) / 60
+                    val seconds = totalSeconds % 60
                     
                     when {
-                        hours > 0 -> "${hours}h ${remainingMinutes}m"
-                        remainingMinutes > 0 -> "${remainingMinutes}m"
-                        else -> "< 1m"
+                        hours > 0 -> "${hours}h ${minutes}m ${seconds}s"
+                        minutes > 0 -> "${minutes}m ${seconds}s"
+                        else -> "${totalSeconds}s"
                     }
-                } catch (e: Exception) {
+                } catch (_: Exception) {
                     "Active"
                 }
             } ?: "Active"
             
             val notification = NotificationCompat.Builder(this, CHANNEL_ID)
-                .setContentTitle("OpenClimb Session Active")
+                .setContentTitle("Climbing Session Active")
                 .setContentText("${gym?.name ?: "Gym"} • $duration • ${attempts.size} attempts")
-                .setSmallIcon(R.drawable.ic_launcher_foreground)
+                .setSmallIcon(R.drawable.ic_mountains)
                 .setOngoing(true)
+                .setAutoCancel(false)
+                .setPriority(NotificationCompat.PRIORITY_DEFAULT)
+                .setCategory(NotificationCompat.CATEGORY_SERVICE)
+                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
                 .setContentIntent(createOpenAppIntent())
                 .addAction(
-                    R.drawable.ic_launcher_foreground,
+                    R.drawable.ic_mountains,
                     "Open Session",
                     createOpenAppIntent()
                 )
                 .addAction(
-                    R.drawable.ic_launcher_foreground,
+                    android.R.drawable.ic_menu_close_clear_cancel,
                     "End Session",
-                    createStopIntent()
+                    createStopPendingIntent(sessionId)
                 )
                 .build()
             
             startForeground(NOTIFICATION_ID, notification)
+            
+            notificationManager.notify(NOTIFICATION_ID, notification)
+            
         } catch (e: Exception) {
-            // Handle errors gracefully
-            stopSessionTracking()
+            e.printStackTrace()
+            throw e
         }
     }
     
     private fun createOpenAppIntent(): PendingIntent {
         val intent = Intent(this, MainActivity::class.java).apply {
             flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TOP
+            action = "OPEN_SESSION"
         }
         return PendingIntent.getActivity(
             this,
@@ -155,8 +256,8 @@ class SessionTrackingService : Service() {
         )
     }
     
-    private fun createStopIntent(): PendingIntent {
-        val intent = createStopIntent(this)
+    private fun createStopPendingIntent(sessionId: String): PendingIntent {
+        val intent = createStopIntent(this, sessionId)
         return PendingIntent.getService(
             this,
             1,
@@ -166,24 +267,26 @@ class SessionTrackingService : Service() {
     }
     
     private fun createNotificationChannel() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            val channel = NotificationChannel(
-                CHANNEL_ID,
-                "Session Tracking",
-                NotificationManager.IMPORTANCE_LOW
-            ).apply {
-                description = "Shows active climbing session information"
-                setShowBadge(false)
-            }
-            
-            val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
-            notificationManager.createNotificationChannel(channel)
+        val channel = NotificationChannel(
+            CHANNEL_ID,
+            "Session Tracking",
+            NotificationManager.IMPORTANCE_DEFAULT
+        ).apply {
+            description = "Shows active climbing session information"
+            setShowBadge(false)
+            lockscreenVisibility = NotificationCompat.VISIBILITY_PUBLIC
+            enableLights(false)
+            enableVibration(false)
+            setSound(null, null)
         }
+
+        notificationManager.createNotificationChannel(channel)
     }
     
     override fun onDestroy() {
         super.onDestroy()
         notificationJob?.cancel()
+        monitoringJob?.cancel()
         serviceScope.cancel()
     }
 }

app/src/main/java/com/atridad/openclimb/ui/OpenClimbApp.kt

@@ -1,8 +1,13 @@
 package com.atridad.openclimb.ui
 
+import android.Manifest
+import android.content.pm.PackageManager
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.PlayArrow
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
@@ -18,17 +23,18 @@ import com.atridad.openclimb.data.database.OpenClimbDatabase
 import com.atridad.openclimb.data.repository.ClimbRepository
 import com.atridad.openclimb.navigation.Screen
 import com.atridad.openclimb.navigation.bottomNavigationItems
+import com.atridad.openclimb.ui.components.NotificationPermissionDialog
 import com.atridad.openclimb.ui.screens.*
+import com.atridad.openclimb.ui.theme.OpenClimbTheme
 import com.atridad.openclimb.ui.viewmodel.ClimbViewModel
 import com.atridad.openclimb.ui.viewmodel.ClimbViewModelFactory
+import com.atridad.openclimb.utils.NotificationPermissionUtils
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun OpenClimbApp() {
     val navController = rememberNavController()
     val context = LocalContext.current
-    val currentBackStackEntry by navController.currentBackStackEntryAsState()
-    val currentDestination = currentBackStackEntry?.destination?.route
     
     val database = remember { OpenClimbDatabase.getDatabase(context) }
     val repository = remember { ClimbRepository(database, context) }
@@ -36,6 +42,40 @@ fun OpenClimbApp() {
         factory = ClimbViewModelFactory(repository)
     )
     
+    // Notification permission state
+    var showNotificationPermissionDialog by remember { mutableStateOf(false) }
+    var hasCheckedNotificationPermission by remember { mutableStateOf(false) }
+    
+    // Permission launcher
+    val permissionLauncher = rememberLauncherForActivityResult(
+        contract = ActivityResultContracts.RequestPermission()
+    ) { isGranted: Boolean ->
+        // Handle permission result
+        if (isGranted) {
+            // Permission granted, continue
+        } else {
+            // Permission denied, show dialog again later
+            showNotificationPermissionDialog = false
+        }
+    }
+    
+    // Check notification permission on first launch
+    LaunchedEffect(Unit) {
+        if (!hasCheckedNotificationPermission) {
+            hasCheckedNotificationPermission = true
+            
+            if (NotificationPermissionUtils.shouldRequestNotificationPermission() &&
+                !NotificationPermissionUtils.isNotificationPermissionGranted(context)) {
+                showNotificationPermissionDialog = true
+            }
+        }
+    }
+    
+    // Ensure session tracking service is running when app resumes
+    LaunchedEffect(Unit) {
+        viewModel.ensureSessionTrackingServiceRunning(context)
+    }
+    
     // FAB configuration
     var fabConfig by remember { mutableStateOf<FabConfig?>(null) }
 
@@ -69,13 +109,19 @@ fun OpenClimbApp() {
                 LaunchedEffect(gyms, activeSession) {
                     fabConfig = if (gyms.isNotEmpty() && activeSession == null) {
                         FabConfig(
-                            icon = Icons.Default.Add,
+                            icon = Icons.Default.PlayArrow,
                             contentDescription = "Start Session",
                             onClick = { 
-                                if (gyms.size == 1) {
-                                    viewModel.startSession(context, gyms.first().id)
+                                // Check notification permission before starting session
+                                if (NotificationPermissionUtils.shouldRequestNotificationPermission() &&
+                                    !NotificationPermissionUtils.isNotificationPermissionGranted(context)) {
+                                    showNotificationPermissionDialog = true
                                 } else {
-                                    navController.navigate(Screen.AddEditSession())
+                                    if (gyms.size == 1) {
+                                        viewModel.startSession(context, gyms.first().id)
+                                    } else {
+                                        navController.navigate(Screen.AddEditSession())
+                                    }
                                 }
                             }
                         )
@@ -87,9 +133,6 @@ fun OpenClimbApp() {
                     viewModel = viewModel,
                     onNavigateToSessionDetail = { sessionId ->
                         navController.navigate(Screen.SessionDetail(sessionId))
-                    },
-                    onNavigateToAddSession = { gymId ->
-                        navController.navigate(Screen.AddEditSession(gymId = gymId))
                     }
                 )
             }
@@ -113,9 +156,6 @@ fun OpenClimbApp() {
                     viewModel = viewModel,
                     onNavigateToProblemDetail = { problemId ->
                         navController.navigate(Screen.ProblemDetail(problemId))
-                    },
-                    onNavigateToAddProblem = { gymId ->
-                        navController.navigate(Screen.AddEditProblem(gymId = gymId))
                     }
                 )
             }
@@ -141,9 +181,6 @@ fun OpenClimbApp() {
                     viewModel = viewModel,
                     onNavigateToGymDetail = { gymId ->
                         navController.navigate(Screen.GymDetail(gymId))
-                    },
-                    onNavigateToAddGym = {
-                        navController.navigate(Screen.AddEditGym())
                     }
                 )
             }
@@ -158,18 +195,20 @@ fun OpenClimbApp() {
             // Detail screens
             composable<Screen.SessionDetail> { backStackEntry ->
                 val args = backStackEntry.toRoute<Screen.SessionDetail>()
+                LaunchedEffect(Unit) { fabConfig = null }
                 SessionDetailScreen(
                     sessionId = args.sessionId,
                     viewModel = viewModel,
                     onNavigateBack = { navController.popBackStack() },
-                    onNavigateToEdit = { sessionId ->
-                        navController.navigate(Screen.AddEditSession(sessionId = sessionId))
+                    onNavigateToProblemDetail = { problemId ->
+                        navController.navigate(Screen.ProblemDetail(problemId))
                     }
                 )
             }
             
             composable<Screen.ProblemDetail> { backStackEntry ->
                 val args = backStackEntry.toRoute<Screen.ProblemDetail>()
+                LaunchedEffect(Unit) { fabConfig = null }
                 ProblemDetailScreen(
                     problemId = args.problemId,
                     viewModel = viewModel,
@@ -182,12 +221,19 @@ fun OpenClimbApp() {
             
             composable<Screen.GymDetail> { backStackEntry ->
                 val args = backStackEntry.toRoute<Screen.GymDetail>()
+                LaunchedEffect(Unit) { fabConfig = null }
                 GymDetailScreen(
                     gymId = args.gymId,
                     viewModel = viewModel,
                     onNavigateBack = { navController.popBackStack() },
                     onNavigateToEdit = { gymId ->
                         navController.navigate(Screen.AddEditGym(gymId = gymId))
+                    },
+                    onNavigateToSessionDetail = { sessionId ->
+                        navController.navigate(Screen.SessionDetail(sessionId))
+                    },
+                    onNavigateToProblemDetail = { problemId ->
+                        navController.navigate(Screen.ProblemDetail(problemId))
                     }
                 )
             }
@@ -195,6 +241,7 @@ fun OpenClimbApp() {
 
             composable<Screen.AddEditGym> { backStackEntry ->
                 val args = backStackEntry.toRoute<Screen.AddEditGym>()
+                LaunchedEffect(Unit) { fabConfig = null }
                 AddEditGymScreen(
                     gymId = args.gymId,
                     viewModel = viewModel,
@@ -204,6 +251,7 @@ fun OpenClimbApp() {
             
             composable<Screen.AddEditProblem> { backStackEntry ->
                 val args = backStackEntry.toRoute<Screen.AddEditProblem>()
+                LaunchedEffect(Unit) { fabConfig = null }
                 AddEditProblemScreen(
                     problemId = args.problemId,
                     gymId = args.gymId,
@@ -214,6 +262,7 @@ fun OpenClimbApp() {
             
             composable<Screen.AddEditSession> { backStackEntry ->
                 val args = backStackEntry.toRoute<Screen.AddEditSession>()
+                LaunchedEffect(Unit) { fabConfig = null }
                 AddEditSessionScreen(
                     sessionId = args.sessionId,
                     gymId = args.gymId,
@@ -222,6 +271,16 @@ fun OpenClimbApp() {
                 )
             }
         }
+        
+        // Notification permission dialog
+        if (showNotificationPermissionDialog) {
+            NotificationPermissionDialog(
+                onDismiss = { showNotificationPermissionDialog = false },
+                onRequestPermission = {
+                    permissionLauncher.launch(NotificationPermissionUtils.getNotificationPermissionString())
+                }
+            )
+        }
     }
 }
 
@@ -247,17 +306,15 @@ fun OpenClimbBottomNavigation(navController: NavHostController) {
                 selected = isSelected,
                 onClick = {
                     navController.navigate(item.screen) {
-                        // Pop up to the start destination of the graph to
-                        // avoid building up a large stack of destinations
-                        // on the back stack as users select items
-                        popUpTo(Screen.Sessions) {
-                            saveState = true
+                        // Clear the entire back stack and go to the selected tab's root screen
+                        popUpTo(0) {
+                            inclusive = true
                         }
                         // Avoid multiple copies of the same destination when
                         // reselecting the same item
                         launchSingleTop = true
-                        // Restore state when reselecting a previously selected item
-                        restoreState = true
+                        // Don't restore state - always start fresh when switching tabs
+                        restoreState = false
                     }
                 }
             )

app/src/main/java/com/atridad/openclimb/ui/components/ActiveSessionBanner.kt

@@ -3,18 +3,17 @@ package com.atridad.openclimb.ui.components
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Close
 import androidx.compose.material.icons.filled.PlayArrow
-import androidx.compose.material.icons.rounded.Close
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import com.atridad.openclimb.data.model.ClimbSession
 import com.atridad.openclimb.data.model.Gym
+import com.atridad.openclimb.ui.theme.CustomIcons
+import kotlinx.coroutines.delay
 import java.time.LocalDateTime
 import java.time.temporal.ChronoUnit
 
@@ -26,6 +25,16 @@ fun ActiveSessionBanner(
     onEndSession: () -> Unit
 ) {    
     if (activeSession != null) {
+        // Add a timer that updates every second for real-time duration counting
+        var currentTime by remember { mutableStateOf(LocalDateTime.now()) }
+        
+        LaunchedEffect(Unit) {
+            while (true) {
+                delay(1000) // Update every second
+                currentTime = LocalDateTime.now()
+            }
+        }
+        
         Card(
             modifier = Modifier
                 .fillMaxWidth()
@@ -69,7 +78,7 @@ fun ActiveSessionBanner(
                     )
                     
                     activeSession.startTime?.let { startTime ->
-                        val duration = calculateDuration(startTime)
+                        val duration = calculateDuration(startTime, currentTime)
                         Text(
                             text = duration,
                             style = MaterialTheme.typography.bodySmall,
@@ -86,7 +95,7 @@ fun ActiveSessionBanner(
                     )
                 ) {
                     Icon(
-                        Icons.Default.Close,
+                        imageVector = CustomIcons.Stop(MaterialTheme.colorScheme.onError),
                         contentDescription = "End session"
                     )
                 }
@@ -95,94 +104,20 @@ fun ActiveSessionBanner(
     }
 }
 
-@Composable
-fun StartSessionButton(
-    gyms: List<Gym>,
-    onStartSession: (String) -> Unit
-) {
-    var showGymSelection by remember { mutableStateOf(false) }
-    
-    if (gyms.isEmpty()) {
-        Card(
-            modifier = Modifier.fillMaxWidth(),
-            colors = CardDefaults.cardColors(
-                containerColor = MaterialTheme.colorScheme.surfaceVariant
-            )
-        ) {
-            Column(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(16.dp),
-                horizontalAlignment = Alignment.CenterHorizontally
-            ) {
-                Text(
-                    text = "No gyms available",
-                    style = MaterialTheme.typography.titleMedium,
-                    color = MaterialTheme.colorScheme.onSurfaceVariant
-                )
-                Text(
-                    text = "Add a gym first to start a session",
-                    style = MaterialTheme.typography.bodyMedium,
-                    color = MaterialTheme.colorScheme.onSurfaceVariant
-                )
-            }
-        }
-    } else {
-        Button(
-            onClick = { showGymSelection = true },
-            modifier = Modifier.fillMaxWidth()
-        ) {
-            Icon(Icons.Default.PlayArrow, contentDescription = null)
-            Spacer(modifier = Modifier.width(8.dp))
-            Text("Start Session")
-        }
-    }
-    
-    if (showGymSelection) {
-        AlertDialog(
-            onDismissRequest = { showGymSelection = false },
-            title = { Text("Select Gym") },
-            text = {
-                Column {
-                    gyms.forEach { gym ->
-                        TextButton(
-                            onClick = {
-                                onStartSession(gym.id)
-                                showGymSelection = false
-                            },
-                            modifier = Modifier.fillMaxWidth()
-                        ) {
-                            Text(
-                                text = gym.name,
-                                modifier = Modifier.fillMaxWidth()
-                            )
-                        }
-                    }
-                }
-            },
-            confirmButton = {
-                TextButton(onClick = { showGymSelection = false }) {
-                    Text("Cancel")
-                }
-            }
-        )
-    }
-}
-
-private fun calculateDuration(startTimeString: String): String {
+private fun calculateDuration(startTimeString: String, currentTime: LocalDateTime): String {
     return try {
         val startTime = LocalDateTime.parse(startTimeString)
-        val now = LocalDateTime.now()
-        val minutes = ChronoUnit.MINUTES.between(startTime, now)
-        val hours = minutes / 60
-        val remainingMinutes = minutes % 60
+        val totalSeconds = ChronoUnit.SECONDS.between(startTime, currentTime)
+        val hours = totalSeconds / 3600
+        val minutes = (totalSeconds % 3600) / 60
+        val seconds = totalSeconds % 60
         
         when {
-            hours > 0 -> "${hours}h ${remainingMinutes}m"
-            remainingMinutes > 0 -> "${remainingMinutes}m"
-            else -> "< 1m"
+            hours > 0 -> "${hours}h ${minutes}m ${seconds}s"
+            minutes > 0 -> "${minutes}m ${seconds}s"
+            else -> "${totalSeconds}s"
         }
-    } catch (e: Exception) {
+    } catch (_: Exception) {
         "Active"
     }
 }

app/src/main/java/com/atridad/openclimb/ui/components/FullscreenImageViewer.kt

@@ -50,7 +50,7 @@ fun FullscreenImageViewer(
     LaunchedEffect(pagerState.currentPage) {
         thumbnailListState.animateScrollToItem(
             index = pagerState.currentPage,
-            scrollOffset = -200 // Center the item
+            scrollOffset = -200
         )
     }
     

app/src/main/java/com/atridad/openclimb/ui/components/ImageDisplay.kt

@@ -7,7 +7,6 @@ import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.layout.ContentScale

app/src/main/java/com/atridad/openclimb/ui/components/ImagePicker.kt

@@ -1,6 +1,5 @@
 package com.atridad.openclimb.ui.components
 
-import android.net.Uri
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.layout.*
@@ -20,7 +19,6 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import coil.compose.AsyncImage
 import com.atridad.openclimb.utils.ImageUtils
-import java.io.File
 
 @Composable
 fun ImagePicker(
@@ -41,7 +39,7 @@ fun ImagePicker(
             val remainingSlots = maxImages - currentCount
             val urisToProcess = uris.take(remainingSlots)
             
-            // Process each selected image
+            // Process images
             val newImagePaths = mutableListOf<String>()
             urisToProcess.forEach { uri ->
                 val imagePath = ImageUtils.saveImageFromUri(context, uri)

app/src/main/java/com/atridad/openclimb/ui/components/LineChart.kt

@@ -0,0 +1,302 @@
+package com.atridad.openclimb.ui.components
+
+import androidx.compose.foundation.Canvas
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.graphics.*
+import androidx.compose.ui.graphics.drawscope.DrawScope
+import androidx.compose.ui.graphics.drawscope.Stroke
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.text.TextMeasurer
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.drawText
+import androidx.compose.ui.text.rememberTextMeasurer
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+
+/**
+ * Data point for the line chart
+ */
+data class ChartDataPoint(
+    val x: Float,
+    val y: Float,
+    val label: String? = null
+)
+
+/**
+ * Configuration for chart styling
+ */
+data class ChartStyle(
+    val lineColor: Color,
+    val fillColor: Color,
+    val lineWidth: Float = 3f,
+    val gridColor: Color,
+    val textColor: Color,
+    val backgroundColor: Color
+)
+
+/**
+ * Custom Line Chart with area fill below the line
+ */
+@Composable
+fun LineChart(
+    data: List<ChartDataPoint>,
+    modifier: Modifier = Modifier,
+    style: ChartStyle = ChartStyle(
+        lineColor = MaterialTheme.colorScheme.primary,
+        fillColor = MaterialTheme.colorScheme.primary.copy(alpha = 0.2f),
+        gridColor = MaterialTheme.colorScheme.outline.copy(alpha = 0.3f),
+        textColor = MaterialTheme.colorScheme.onSurfaceVariant,
+        backgroundColor = MaterialTheme.colorScheme.surface
+    ),
+    showGrid: Boolean = true,
+    xAxisFormatter: (Float) -> String = { it.toString() },
+    yAxisFormatter: (Float) -> String = { it.toString() }
+) {
+    val textMeasurer = rememberTextMeasurer()
+    val density = LocalDensity.current
+    
+    Box(modifier = modifier) {
+        Canvas(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(16.dp)
+        ) {
+            if (data.isEmpty()) return@Canvas
+            
+            val padding = with(density) { 32.dp.toPx() }
+            val chartWidth = size.width - padding * 2
+            val chartHeight = size.height - padding * 2
+            
+            // Calculate data bounds
+            val dataMinY = data.minOf { it.y }
+            val dataMaxY = data.maxOf { it.y }
+            
+            // Add some padding to Y-axis (10% above and below the data range)
+            val yPadding = if (dataMaxY == dataMinY) 1f else (dataMaxY - dataMinY) * 0.1f
+            val minY = dataMinY - yPadding
+            val maxY = dataMaxY + yPadding
+            
+            val minX = data.minOf { it.x }
+            val maxX = data.maxOf { it.x }
+            
+            val xRange = if (maxX - minX == 0f) 1f else maxX - minX // Minimum range of 1 for single points
+            val yRange = maxY - minY
+            
+            // Ensure we have valid ranges
+            if (yRange == 0f) return@Canvas
+            
+            // Convert data points to screen coordinates
+            val screenPoints = data.map { point ->
+                val x = padding + (point.x - minX) / xRange * chartWidth
+                val y = padding + chartHeight - (point.y - minY) / yRange * chartHeight
+                Offset(x, y)
+            }
+            
+            // Draw background
+            drawRect(
+                color = style.backgroundColor,
+                topLeft = Offset(padding, padding),
+                size = androidx.compose.ui.geometry.Size(chartWidth, chartHeight)
+            )
+            
+            // Draw grid
+            if (showGrid) {
+                drawGrid(
+                    padding = padding,
+                    chartWidth = chartWidth,
+                    chartHeight = chartHeight,
+                    gridColor = style.gridColor,
+                    minX = minX,
+                    maxX = maxX,
+                    minY = minY,
+                    maxY = maxY,
+                    textMeasurer = textMeasurer,
+                    textColor = style.textColor,
+                    xAxisFormatter = xAxisFormatter,
+                    yAxisFormatter = yAxisFormatter,
+                    actualDataPoints = data
+                )
+            }
+            
+            // Draw area fill
+            if (screenPoints.size > 1) {
+                drawAreaFill(
+                    points = screenPoints,
+                    padding = padding,
+                    chartHeight = chartHeight,
+                    fillColor = style.fillColor
+                )
+            }
+            
+            // Draw line
+            if (screenPoints.size > 1) {
+                drawLine(
+                    points = screenPoints,
+                    lineColor = style.lineColor,
+                    lineWidth = style.lineWidth
+                )
+            }
+            
+            // Draw data points - more pronounced
+            screenPoints.forEach { point ->
+                // Draw outer circle (larger)
+                drawCircle(
+                    color = style.lineColor,
+                    radius = 8f,
+                    center = point
+                )
+                // Draw inner circle (white center)
+                drawCircle(
+                    color = style.backgroundColor,
+                    radius = 5f,
+                    center = point
+                )
+                // Draw border for better visibility
+                drawCircle(
+                    color = style.lineColor,
+                    radius = 8f,
+                    center = point,
+                    style = Stroke(width = 2f)
+                )
+            }
+        }
+    }
+}
+
+private fun DrawScope.drawGrid(
+    padding: Float,
+    chartWidth: Float,
+    chartHeight: Float,
+    gridColor: Color,
+    minX: Float,
+    maxX: Float,
+    minY: Float,
+    maxY: Float,
+    textMeasurer: TextMeasurer,
+    textColor: Color,
+    xAxisFormatter: (Float) -> String,
+    yAxisFormatter: (Float) -> String,
+    actualDataPoints: List<ChartDataPoint>
+) {
+    val textStyle = TextStyle(
+        color = textColor,
+        fontSize = 10.sp
+    )
+    
+    // Draw vertical grid lines (X-axis) - only at integer values for sessions
+    val xRange = maxX - minX
+    if (xRange > 0) {
+        val startX = kotlin.math.ceil(minX).toInt()
+        val endX = kotlin.math.floor(maxX).toInt()
+        
+        for (sessionNum in startX..endX) {
+            val x = padding + (sessionNum.toFloat() - minX) / xRange * chartWidth
+            
+            // Draw grid line
+            drawLine(
+                color = gridColor,
+                start = Offset(x, padding),
+                end = Offset(x, padding + chartHeight),
+                strokeWidth = 1.dp.toPx()
+            )
+            
+            // X-axis labels removed per user request
+        }
+    }
+    
+    // Draw horizontal grid lines (Y-axis) - only at actual data point values
+    val yRange = maxY - minY
+    if (yRange > 0) {
+        // Get unique Y values from actual data points
+        val actualYValues = actualDataPoints.map { kotlin.math.round(it.y).toInt() }.toSet()
+        
+        actualYValues.forEach { gradeValue ->
+            val y = padding + chartHeight - (gradeValue.toFloat() - minY) / yRange * chartHeight
+            
+            // Only draw if within chart bounds
+            if (y >= padding && y <= padding + chartHeight) {
+                // Draw grid line
+                drawLine(
+                    color = gridColor,
+                    start = Offset(padding, y),
+                    end = Offset(padding + chartWidth, y),
+                    strokeWidth = 1.dp.toPx()
+                )
+                
+                // Draw label
+                val text = yAxisFormatter(gradeValue.toFloat())
+                val textSize = textMeasurer.measure(text, textStyle)
+                drawText(
+                    textMeasurer = textMeasurer,
+                    text = text,
+                    style = textStyle,
+                    topLeft = Offset(
+                        padding - textSize.size.width - 8.dp.toPx(),
+                        y - textSize.size.height / 2f
+                    )
+                )
+            }
+        }
+    }
+}
+
+private fun DrawScope.drawAreaFill(
+    points: List<Offset>,
+    padding: Float,
+    chartHeight: Float,
+    fillColor: Color
+) {
+    val bottomY = padding + chartHeight // This represents the bottom of the chart area
+    
+    val path = Path().apply {
+        // Start from bottom-left (at chart bottom level)
+        moveTo(points.first().x, bottomY)
+        
+        // Draw to first point
+        lineTo(points.first().x, points.first().y)
+        
+        // Draw line through all points
+        for (i in 1 until points.size) {
+            lineTo(points[i].x, points[i].y)
+        }
+        
+        // Close the path by going to bottom-right (at chart bottom level) and back to start
+        lineTo(points.last().x, bottomY)
+        lineTo(points.first().x, bottomY)
+        close()
+    }
+    
+    drawPath(
+        path = path,
+        color = fillColor
+    )
+}
+
+private fun DrawScope.drawLine(
+    points: List<Offset>,
+    lineColor: Color,
+    lineWidth: Float
+) {
+    val path = Path().apply {
+        moveTo(points.first().x, points.first().y)
+        for (i in 1 until points.size) {
+            lineTo(points[i].x, points[i].y)
+        }
+    }
+    
+    drawPath(
+        path = path,
+        color = lineColor,
+        style = Stroke(
+            width = lineWidth,
+            cap = StrokeCap.Round,
+            join = StrokeJoin.Round
+        )
+    )
+}

app/src/main/java/com/atridad/openclimb/ui/components/NotificationPermissionDialog.kt

@@ -0,0 +1,89 @@
+package com.atridad.openclimb.ui.components
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Notifications
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+
+@Composable
+fun NotificationPermissionDialog(
+    onDismiss: () -> Unit,
+    onRequestPermission: () -> Unit
+) {
+    Dialog(
+        onDismissRequest = onDismiss,
+        properties = DialogProperties(
+            dismissOnBackPress = false,
+            dismissOnClickOutside = false
+        )
+    ) {
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            shape = MaterialTheme.shapes.medium
+        ) {
+            Column(
+                modifier = Modifier.padding(24.dp),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Icon(
+                    imageVector = Icons.Default.Notifications,
+                    contentDescription = "Notifications",
+                    modifier = Modifier.size(48.dp),
+                    tint = MaterialTheme.colorScheme.primary
+                )
+                
+                Spacer(modifier = Modifier.height(16.dp))
+                
+                Text(
+                    text = "Enable Notifications",
+                    style = MaterialTheme.typography.headlineSmall,
+                    fontWeight = MaterialTheme.typography.headlineSmall.fontWeight,
+                    textAlign = TextAlign.Center
+                )
+                
+                Spacer(modifier = Modifier.height(12.dp))
+                
+                Text(
+                    text = "OpenClimb needs notification permission to show your active climbing session. This helps you track your progress and ensures the session doesn't get interrupted.",
+                    style = MaterialTheme.typography.bodyMedium,
+                    textAlign = TextAlign.Center,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+                
+                Spacer(modifier = Modifier.height(24.dp))
+                
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.spacedBy(12.dp)
+                ) {
+                    TextButton(
+                        onClick = onDismiss,
+                        modifier = Modifier.weight(1f)
+                    ) {
+                        Text("Not Now")
+                    }
+                    
+                    Button(
+                        onClick = {
+                            onRequestPermission()
+                            onDismiss()
+                        },
+                        modifier = Modifier.weight(1f)
+                    ) {
+                        Text("Enable")
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/atridad/openclimb/ui/screens/AddEditScreens.kt

@@ -5,10 +5,9 @@ import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.LazyRow
 import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.selection.selectable
-import androidx.compose.foundation.selection.selectableGroup
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.*
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
@@ -17,21 +16,13 @@ import androidx.compose.ui.semantics.Role
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.unit.dp
-import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.platform.LocalContext
 import com.atridad.openclimb.data.model.*
 import com.atridad.openclimb.ui.components.ImagePicker
 import com.atridad.openclimb.ui.viewmodel.ClimbViewModel
 import kotlinx.coroutines.flow.first
 import java.time.LocalDateTime
 
-// Data class for attempt input
-data class AttemptInput(
-    val problemId: String,
-    val result: AttemptResult,
-    val highestHold: String = "",
-    val notes: String = ""
-)
-
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun AddEditGymScreen(
@@ -47,32 +38,56 @@ fun AddEditGymScreen(
     
     val isEditing = gymId != null
     
+    // Calculate available difficulty systems based on selected climb types
+    val availableDifficultySystems = if (selectedClimbTypes.isEmpty()) {
+        emptyList()
+    } else {
+        selectedClimbTypes.flatMap { climbType ->
+            DifficultySystem.getSystemsForClimbType(climbType)
+        }.distinct()
+    }
+    
+    // Reset selected difficulty systems when available systems change
+    LaunchedEffect(availableDifficultySystems) {
+        selectedDifficultySystems = selectedDifficultySystems.filter { it in availableDifficultySystems }.toSet()
+    }
+    
+    // Load existing gym data for editing
+    LaunchedEffect(gymId) {
+        if (gymId != null) {
+            val existingGym = viewModel.getGymById(gymId).first()
+            existingGym?.let { gym ->
+                name = gym.name
+                location = gym.location ?: ""
+                notes = gym.notes ?: ""
+                selectedClimbTypes = gym.supportedClimbTypes.toSet()
+                selectedDifficultySystems = gym.difficultySystems.toSet()
+            }
+        }
+    }
+    
     Scaffold(
         topBar = {
             TopAppBar(
                 title = { Text(if (isEditing) "Edit Gym" else "Add Gym") },
                 navigationIcon = {
                     IconButton(onClick = onNavigateBack) {
-                        Icon(Icons.Default.ArrowBack, contentDescription = "Back")
+                        Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = "Back")
                     }
                 },
                 actions = {
                     TextButton(
                         onClick = {
-                            val gym = if (isEditing) {
-                                Gym.create(name, location, selectedClimbTypes.toList(), selectedDifficultySystems.toList(), notes = notes)
-                            } else {
-                                Gym.create(name, location, selectedClimbTypes.toList(), selectedDifficultySystems.toList(), notes = notes)
-                            }
+                            val gym = Gym.create(name, location, selectedClimbTypes.toList(), selectedDifficultySystems.toList(), notes = notes)
                             
                             if (isEditing) {
-                                viewModel.updateGym(gym)
+                                viewModel.updateGym(gym.copy(id = gymId!!))
                             } else {
                                 viewModel.addGym(gym)
                             }
                             onNavigateBack()
                         },
-                        enabled = name.isNotBlank() && selectedClimbTypes.isNotEmpty()
+                        enabled = name.isNotBlank() && selectedClimbTypes.isNotEmpty() && selectedDifficultySystems.isNotEmpty()
                     ) {
                         Text("Save")
                     }
@@ -142,7 +157,7 @@ fun AddEditGymScreen(
                                 onCheckedChange = null
                             )
                             Spacer(modifier = Modifier.width(8.dp))
-                            Text(climbType.name.lowercase().replaceFirstChar { it.uppercase() })
+                            Text(climbType.getDisplayName())
                         }
                     }
                 }
@@ -163,29 +178,38 @@ fun AddEditGymScreen(
                     
                     Spacer(modifier = Modifier.height(8.dp))
                     
-                    DifficultySystem.entries.forEach { system ->
-                        Row(
-                            verticalAlignment = Alignment.CenterVertically,
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .selectable(
-                                    selected = system in selectedDifficultySystems,
-                                    onClick = {
-                                        selectedDifficultySystems = if (system in selectedDifficultySystems) {
-                                            selectedDifficultySystems - system
-                                        } else {
-                                            selectedDifficultySystems + system
-                                        }
-                                    },
-                                    role = Role.Checkbox
+                    if (selectedClimbTypes.isEmpty()) {
+                        Text(
+                            text = "Select climb types first to see available difficulty systems",
+                            style = MaterialTheme.typography.bodyMedium,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                            modifier = Modifier.padding(vertical = 8.dp)
+                        )
+                    } else {
+                        availableDifficultySystems.forEach { system ->
+                            Row(
+                                verticalAlignment = Alignment.CenterVertically,
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .selectable(
+                                        selected = system in selectedDifficultySystems,
+                                        onClick = {
+                                            selectedDifficultySystems = if (system in selectedDifficultySystems) {
+                                                selectedDifficultySystems - system
+                                            } else {
+                                                selectedDifficultySystems + system
+                                            }
+                                        },
+                                        role = Role.Checkbox
+                                    )
+                            ) {
+                                Checkbox(
+                                    checked = system in selectedDifficultySystems,
+                                    onCheckedChange = null
                                 )
-                        ) {
-                            Checkbox(
-                                checked = system in selectedDifficultySystems,
-                                onCheckedChange = null
-                            )
-                            Spacer(modifier = Modifier.width(8.dp))
-                            Text(system.name)
+                                Spacer(modifier = Modifier.width(8.dp))
+                                Text(system.getDisplayName())
+                            }
                         }
                     }
                 }
@@ -244,6 +268,7 @@ fun AddEditProblemScreen(
                 notes = p.notes ?: ""
                 isActive = p.isActive
                 imagePaths = p.imagePaths
+                selectedGym = gyms.find { it.id == p.gymId }
             }
         }
     }
@@ -254,8 +279,39 @@ fun AddEditProblemScreen(
         }
     }
     
-    val availableDifficultySystems = selectedGym?.difficultySystems ?: DifficultySystem.entries.toList()
     val availableClimbTypes = selectedGym?.supportedClimbTypes ?: ClimbType.entries.toList()
+    val availableDifficultySystems = DifficultySystem.getSystemsForClimbType(selectedClimbType).filter { system ->
+        selectedGym?.difficultySystems?.contains(system) != false
+    }
+    
+    // Auto-select climb type if there's only one available
+    LaunchedEffect(availableClimbTypes) {
+        if (availableClimbTypes.size == 1 && selectedClimbType != availableClimbTypes.first()) {
+            selectedClimbType = availableClimbTypes.first()
+        }
+    }
+    
+    // Auto-select or reset difficulty system based on climb type
+    LaunchedEffect(selectedClimbType, availableDifficultySystems) {
+        when {
+            // If current system is not compatible, select the first available one
+            selectedDifficultySystem !in availableDifficultySystems -> {
+                selectedDifficultySystem = availableDifficultySystems.firstOrNull() ?: DifficultySystem.CUSTOM
+            }
+            // If there's only one available system and nothing is selected, auto-select it
+            availableDifficultySystems.size == 1 && selectedDifficultySystem != availableDifficultySystems.first() -> {
+                selectedDifficultySystem = availableDifficultySystems.first()
+            }
+        }
+    }
+    
+    // Reset grade when difficulty system changes (unless it's a valid grade for the new system)
+    LaunchedEffect(selectedDifficultySystem) {
+        val availableGrades = selectedDifficultySystem.getAvailableGrades()
+        if (availableGrades.isNotEmpty() && difficultyGrade !in availableGrades) {
+            difficultyGrade = ""
+        }
+    }
     
     Scaffold(
         topBar = {
@@ -263,7 +319,7 @@ fun AddEditProblemScreen(
                 title = { Text(if (isEditing) "Edit Problem" else "Add Problem") },
                 navigationIcon = {
                     IconButton(onClick = onNavigateBack) {
-                        Icon(Icons.Default.ArrowBack, contentDescription = "Back")
+                        Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = "Back")
                     }
                 },
                 actions = {
@@ -437,7 +493,7 @@ fun AddEditProblemScreen(
                                 availableClimbTypes.forEach { climbType ->
                                     FilterChip(
                                         onClick = { selectedClimbType = climbType },
-                                        label = { Text(climbType.name.lowercase().replaceFirstChar { it.uppercase() }) },
+                                        label = { Text(climbType.getDisplayName()) },
                                         selected = selectedClimbType == climbType
                                     )
                                 }
@@ -476,7 +532,7 @@ fun AddEditProblemScreen(
                                 items(availableDifficultySystems) { system ->
                                     FilterChip(
                                         onClick = { selectedDifficultySystem = system },
-                                        label = { Text(system.name) },
+                                        label = { Text(system.getDisplayName()) },
                                         selected = selectedDifficultySystem == system
                                     )
                                 }
@@ -484,23 +540,58 @@ fun AddEditProblemScreen(
                             
                             Spacer(modifier = Modifier.height(8.dp))
                             
-                            OutlinedTextField(
-                                value = difficultyGrade,
-                                onValueChange = { difficultyGrade = it },
-                                label = { Text("Grade *") },
-                                modifier = Modifier.fillMaxWidth(),
-                                singleLine = true,
-                                placeholder = { 
-                                    Text(when (selectedDifficultySystem) {
-                                        DifficultySystem.V_SCALE -> "e.g., V0, V4, V10"
-                                        DifficultySystem.FONT -> "e.g., 3, 6A+, 8B"
-                                        DifficultySystem.YDS -> "e.g., 5.8, 5.12a"
-                                        DifficultySystem.FRENCH -> "e.g., 6a, 7c+"
-                                        DifficultySystem.CUSTOM -> "Custom grade"
-                                        else -> "Enter grade"
-                                    }) 
+                            if (selectedDifficultySystem == DifficultySystem.CUSTOM) {
+                                OutlinedTextField(
+                                    value = difficultyGrade,
+                                    onValueChange = { newValue ->
+                                        // Only allow integers for custom scales
+                                        if (newValue.isEmpty() || newValue.all { it.isDigit() }) {
+                                            difficultyGrade = newValue
+                                        }
+                                    },
+                                    label = { Text("Grade *") },
+                                    modifier = Modifier.fillMaxWidth(),
+                                    singleLine = true,
+                                    placeholder = { Text("Enter numeric grade (e.g. 5, 10, 15)") },
+                                    supportingText = { Text("Custom grades must be whole numbers") },
+                                    keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number)
+                                )
+                            } else {
+                                var expanded by remember { mutableStateOf(false) }
+                                val availableGrades = selectedDifficultySystem.getAvailableGrades()
+                                
+                                ExposedDropdownMenuBox(
+                                    expanded = expanded,
+                                    onExpandedChange = { expanded = !expanded },
+                                    modifier = Modifier.fillMaxWidth()
+                                ) {
+                                    OutlinedTextField(
+                                        value = difficultyGrade,
+                                        onValueChange = { },
+                                        readOnly = true,
+                                        label = { Text("Grade *") },
+                                        trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expanded) },
+                                        colors = ExposedDropdownMenuDefaults.outlinedTextFieldColors(),
+                                        modifier = Modifier
+                                            .menuAnchor(androidx.compose.material3.MenuAnchorType.PrimaryNotEditable, enabled = true)
+                                            .fillMaxWidth()
+                                    )
+                                    ExposedDropdownMenu(
+                                        expanded = expanded,
+                                        onDismissRequest = { expanded = false }
+                                    ) {
+                                        availableGrades.forEach { grade ->
+                                            DropdownMenuItem(
+                                                text = { Text(grade) },
+                                                onClick = {
+                                                    difficultyGrade = grade
+                                                    expanded = false
+                                                }
+                                            )
+                                        }
+                                    }
                                 }
-                            )
+                            }
                         }
                     }
                 }
@@ -552,7 +643,7 @@ fun AddEditProblemScreen(
                             label = { Text("Tags (Optional)") },
                             modifier = Modifier.fillMaxWidth(),
                             singleLine = true,
-                            placeholder = { Text("e.g., overhang, crimpy, dynamic (comma-separated)") }
+                            placeholder = { Text("e.g., crimpy, dynamic (comma-separated)") }
                         )
                         
                         Spacer(modifier = Modifier.height(8.dp))
@@ -605,17 +696,26 @@ fun AddEditSessionScreen(
 ) {
     val isEditing = sessionId != null
     val gyms by viewModel.gyms.collectAsState()
-    val problems by viewModel.problems.collectAsState()
-    
+    val context = LocalContext.current
+
     // Session form state
     var selectedGym by remember { mutableStateOf<Gym?>(gymId?.let { id -> gyms.find { it.id == id } }) }
     var sessionDate by remember { mutableStateOf(LocalDateTime.now().toLocalDate().toString()) }
     var duration by remember { mutableStateOf("") }
     var sessionNotes by remember { mutableStateOf("") }
     
-    // Attempt tracking state
-    var attempts by remember { mutableStateOf(listOf<AttemptInput>()) }
-    var showAddAttemptDialog by remember { mutableStateOf(false) }
+    // Load existing session data for editing
+    LaunchedEffect(sessionId) {
+        if (sessionId != null) {
+            val existingSession = viewModel.getSessionById(sessionId).first()
+            existingSession?.let { session ->
+                selectedGym = gyms.find { it.id == session.gymId }
+                sessionDate = session.date.split("T")[0] // Extract date part
+                duration = session.duration?.toString() ?: ""
+                sessionNotes = session.notes ?: ""
+            }
+        }
+    }
     
     LaunchedEffect(gymId, gyms) {
         if (gymId != null && selectedGym == null) {
@@ -629,33 +729,21 @@ fun AddEditSessionScreen(
                 title = { Text(if (isEditing) "Edit Session" else "Add Session") },
                 navigationIcon = {
                     IconButton(onClick = onNavigateBack) {
-                        Icon(Icons.Default.ArrowBack, contentDescription = "Back")
+                        Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = "Back")
                     }
                 },
                 actions = {
                     TextButton(
                         onClick = {
                             selectedGym?.let { gym ->
-                                val session = ClimbSession.create(
-                                    gymId = gym.id,
-                                    notes = sessionNotes.ifBlank { null }
-                                )
-                                
                                 if (isEditing) {
+                                    val session = ClimbSession.create(
+                                        gymId = gym.id,
+                                        notes = sessionNotes.ifBlank { null }
+                                    )
                                     viewModel.updateSession(session.copy(id = sessionId!!))
                                 } else {
-                                    viewModel.addSession(session)
-                                    
-                                    attempts.forEach { attemptInput ->
-                                        val attempt = Attempt.create(
-                                            sessionId = session.id,
-                                            problemId = attemptInput.problemId,
-                                            result = attemptInput.result,
-                                            highestHold = attemptInput.highestHold.ifBlank { null },
-                                            notes = attemptInput.notes.ifBlank { null }
-                                        )
-                                        viewModel.addAttempt(attempt)
-                                    }
+                                    viewModel.startSession(context, gym.id, sessionNotes.ifBlank { null })
                                 }
                                 onNavigateBack()
                             }
@@ -666,15 +754,6 @@ fun AddEditSessionScreen(
                     }
                 }
             )
-        },
-        floatingActionButton = {
-            if (selectedGym != null) {
-                FloatingActionButton(
-                    onClick = { showAddAttemptDialog = true }
-                ) {
-                    Icon(Icons.Default.Add, contentDescription = "Add Attempt")
-                }
-            }
         }
     ) { paddingValues ->
         LazyColumn(
@@ -770,286 +849,9 @@ fun AddEditSessionScreen(
                     }
                 }
             }
-            
-            // Attempts Section
-            item {
-                Card(
-                    modifier = Modifier.fillMaxWidth()
-                ) {
-                    Column(
-                        modifier = Modifier.padding(16.dp)
-                    ) {
-                        Row(
-                            modifier = Modifier.fillMaxWidth(),
-                            horizontalArrangement = Arrangement.SpaceBetween,
-                            verticalAlignment = Alignment.CenterVertically
-                        ) {
-                            Text(
-                                text = "Attempts (${attempts.size})",
-                                style = MaterialTheme.typography.titleMedium,
-                                fontWeight = FontWeight.Bold
-                            )
-                            
-
-                        }
-                        
-                        if (attempts.isEmpty()) {
-                            Spacer(modifier = Modifier.height(8.dp))
-                            Text(
-                                text = "No attempts recorded yet. Add an attempt to track your progress.",
-                                style = MaterialTheme.typography.bodyMedium,
-                                color = MaterialTheme.colorScheme.onSurfaceVariant
-                            )
-                        }
-                    }
-                }
-            }
-            
-            // Attempts List
-            items(attempts.size) { index ->
-                val attempt = attempts[index]
-                val problem = problems.find { it.id == attempt.problemId }
-                
-                Card(
-                    modifier = Modifier.fillMaxWidth()
-                ) {
-                    Column(
-                        modifier = Modifier.padding(16.dp)
-                    ) {
-                        Row(
-                            modifier = Modifier.fillMaxWidth(),
-                            horizontalArrangement = Arrangement.SpaceBetween,
-                            verticalAlignment = Alignment.Top
-                        ) {
-                            Column(modifier = Modifier.weight(1f)) {
-                                Text(
-                                    text = problem?.name ?: "Unknown Problem",
-                                    style = MaterialTheme.typography.titleSmall,
-                                    fontWeight = FontWeight.Bold
-                                )
-                                
-                                problem?.difficulty?.let { difficulty ->
-                                    Text(
-                                        text = "${difficulty.system.name}: ${difficulty.grade}",
-                                        style = MaterialTheme.typography.bodySmall,
-                                        color = MaterialTheme.colorScheme.primary
-                                    )
-                                }
-                                
-                                Text(
-                                    text = "Result: ${attempt.result.name.lowercase().replaceFirstChar { it.uppercase() }}",
-                                    style = MaterialTheme.typography.bodyMedium,
-                                    color = when (attempt.result) {
-                                        AttemptResult.SUCCESS, AttemptResult.FLASH, 
-                                        AttemptResult.REDPOINT, AttemptResult.ONSIGHT -> MaterialTheme.colorScheme.primary
-                                        else -> MaterialTheme.colorScheme.onSurfaceVariant
-                                    }
-                                )
-                                
-                                if (attempt.highestHold.isNotBlank()) {
-                                    Text(
-                                        text = "Highest hold: ${attempt.highestHold}",
-                                        style = MaterialTheme.typography.bodySmall,
-                                        color = MaterialTheme.colorScheme.onSurfaceVariant
-                                    )
-                                }
-                                
-                                if (attempt.notes.isNotBlank()) {
-                                    Text(
-                                        text = attempt.notes,
-                                        style = MaterialTheme.typography.bodySmall,
-                                        color = MaterialTheme.colorScheme.onSurfaceVariant
-                                    )
-                                }
-                            }
-                            
-                            IconButton(
-                                onClick = {
-                                    attempts = attempts.toMutableList().apply { removeAt(index) }
-                                }
-                            ) {
-                                Icon(Icons.Default.Delete, contentDescription = "Remove attempt")
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
-    
-    if (showAddAttemptDialog && selectedGym != null) {
-        AddAttemptDialog(
-            problems = problems.filter { it.gymId == selectedGym!!.id && it.isActive },
-            onDismiss = { showAddAttemptDialog = false },
-            onAddAttempt = { attemptInput ->
-                attempts = attempts + attemptInput
-                showAddAttemptDialog = false
-            }
-        )
-    }
-}
-
-
-
-@OptIn(ExperimentalMaterial3Api::class)
-@Composable
-fun AddAttemptDialog(
-    problems: List<Problem>,
-    onDismiss: () -> Unit,
-    onAddAttempt: (AttemptInput) -> Unit
-) {
-    var selectedProblem by remember { mutableStateOf<Problem?>(null) }
-    var selectedResult by remember { mutableStateOf(AttemptResult.FALL) }
-    var highestHold by remember { mutableStateOf("") }
-    var notes by remember { mutableStateOf("") }
-    
-    Dialog(onDismissRequest = onDismiss) {
-        Card(
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(16.dp)
-        ) {
-            Column(
-                modifier = Modifier.padding(24.dp),
-                verticalArrangement = Arrangement.spacedBy(16.dp)
-            ) {
-                Text(
-                    text = "Add Attempt",
-                    style = MaterialTheme.typography.headlineSmall,
-                    fontWeight = FontWeight.Bold
-                )
-                
-                // Problem Selection
-                Text(
-                    text = "Problem",
-                    style = MaterialTheme.typography.titleMedium,
-                    fontWeight = FontWeight.Medium
-                )
-                
-                if (problems.isEmpty()) {
-                    Text(
-                        text = "No active problems in this gym. Add some problems first.",
-                        style = MaterialTheme.typography.bodyMedium,
-                        color = MaterialTheme.colorScheme.error
-                    )
-                } else {
-                    LazyColumn(
-                        modifier = Modifier.height(120.dp),
-                        verticalArrangement = Arrangement.spacedBy(4.dp)
-                    ) {
-                        items(problems) { problem ->
-                            Card(
-                                onClick = { selectedProblem = problem },
-                                colors = CardDefaults.cardColors(
-                                    containerColor = if (selectedProblem?.id == problem.id) 
-                                        MaterialTheme.colorScheme.primaryContainer 
-                                    else MaterialTheme.colorScheme.surface
-                                ),
-                                modifier = Modifier.fillMaxWidth()
-                            ) {
-                                Column(
-                                    modifier = Modifier.padding(12.dp)
-                                ) {
-                                    Text(
-                                        text = problem.name ?: "Unnamed Problem",
-                                        style = MaterialTheme.typography.bodyMedium,
-                                        fontWeight = FontWeight.Medium
-                                    )
-                                    Text(
-                                        text = "${problem.difficulty.system.name}: ${problem.difficulty.grade}",
-                                        style = MaterialTheme.typography.bodySmall,
-                                        color = MaterialTheme.colorScheme.primary
-                                    )
-                                }
-                            }
-                        }
-                    }
-                }
-                
-                // Result Selection
-                Text(
-                    text = "Result",
-                    style = MaterialTheme.typography.titleMedium,
-                    fontWeight = FontWeight.Medium
-                )
-                
-                Column(modifier = Modifier.selectableGroup()) {
-                    AttemptResult.entries.forEach { result ->
-                        Row(
-                            verticalAlignment = Alignment.CenterVertically,
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .selectable(
-                                    selected = selectedResult == result,
-                                    onClick = { selectedResult = result },
-                                    role = Role.RadioButton
-                                )
-                        ) {
-                            RadioButton(
-                                selected = selectedResult == result,
-                                onClick = null
-                            )
-                            Spacer(modifier = Modifier.width(8.dp))
-                            Text(
-                                text = result.name.lowercase().replaceFirstChar { it.uppercase() },
-                                style = MaterialTheme.typography.bodyMedium
-                            )
-                        }
-                    }
-                }
-                
-                // Highest Hold
-                OutlinedTextField(
-                    value = highestHold,
-                    onValueChange = { highestHold = it },
-                    label = { Text("Highest Hold (Optional)") },
-                    modifier = Modifier.fillMaxWidth(),
-                    singleLine = true,
-                    placeholder = { Text("e.g., 'jugs near the top', 'crux move'") }
-                )
-                
-                // Notes
-                OutlinedTextField(
-                    value = notes,
-                    onValueChange = { notes = it },
-                    label = { Text("Notes (Optional)") },
-                    modifier = Modifier.fillMaxWidth(),
-                    minLines = 2,
-                    placeholder = { Text("e.g., 'need to work on heel hooks', 'pumped out'") }
-                )
-                
-                // Buttons
-                Row(
-                    modifier = Modifier.fillMaxWidth(),
-                    horizontalArrangement = Arrangement.spacedBy(8.dp)
-                ) {
-                    TextButton(
-                        onClick = onDismiss,
-                        modifier = Modifier.weight(1f)
-                    ) {
-                        Text("Cancel")
-                    }
-                    
-                    Button(
-                        onClick = {
-                            selectedProblem?.let { problem ->
-                                onAddAttempt(
-                                    AttemptInput(
-                                        problemId = problem.id,
-                                        result = selectedResult,
-                                        highestHold = highestHold,
-                                        notes = notes
-                                    )
-                                )
-                            }
-                        },
-                        enabled = selectedProblem != null,
-                        modifier = Modifier.weight(1f)
-                    ) {
-                        Text("Add Attempt")
-                    }
-                }
-            }
         }
     }
 }
+
+
+

app/src/main/java/com/atridad/openclimb/ui/screens/AnalyticsScreen.kt

@@ -6,9 +6,15 @@ import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
+import com.atridad.openclimb.R
 import com.atridad.openclimb.ui.viewmodel.ClimbViewModel
+import com.atridad.openclimb.data.model.ClimbType
+import com.atridad.openclimb.data.model.DifficultySystem
+import com.atridad.openclimb.ui.components.ChartDataPoint
+import com.atridad.openclimb.ui.components.LineChart
 
 @Composable
 fun AnalyticsScreen(
@@ -26,11 +32,23 @@ fun AnalyticsScreen(
         verticalArrangement = Arrangement.spacedBy(16.dp)
     ) {
         item {
-            Text(
-                text = "Analytics",
-                style = MaterialTheme.typography.headlineMedium,
-                fontWeight = FontWeight.Bold
-            )
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.spacedBy(12.dp)
+            ) {
+                Icon(
+                    painter = painterResource(id = R.drawable.ic_mountains),
+                    contentDescription = "OpenClimb Logo",
+                    modifier = Modifier.size(32.dp),
+                    tint = MaterialTheme.colorScheme.primary
+                )
+                Text(
+                    text = "Analytics",
+                    style = MaterialTheme.typography.headlineMedium,
+                    fontWeight = FontWeight.Bold
+                )
+            }
         }
         
         // Overall Stats
@@ -43,20 +61,10 @@ fun AnalyticsScreen(
             )
         }
         
-        // Success Rate
+        // Progress Chart
         item {
-            val successfulAttempts = attempts.count { 
-                it.result.name in listOf("SUCCESS", "FLASH", "REDPOINT", "ONSIGHT") 
-            }
-            val successRate = if (attempts.isNotEmpty()) {
-                (successfulAttempts.toDouble() / attempts.size * 100).toInt()
-            } else 0
-            
-            SuccessRateCard(
-                successRate = successRate,
-                successfulAttempts = successfulAttempts,
-                totalAttempts = attempts.size
-            )
+            val progressData = calculateProgressOverTime(sessions, problems, attempts)
+            ProgressChartCard(progressData = progressData, problems = problems)
         }
         
         // Favorite Gym
@@ -79,41 +87,6 @@ fun AnalyticsScreen(
             val recentSessions = sessions.take(5)
             RecentActivityCard(recentSessions = recentSessions.size)
         }
-        
-
-        item {
-            Card(
-                modifier = Modifier.fillMaxWidth()
-            ) {
-                Column(
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .padding(16.dp),
-                    horizontalAlignment = Alignment.CenterHorizontally
-                ) {
-                    Text(
-                        text = "Progress Charts",
-                        style = MaterialTheme.typography.titleMedium,
-                        fontWeight = FontWeight.Bold
-                    )
-                    
-                    Spacer(modifier = Modifier.height(8.dp))
-                    
-                    Text(
-                        text = "Detailed charts and analytics coming soon!",
-                        style = MaterialTheme.typography.bodyMedium,
-                        color = MaterialTheme.colorScheme.onSurfaceVariant
-                    )
-                    
-                    Spacer(modifier = Modifier.height(16.dp))
-                    
-                    Text(
-                        text = "📊",
-                        style = MaterialTheme.typography.displaySmall
-                    )
-                }
-            }
-        }
     }
 }
 
@@ -153,14 +126,22 @@ fun OverallStatsCard(
     }
 }
 
-
-
+@OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun SuccessRateCard(
-    successRate: Int,
-    successfulAttempts: Int,
-    totalAttempts: Int
+fun ProgressChartCard(
+    progressData: List<ProgressDataPoint>,
+    problems: List<com.atridad.openclimb.data.model.Problem>,
 ) {
+    // Find all grading systems that have been used in the progress data
+    val usedSystems = remember(progressData) {
+        progressData.map { it.difficultySystem }.distinct()
+    }
+    
+    var selectedSystem by remember(usedSystems) { 
+        mutableStateOf(usedSystems.firstOrNull() ?: DifficultySystem.V_SCALE) 
+    }
+    var expanded by remember { mutableStateOf(false) }
+    
     Card(
         modifier = Modifier.fillMaxWidth()
     ) {
@@ -169,38 +150,120 @@ fun SuccessRateCard(
                 .fillMaxWidth()
                 .padding(16.dp)
         ) {
-            Text(
-                text = "Success Rate",
-                style = MaterialTheme.typography.titleMedium,
-                fontWeight = FontWeight.Bold
-            )
-            
-            Spacer(modifier = Modifier.height(8.dp))
-            
             Row(
                 modifier = Modifier.fillMaxWidth(),
                 horizontalArrangement = Arrangement.SpaceBetween,
                 verticalAlignment = Alignment.CenterVertically
             ) {
                 Text(
-                    text = "$successRate%",
-                    style = MaterialTheme.typography.displaySmall,
+                    text = "Progress Over Time",
+                    style = MaterialTheme.typography.titleMedium,
                     fontWeight = FontWeight.Bold,
-                    color = MaterialTheme.colorScheme.primary
+                    modifier = Modifier.weight(1f)
                 )
                 
-                Column(horizontalAlignment = Alignment.End) {
-                    Text(
-                        text = "$successfulAttempts successful",
-                        style = MaterialTheme.typography.bodyMedium
-                    )
-                    Text(
-                        text = "out of $totalAttempts attempts",
-                        style = MaterialTheme.typography.bodySmall,
-                        color = MaterialTheme.colorScheme.onSurfaceVariant
-                    )
+                // Scale selector dropdown
+                if (usedSystems.size > 1) {
+                    ExposedDropdownMenuBox(
+                        expanded = expanded,
+                        onExpandedChange = { expanded = !expanded }
+                    ) {
+                        OutlinedTextField(
+                            value = when (selectedSystem) {
+                                DifficultySystem.V_SCALE -> "V-Scale"
+                                DifficultySystem.FONT -> "Font"
+                                DifficultySystem.YDS -> "YDS"
+                                DifficultySystem.CUSTOM -> "Custom"
+                            },
+                            onValueChange = {},
+                            readOnly = true,
+                            trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expanded) },
+                            modifier = Modifier
+                                .menuAnchor(type = MenuAnchorType.PrimaryNotEditable, enabled = true)
+                                .width(120.dp),
+                            textStyle = MaterialTheme.typography.bodyMedium
+                        )
+                        ExposedDropdownMenu(
+                            expanded = expanded,
+                            onDismissRequest = { expanded = false }
+                        ) {
+                            usedSystems.forEach { system ->
+                                DropdownMenuItem(
+                                    text = { 
+                                        Text(when (system) {
+                                            DifficultySystem.V_SCALE -> "V-Scale"
+                                            DifficultySystem.FONT -> "Font"
+                                            DifficultySystem.YDS -> "YDS"
+                                            DifficultySystem.CUSTOM -> "Custom"
+                                        })
+                                    },
+                                    onClick = {
+                                        selectedSystem = system
+                                        expanded = false
+                                    }
+                                )
+                            }
+                        }
+                    }
                 }
             }
+            
+            Spacer(modifier = Modifier.height(12.dp))
+            
+            // Filter progress data by selected scale
+            val filteredProgressData = remember(progressData, selectedSystem) {
+                progressData.filter { it.difficultySystem == selectedSystem }
+            }
+            
+            if (filteredProgressData.isNotEmpty()) {
+                val chartData = remember(filteredProgressData) {
+                    // Convert progress data to chart data points ordered by session
+                    filteredProgressData
+                        .sortedBy { it.date }
+                        .mapIndexed { index, p ->
+                            ChartDataPoint(
+                                x = (index + 1).toFloat(),
+                                y = p.maxGradeNumeric.toFloat(),
+                                label = "Session ${index + 1}"
+                            )
+                        }
+                }
+                
+                LineChart(
+                    data = chartData,
+                    modifier = Modifier.fillMaxWidth().height(220.dp),
+                    xAxisFormatter = { value -> 
+                        "S${value.toInt()}" // S1, S2, S3, etc.
+                    },
+                    yAxisFormatter = { value -> 
+                        numericToGrade(selectedSystem, value.toInt())
+                    }
+                )
+                
+                Spacer(modifier = Modifier.height(8.dp))
+                
+                Text(
+                    text = "X: session number, Y: max ${when(selectedSystem) {
+                        DifficultySystem.V_SCALE -> "V-grade"
+                        DifficultySystem.FONT -> "Font grade" 
+                        DifficultySystem.YDS -> "YDS grade"
+                        DifficultySystem.CUSTOM -> "custom grade"
+                    }} achieved",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            } else {
+                Text(
+                    text = "No progress data available for ${when(selectedSystem) {
+                        DifficultySystem.V_SCALE -> "V-Scale"
+                        DifficultySystem.FONT -> "Font"
+                        DifficultySystem.YDS -> "YDS"
+                        DifficultySystem.CUSTOM -> "Custom"
+                    }} system",
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
         }
     }
 }
@@ -274,3 +337,207 @@ fun RecentActivityCard(
         }
     }
 }
+
+data class ProgressDataPoint(
+    val date: String,
+    val maxGrade: String,
+    val maxGradeNumeric: Int,
+    val climbType: ClimbType,
+    val difficultySystem: DifficultySystem
+)
+
+fun calculateProgressOverTime(
+    sessions: List<com.atridad.openclimb.data.model.ClimbSession>,
+    problems: List<com.atridad.openclimb.data.model.Problem>,
+    attempts: List<com.atridad.openclimb.data.model.Attempt>
+): List<ProgressDataPoint> {
+    if (sessions.isEmpty() || problems.isEmpty() || attempts.isEmpty()) {
+        return emptyList()
+    }
+    
+    val sessionProgress = sessions.mapNotNull { session ->
+        val sessionAttempts = attempts.filter { it.sessionId == session.id }
+        if (sessionAttempts.isEmpty()) return@mapNotNull null
+        val attemptedProblemIds = sessionAttempts.map { it.problemId }.distinct()
+        val attemptedProblems = problems.filter { it.id in attemptedProblemIds }
+        if (attemptedProblems.isEmpty()) return@mapNotNull null
+        val highestGradeProblem = attemptedProblems.maxByOrNull { problem ->
+            gradeToNumeric(problem.difficulty.system, problem.difficulty.grade)
+        }
+        if (highestGradeProblem != null) {
+            ProgressDataPoint(
+                date = session.date,
+                maxGrade = highestGradeProblem.difficulty.grade,
+                maxGradeNumeric = gradeToNumeric(highestGradeProblem.difficulty.system, highestGradeProblem.difficulty.grade),
+                climbType = highestGradeProblem.climbType,
+                difficultySystem = highestGradeProblem.difficulty.system
+            )
+        } else null
+    }
+    return sessionProgress.sortedBy { it.date }
+}
+
+fun gradeToNumeric(system: DifficultySystem, grade: String): Int {
+    return when (system) {
+        DifficultySystem.V_SCALE -> {
+            when (grade) {
+                "VB" -> 0
+                else -> grade.removePrefix("V").toIntOrNull() ?: 0
+            }
+        }
+        DifficultySystem.FONT -> {
+            when (grade) {
+                "3" -> 3
+                "4A" -> 4
+                "4B" -> 5
+                "4C" -> 6
+                "5A" -> 7
+                "5B" -> 8
+                "5C" -> 9
+                "6A" -> 10
+                "6A+" -> 11
+                "6B" -> 12
+                "6B+" -> 13
+                "6C" -> 14
+                "6C+" -> 15
+                "7A" -> 16
+                "7A+" -> 17
+                "7B" -> 18
+                "7B+" -> 19
+                "7C" -> 20
+                "7C+" -> 21
+                "8A" -> 22
+                "8A+" -> 23
+                "8B" -> 24
+                "8B+" -> 25
+                "8C" -> 26
+                "8C+" -> 27
+                else -> 0
+            }
+        }
+        DifficultySystem.YDS -> {
+            when (grade) {
+                "5.0" -> 50
+                "5.1" -> 51
+                "5.2" -> 52
+                "5.3" -> 53
+                "5.4" -> 54
+                "5.5" -> 55
+                "5.6" -> 56
+                "5.7" -> 57
+                "5.8" -> 58
+                "5.9" -> 59
+                "5.10a" -> 60
+                "5.10b" -> 61
+                "5.10c" -> 62
+                "5.10d" -> 63
+                "5.11a" -> 64
+                "5.11b" -> 65
+                "5.11c" -> 66
+                "5.11d" -> 67
+                "5.12a" -> 68
+                "5.12b" -> 69
+                "5.12c" -> 70
+                "5.12d" -> 71
+                "5.13a" -> 72
+                "5.13b" -> 73
+                "5.13c" -> 74
+                "5.13d" -> 75
+                "5.14a" -> 76
+                "5.14b" -> 77
+                "5.14c" -> 78
+                "5.14d" -> 79
+                "5.15a" -> 80
+                "5.15b" -> 81
+                "5.15c" -> 82
+                "5.15d" -> 83
+                else -> 0
+            }
+        }
+        DifficultySystem.CUSTOM -> {
+            // Custom grades are numeric strings, so parse them directly
+            grade.toIntOrNull() ?: 0
+        }
+    }
+}
+
+fun numericToGrade(system: DifficultySystem, numeric: Int): String {
+    return when (system) {
+        DifficultySystem.V_SCALE -> {
+            when (numeric) {
+                0 -> "VB"
+                else -> "V$numeric"
+            }
+        }
+        DifficultySystem.FONT -> {
+            when (numeric) {
+                3 -> "3"
+                4 -> "4A"
+                5 -> "4B"
+                6 -> "4C"
+                7 -> "5A"
+                8 -> "5B"
+                9 -> "5C"
+                10 -> "6A"
+                11 -> "6A+"
+                12 -> "6B"
+                13 -> "6B+"
+                14 -> "6C"
+                15 -> "6C+"
+                16 -> "7A"
+                17 -> "7A+"
+                18 -> "7B"
+                19 -> "7B+"
+                20 -> "7C"
+                21 -> "7C+"
+                22 -> "8A"
+                23 -> "8A+"
+                24 -> "8B"
+                25 -> "8B+"
+                26 -> "8C"
+                27 -> "8C+"
+                else -> numeric.toString()
+            }
+        }
+        DifficultySystem.YDS -> {
+            when (numeric) {
+                50 -> "5.0"
+                51 -> "5.1"
+                52 -> "5.2"
+                53 -> "5.3"
+                54 -> "5.4"
+                55 -> "5.5"
+                56 -> "5.6"
+                57 -> "5.7"
+                58 -> "5.8"
+                59 -> "5.9"
+                60 -> "5.10a"
+                61 -> "5.10b"
+                62 -> "5.10c"
+                63 -> "5.10d"
+                64 -> "5.11a"
+                65 -> "5.11b"
+                66 -> "5.11c"
+                67 -> "5.11d"
+                68 -> "5.12a"
+                69 -> "5.12b"
+                70 -> "5.12c"
+                71 -> "5.12d"
+                72 -> "5.13a"
+                73 -> "5.13b"
+                74 -> "5.13c"
+                75 -> "5.13d"
+                76 -> "5.14a"
+                77 -> "5.14b"
+                78 -> "5.14c"
+                79 -> "5.14d"
+                80 -> "5.15a"
+                81 -> "5.15b"
+                82 -> "5.15c"
+                83 -> "5.15d"
+                else -> numeric.toString()
+            }
+        }
+        DifficultySystem.CUSTOM -> numeric.toString()
+    }
+}

app/src/main/java/com/atridad/openclimb/ui/screens/GymsScreen.kt

@@ -3,15 +3,14 @@ package com.atridad.openclimb.ui.screens
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Add
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
+import com.atridad.openclimb.R
 import com.atridad.openclimb.data.model.Gym
 import com.atridad.openclimb.ui.viewmodel.ClimbViewModel
 
@@ -19,8 +18,7 @@ import com.atridad.openclimb.ui.viewmodel.ClimbViewModel
 @Composable
 fun GymsScreen(
     viewModel: ClimbViewModel,
-    onNavigateToGymDetail: (String) -> Unit,
-    onNavigateToAddGym: () -> Unit
+    onNavigateToGymDetail: (String) -> Unit
 ) {
     val gyms by viewModel.gyms.collectAsState()
     
@@ -29,11 +27,23 @@ fun GymsScreen(
             .fillMaxSize()
             .padding(16.dp)
     ) {
-        Text(
-            text = "Climbing Gyms",
-            style = MaterialTheme.typography.headlineMedium,
-            fontWeight = FontWeight.Bold
-        )
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            Icon(
+                painter = painterResource(id = R.drawable.ic_mountains),
+                contentDescription = "OpenClimb Logo",
+                modifier = Modifier.size(32.dp),
+                tint = MaterialTheme.colorScheme.primary
+            )
+            Text(
+                text = "Climbing Gyms",
+                style = MaterialTheme.typography.headlineMedium,
+                fontWeight = FontWeight.Bold
+            )
+        }
         
         Spacer(modifier = Modifier.height(16.dp))
         
@@ -95,7 +105,7 @@ fun GymCard(
                     AssistChip(
                         onClick = { },
                         label = { 
-                            Text(climbType.name.lowercase().replaceFirstChar { it.uppercase() }) 
+                            Text(climbType.getDisplayName()) 
                         },
                         modifier = Modifier.padding(end = 4.dp)
                     )
@@ -105,7 +115,7 @@ fun GymCard(
             if (gym.difficultySystems.isNotEmpty()) {
                 Spacer(modifier = Modifier.height(4.dp))
                 Text(
-                    text = "Systems: ${gym.difficultySystems.joinToString(", ") { it.name }}",
+                    text = "Systems: ${gym.difficultySystems.joinToString(", ") { it.getDisplayName() }}",
                     style = MaterialTheme.typography.bodySmall,
                     color = MaterialTheme.colorScheme.onSurfaceVariant
                 )

app/src/main/java/com/atridad/openclimb/ui/screens/ProblemsScreen.kt

@@ -2,16 +2,18 @@ package com.atridad.openclimb.ui.screens
 
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.LazyRow
 import androidx.compose.foundation.lazy.items
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Add
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
+import com.atridad.openclimb.R
+import com.atridad.openclimb.data.model.ClimbType
+import com.atridad.openclimb.data.model.Gym
 import com.atridad.openclimb.data.model.Problem
 import com.atridad.openclimb.ui.components.FullscreenImageViewer
 import com.atridad.openclimb.ui.components.ImageDisplay
@@ -21,38 +23,157 @@ import com.atridad.openclimb.ui.viewmodel.ClimbViewModel
 @Composable
 fun ProblemsScreen(
     viewModel: ClimbViewModel,
-    onNavigateToProblemDetail: (String) -> Unit,
-    onNavigateToAddProblem: (String?) -> Unit
+    onNavigateToProblemDetail: (String) -> Unit
 ) {
     val problems by viewModel.problems.collectAsState()
     val gyms by viewModel.gyms.collectAsState()
     var showImageViewer by remember { mutableStateOf(false) }
     var selectedImagePaths by remember { mutableStateOf<List<String>>(emptyList()) }
-    var selectedImageIndex by remember { mutableStateOf(0) }
+    var selectedImageIndex by remember { mutableIntStateOf(0) }
+    
+    // Filter state
+    var selectedClimbType by remember { mutableStateOf<ClimbType?>(null) }
+    var selectedGym by remember { mutableStateOf<Gym?>(null) }
+    
+    // Apply filters
+    val filteredProblems = problems.filter { problem ->
+        val climbTypeMatch = selectedClimbType?.let { it == problem.climbType } != false
+        val gymMatch = selectedGym?.let { it.id == problem.gymId } != false
+        climbTypeMatch && gymMatch
+    }
     
     Column(
         modifier = Modifier
             .fillMaxSize()
             .padding(16.dp)
     ) {
-        Text(
-            text = "Problems & Routes",
-            style = MaterialTheme.typography.headlineMedium,
-            fontWeight = FontWeight.Bold
-        )
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
+            Icon(
+                painter = painterResource(id = R.drawable.ic_mountains),
+                contentDescription = "OpenClimb Logo",
+                modifier = Modifier.size(32.dp),
+                tint = MaterialTheme.colorScheme.primary
+            )
+            Text(
+                text = "Problems & Routes",
+                style = MaterialTheme.typography.headlineMedium,
+                fontWeight = FontWeight.Bold
+            )
+        }
         
         Spacer(modifier = Modifier.height(16.dp))
         
-        if (problems.isEmpty()) {
+        // Filters Section
+        if (problems.isNotEmpty()) {
+            Card(
+                modifier = Modifier.fillMaxWidth()
+            ) {
+                Column(
+                    modifier = Modifier.padding(16.dp)
+                ) {
+                    Text(
+                        text = "Filters",
+                        style = MaterialTheme.typography.titleMedium,
+                        fontWeight = FontWeight.Bold
+                    )
+                    
+                    Spacer(modifier = Modifier.height(12.dp))
+                    
+                    // Climb Type Filter
+                    Text(
+                        text = "Climb Type",
+                        style = MaterialTheme.typography.bodyMedium,
+                        fontWeight = FontWeight.Medium
+                    )
+                    
+                    Spacer(modifier = Modifier.height(8.dp))
+                    
+                    LazyRow(
+                        horizontalArrangement = Arrangement.spacedBy(8.dp)
+                    ) {
+                        item {
+                            FilterChip(
+                                onClick = { selectedClimbType = null },
+                                label = { Text("All Types") },
+                                selected = selectedClimbType == null
+                            )
+                        }
+                        items(ClimbType.entries) { climbType ->
+                            FilterChip(
+                                onClick = { selectedClimbType = climbType },
+                                label = { Text(climbType.getDisplayName()) },
+                                selected = selectedClimbType == climbType
+                            )
+                        }
+                    }
+                    
+                    Spacer(modifier = Modifier.height(12.dp))
+                    
+                    // Gym Filter
+                    Text(
+                        text = "Gym",
+                        style = MaterialTheme.typography.bodyMedium,
+                        fontWeight = FontWeight.Medium
+                    )
+                    
+                    Spacer(modifier = Modifier.height(8.dp))
+                    
+                    LazyRow(
+                        horizontalArrangement = Arrangement.spacedBy(8.dp)
+                    ) {
+                        item {
+                            FilterChip(
+                                onClick = { selectedGym = null },
+                                label = { Text("All Gyms") },
+                                selected = selectedGym == null
+                            )
+                        }
+                        items(gyms) { gym ->
+                            FilterChip(
+                                onClick = { selectedGym = gym },
+                                label = { Text(gym.name) },
+                                selected = selectedGym?.id == gym.id
+                            )
+                        }
+                    }
+                    
+                    // Filter result count
+                    if (selectedClimbType != null || selectedGym != null) {
+                        Spacer(modifier = Modifier.height(12.dp))
+                        Text(
+                            text = "Showing ${filteredProblems.size} of ${problems.size} problems",
+                            style = MaterialTheme.typography.bodySmall,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant
+                        )
+                    }
+                }
+            }
+            
+            Spacer(modifier = Modifier.height(16.dp))
+        }
+        
+        if (filteredProblems.isEmpty()) {
             EmptyStateMessage(
-                title = if (gyms.isEmpty()) "No Gyms Available" else "No Problems Yet",
-                message = if (gyms.isEmpty()) "Add a gym first to start tracking problems and routes!" else "Start tracking your favorite problems and routes!",
+                title = if (problems.isEmpty()) {
+                    if (gyms.isEmpty()) "No Gyms Available" else "No Problems Yet"
+                } else {
+                    "No Problems Match Filters"
+                },
+                message = if (problems.isEmpty()) {
+                    if (gyms.isEmpty()) "Add a gym first to start tracking problems and routes!" else "Start tracking your favorite problems and routes!"
+                } else {
+                    "Try adjusting your filters to see more problems."
+                },
                 onActionClick = { },
                 actionText = ""
             )
         } else {
             LazyColumn {
-                items(problems) { problem ->
+                items(filteredProblems) { problem ->
                     ProblemCard(
                         problem = problem,
                         gymName = gyms.find { it.id == problem.gymId }?.name ?: "Unknown Gym",
@@ -124,7 +245,7 @@ fun ProblemCard(
                     )
                     
                     Text(
-                        text = problem.climbType.name.lowercase().replaceFirstChar { it.uppercase() },
+                        text = problem.climbType.getDisplayName(),
                         style = MaterialTheme.typography.bodySmall,
                         color = MaterialTheme.colorScheme.onSurfaceVariant
                     )

app/src/main/java/com/atridad/openclimb/ui/screens/SessionsScreen.kt

@@ -3,16 +3,20 @@ package com.atridad.openclimb.ui.screens
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.CheckCircle
+import androidx.compose.material.icons.filled.Warning
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
+import com.atridad.openclimb.R
 import com.atridad.openclimb.data.model.ClimbSession
 import com.atridad.openclimb.data.model.SessionStatus
 import com.atridad.openclimb.ui.components.ActiveSessionBanner
@@ -24,13 +28,13 @@ import java.time.format.DateTimeFormatter
 @Composable
 fun SessionsScreen(
     viewModel: ClimbViewModel,
-    onNavigateToSessionDetail: (String) -> Unit,
-    onNavigateToAddSession: (String?) -> Unit
+    onNavigateToSessionDetail: (String) -> Unit
 ) {
     val context = LocalContext.current
     val sessions by viewModel.sessions.collectAsState()
     val gyms by viewModel.gyms.collectAsState()
     val activeSession by viewModel.activeSession.collectAsState()
+    val uiState by viewModel.uiState.collectAsState()
     
     // Filter out active sessions from regular session list
     val completedSessions = sessions.filter { it.status == SessionStatus.COMPLETED }
@@ -45,16 +49,20 @@ fun SessionsScreen(
     ) {
         Row(
             modifier = Modifier.fillMaxWidth(),
-            horizontalArrangement = Arrangement.SpaceBetween,
-            verticalAlignment = Alignment.CenterVertically
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.spacedBy(12.dp)
         ) {
+            Icon(
+                painter = painterResource(id = R.drawable.ic_mountains),
+                contentDescription = "OpenClimb Logo",
+                modifier = Modifier.size(32.dp),
+                tint = MaterialTheme.colorScheme.primary
+            )
             Text(
                 text = "Climbing Sessions",
                 style = MaterialTheme.typography.headlineMedium,
                 fontWeight = FontWeight.Bold
             )
-            
-
         }
         
         Spacer(modifier = Modifier.height(16.dp))
@@ -97,6 +105,79 @@ fun SessionsScreen(
             }
         }
     }
+    
+    // Show UI state messages and errors
+    uiState.message?.let { message ->
+        LaunchedEffect(message) {
+            kotlinx.coroutines.delay(5000)
+            viewModel.clearMessage()
+        }
+        
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.primaryContainer
+            ),
+            shape = RoundedCornerShape(12.dp)
+        ) {
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(16.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Icon(
+                    Icons.Default.CheckCircle,
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.primary
+                )
+                Spacer(modifier = Modifier.width(8.dp))
+                Text(
+                    text = message,
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onPrimaryContainer
+                )
+            }
+        }
+    }
+    
+    uiState.error?.let { error ->
+        LaunchedEffect(error) {
+            kotlinx.coroutines.delay(5000)
+            viewModel.clearError()
+        }
+        
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.errorContainer
+            ),
+            shape = RoundedCornerShape(12.dp)
+        ) {
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(16.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Icon(
+                    Icons.Default.Warning,
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.error
+                )
+                Spacer(modifier = Modifier.width(8.dp))
+                Text(
+                    text = error,
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onErrorContainer
+                )
+            }
+        }
+    }
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -135,7 +216,7 @@ fun SessionCard(
             
             session.duration?.let { duration ->
                 Text(
-                    text = "Duration: ${duration} minutes",
+                    text = "Duration: $duration minutes",
                     style = MaterialTheme.typography.bodyMedium
                 )
             }
@@ -197,7 +278,7 @@ private fun formatDate(dateString: String): String {
     return try {
         val date = LocalDateTime.parse(dateString.split("T")[0] + "T00:00:00")
         date.format(DateTimeFormatter.ofPattern("MMM dd, yyyy"))
-    } catch (e: Exception) {
+    } catch (_: Exception) {
         dateString
     }
 }

app/src/main/java/com/atridad/openclimb/ui/screens/SettingsScreen.kt

@@ -2,7 +2,6 @@ package com.atridad.openclimb.ui.screens
 
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
-import android.os.Environment
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.shape.RoundedCornerShape
@@ -13,8 +12,10 @@ import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
+import com.atridad.openclimb.R
 import com.atridad.openclimb.ui.viewmodel.ClimbViewModel
 import java.io.File
 
@@ -25,12 +26,16 @@ fun SettingsScreen(
 ) {
     val uiState by viewModel.uiState.collectAsState()
     val context = LocalContext.current
+    
+    // State for reset confirmation dialog
+    var showResetDialog by remember { mutableStateOf(false) }
+    
     val packageInfo = remember {
         context.packageManager.getPackageInfo(context.packageName, 0)
     }
     val appVersion = packageInfo.versionName
     
-    // File picker launcher for import - accepts both ZIP and JSON files
+    // File picker launcher for import - only accepts ZIP files
     val importLauncher = rememberLauncherForActivityResult(
         contract = ActivityResultContracts.GetContent()
     ) { uri ->
@@ -45,9 +50,13 @@ fun SettingsScreen(
                     } else null
                 } ?: "import_file"
                 
-                val extension = fileName.substringAfterLast(".", "")
-                val tempFileName = if (extension.isNotEmpty()) "temp_import.$extension" else "temp_import"
-                val tempFile = File(context.cacheDir, tempFileName)
+                // Only allow ZIP files
+                if (!fileName.lowercase().endsWith(".zip")) {
+                    viewModel.setError("Only ZIP files are supported for import. Please use a ZIP file exported from OpenClimb.")
+                    return@let
+                }
+                
+                val tempFile = File(context.cacheDir, "temp_import.zip")
                 
                 inputStream?.use { input ->
                     tempFile.outputStream().use { output ->
@@ -61,7 +70,7 @@ fun SettingsScreen(
         }
     }
     
-    // File picker launcher for export - save location (ZIP format with images)
+    // File picker launcher for export - ZIP format with images
     val exportZipLauncher = rememberLauncherForActivityResult(
         contract = ActivityResultContracts.CreateDocument("application/zip")
     ) { uri ->
@@ -74,19 +83,6 @@ fun SettingsScreen(
         }
     }
     
-    // JSON export launcher
-    val exportJsonLauncher = rememberLauncherForActivityResult(
-        contract = ActivityResultContracts.CreateDocument("application/json")
-    ) { uri ->
-        uri?.let {
-            try {
-                viewModel.exportDataToUri(context, uri)
-            } catch (e: Exception) {
-                viewModel.setError("Failed to save file: ${e.message}")
-            }
-        }
-    }
-    
     LazyColumn(
         modifier = Modifier
             .fillMaxSize()
@@ -94,11 +90,23 @@ fun SettingsScreen(
         verticalArrangement = Arrangement.spacedBy(16.dp)
     ) {
         item {
-            Text(
-                text = "Settings",
-                style = MaterialTheme.typography.headlineMedium,
-                fontWeight = FontWeight.Bold
-            )
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.spacedBy(12.dp)
+            ) {
+                Icon(
+                    painter = painterResource(id = R.drawable.ic_mountains),
+                    contentDescription = "OpenClimb Logo",
+                    modifier = Modifier.size(32.dp),
+                    tint = MaterialTheme.colorScheme.primary
+                )
+                Text(
+                    text = "Settings",
+                    style = MaterialTheme.typography.headlineMedium,
+                    fontWeight = FontWeight.Bold
+                )
+            }
         }
         
         // Data Management Section
@@ -166,19 +174,13 @@ fun SettingsScreen(
                         )
                     ) {
                         ListItem(
-                            headlineContent = { Text("Export Data Only") },
-                            supportingContent = { Text("Export climbing data to JSON without images") },
-                            leadingContent = { Icon(Icons.Default.Share, contentDescription = null) },
+                            headlineContent = { Text("Import Data") },
+                            supportingContent = { Text("Import climbing data from ZIP file (recommended format)") },
+                            leadingContent = { Icon(Icons.Default.Add, contentDescription = null) },
                             trailingContent = {
                                 TextButton(
                                     onClick = { 
-                                        val defaultFileName = "openclimb_export_${
-                                            java.time.LocalDateTime.now()
-                                                .toString()
-                                                .replace(":", "-")
-                                                .replace(".", "-")
-                                        }.json"
-                                        exportJsonLauncher.launch(defaultFileName)
+                                        importLauncher.launch("application/zip")
                                     },
                                     enabled = !uiState.isLoading
                                 ) {
@@ -188,7 +190,7 @@ fun SettingsScreen(
                                             strokeWidth = 2.dp
                                         )
                                     } else {
-                                        Text("Export JSON")
+                                        Text("Import")
                                     }
                                 }
                             }
@@ -200,17 +202,17 @@ fun SettingsScreen(
                     Card(
                         shape = RoundedCornerShape(12.dp),
                         colors = CardDefaults.cardColors(
-                            containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f)
+                            containerColor = MaterialTheme.colorScheme.errorContainer.copy(alpha = 0.3f)
                         )
                     ) {
                         ListItem(
-                            headlineContent = { Text("Import Data") },
-                            supportingContent = { Text("Import climbing data from ZIP or JSON file") },
-                            leadingContent = { Icon(Icons.Default.Add, contentDescription = null) },
+                            headlineContent = { Text("Reset All Data") },
+                            supportingContent = { Text("Permanently delete all gyms, problems, sessions, attempts, and images") },
+                            leadingContent = { Icon(Icons.Default.Delete, contentDescription = null, tint = MaterialTheme.colorScheme.error) },
                             trailingContent = {
                                 TextButton(
                                     onClick = { 
-                                        importLauncher.launch("*/*")
+                                        showResetDialog = true
                                     },
                                     enabled = !uiState.isLoading
                                 ) {
@@ -220,7 +222,7 @@ fun SettingsScreen(
                                             strokeWidth = 2.dp
                                         )
                                     } else {
-                                        Text("Import")
+                                        Text("Reset", color = MaterialTheme.colorScheme.error)
                                     }
                                 }
                             }
@@ -256,9 +258,22 @@ fun SettingsScreen(
                         )
                     ) {
                         ListItem(
-                            headlineContent = { Text("Version") },
-                            supportingContent = { Text(appVersion ?: "Unknown") },
-                            leadingContent = { Icon(Icons.Default.Info, contentDescription = null) }
+                            headlineContent = { 
+                                Row(
+                                    verticalAlignment = Alignment.CenterVertically,
+                                    horizontalArrangement = Arrangement.spacedBy(8.dp)
+                                ) {
+                                    Icon(
+                                        painter = painterResource(id = R.drawable.ic_mountains),
+                                        contentDescription = "OpenClimb Logo",
+                                        modifier = Modifier.size(24.dp),
+                                        tint = MaterialTheme.colorScheme.primary
+                                    )
+                                    Text("OpenClimb")
+                                }
+                            },
+                            supportingContent = { Text("Track your climbing progress") },
+                            leadingContent = { }
                         )
                     }
                     
@@ -271,8 +286,8 @@ fun SettingsScreen(
                         )
                     ) {
                         ListItem(
-                            headlineContent = { Text("About") },
-                            supportingContent = { Text("OpenClimb - Track your climbing progress") },
+                            headlineContent = { Text("Version") },
+                            supportingContent = { Text(appVersion ?: "Unknown") },
                             leadingContent = { Icon(Icons.Default.Info, contentDescription = null) }
                         )
                     }
@@ -364,4 +379,51 @@ fun SettingsScreen(
             }
         }
     }
+    
+    // Reset confirmation dialog
+    if (showResetDialog) {
+        AlertDialog(
+            onDismissRequest = { showResetDialog = false },
+            title = { Text("Reset All Data") },
+            text = {
+                Column {
+                    Text("Are you sure you want to reset all data?")
+                    Spacer(modifier = Modifier.height(8.dp))
+                    Text(
+                        text = "This will permanently delete:",
+                        style = MaterialTheme.typography.bodySmall,
+                        fontWeight = FontWeight.Medium
+                    )
+                    Spacer(modifier = Modifier.height(4.dp))
+                    Text(
+                        text = "• All gyms and their information\n• All problems and their images\n• All climbing sessions\n• All attempts and progress data",
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.error
+                    )
+                    Spacer(modifier = Modifier.height(8.dp))
+                    Text(
+                        text = "This action cannot be undone. Consider exporting your data first.",
+                        style = MaterialTheme.typography.bodySmall,
+                        fontWeight = FontWeight.Medium,
+                        color = MaterialTheme.colorScheme.error
+                    )
+                }
+            },
+            confirmButton = {
+                TextButton(
+                    onClick = {
+                        viewModel.resetAllData()
+                        showResetDialog = false
+                    }
+                ) {
+                    Text("Reset All Data", color = MaterialTheme.colorScheme.error)
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = { showResetDialog = false }) { 
+                    Text("Cancel") 
+                }
+            }
+        )
+    }
 }

app/src/main/java/com/atridad/openclimb/ui/theme/Color.kt

@@ -63,13 +63,4 @@ val ClimbNeutralVariant30 = Color(0xFF484848)
 val ClimbNeutralVariant50 = Color(0xFF797979)
 val ClimbNeutralVariant60 = Color(0xFF939393)
 val ClimbNeutralVariant80 = Color(0xFFC7C7C7)
-val ClimbNeutralVariant90 = Color(0xFFE3E3E3)
-
-// Legacy colors for backward compatibility
-val Purple80 = ClimbOrange80
-val PurpleGrey80 = ClimbGrey80
-val Pink80 = ClimbBlue80
-
-val Purple40 = ClimbOrange40
-val PurpleGrey40 = ClimbGrey40
-val Pink40 = ClimbBlue40
+val ClimbNeutralVariant90 = Color(0xFFE3E3E3)

app/src/main/java/com/atridad/openclimb/ui/theme/CustomIcons.kt

@@ -0,0 +1,25 @@
+package com.atridad.openclimb.ui.theme
+
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.SolidColor
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.graphics.vector.path
+import androidx.compose.ui.unit.dp
+
+object CustomIcons {
+    fun Stop(color: Color = Color.Black): ImageVector = ImageVector.Builder(
+        name = "Stop",
+        defaultWidth = 24.dp,
+        defaultHeight = 24.dp,
+        viewportWidth = 24f,
+        viewportHeight = 24f
+    ).path(
+        fill = SolidColor(color)
+    ) {
+        moveTo(6f, 6f)
+        horizontalLineTo(18f)
+        verticalLineTo(18f)
+        horizontalLineTo(6f)
+        close()
+    }.build()
+}

app/src/main/java/com/atridad/openclimb/ui/theme/Theme.kt

@@ -1,7 +1,6 @@
 package com.atridad.openclimb.ui.theme
 
 import android.app.Activity
-import android.os.Build
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.darkColorScheme
@@ -10,7 +9,6 @@ import androidx.compose.material3.dynamicLightColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.SideEffect
-import androidx.compose.ui.graphics.toArgb
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalView
 import androidx.core.view.WindowCompat
@@ -98,7 +96,7 @@ fun OpenClimbTheme(
     content: @Composable () -> Unit
 ) {
     val colorScheme = when {
-        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+        dynamicColor && true -> {
             val context = LocalContext.current
             if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
         }
@@ -110,8 +108,8 @@ fun OpenClimbTheme(
     if (!view.isInEditMode) {
         SideEffect {
             val window = (view.context as Activity).window
-            window.statusBarColor = colorScheme.primary.toArgb()
-            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+            WindowCompat.setDecorFitsSystemWindows(window, false)
+            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = !darkTheme
         }
     }
 

app/src/main/java/com/atridad/openclimb/ui/viewmodel/ClimbViewModel.kt

@@ -147,6 +147,14 @@ class ClimbViewModel(
     // Active session management
     fun startSession(context: Context, gymId: String, notes: String? = null) {
         viewModelScope.launch {
+            // Check notification permission first
+            if (!com.atridad.openclimb.utils.NotificationPermissionUtils.isNotificationPermissionGranted(context)) {
+                _uiState.value = _uiState.value.copy(
+                    error = "Notification permission is required to track your climbing session. Please enable notifications in settings."
+                )
+                return@launch
+            }
+            
             val existingActive = repository.getActiveSession()
             if (existingActive != null) {
                 _uiState.value = _uiState.value.copy(
@@ -170,13 +178,21 @@ class ClimbViewModel(
     
     fun endSession(context: Context, sessionId: String) {
         viewModelScope.launch {
+            // Check notification permission first
+            if (!com.atridad.openclimb.utils.NotificationPermissionUtils.isNotificationPermissionGranted(context)) {
+                _uiState.value = _uiState.value.copy(
+                    error = "Notification permission is required to manage your climbing session. Please enable notifications in settings."
+                )
+                return@launch
+            }
+            
             val session = repository.getSessionById(sessionId)
             if (session != null && session.status == SessionStatus.ACTIVE) {
                 val completedSession = with(ClimbSession) { session.complete() }
                 repository.updateSession(completedSession)
                 
-                // Stop the tracking service
-                val serviceIntent = SessionTrackingService.createStopIntent(context)
+                // Stop the tracking service, passing the session id so service can finalize if needed
+                val serviceIntent = SessionTrackingService.createStopIntent(context, sessionId)
                 context.startService(serviceIntent)
                 
                 _uiState.value = _uiState.value.copy(
@@ -186,28 +202,17 @@ class ClimbViewModel(
         }
     }
     
-    fun pauseSession(sessionId: String) {
+    /**
+     * Check if the session tracking service is running and restart it if needed
+     */
+    fun ensureSessionTrackingServiceRunning(context: Context) {
         viewModelScope.launch {
-            val session = repository.getSessionById(sessionId)
-            if (session != null && session.status == SessionStatus.ACTIVE) {
-                val pausedSession = session.copy(
-                    status = SessionStatus.PAUSED,
-                    updatedAt = java.time.LocalDateTime.now().toString()
-                )
-                repository.updateSession(pausedSession)
-            }
-        }
-    }
-    
-    fun resumeSession(sessionId: String) {
-        viewModelScope.launch {
-            val session = repository.getSessionById(sessionId)
-            if (session != null && session.status == SessionStatus.PAUSED) {
-                val resumedSession = session.copy(
-                    status = SessionStatus.ACTIVE,
-                    updatedAt = java.time.LocalDateTime.now().toString()
-                )
-                repository.updateSession(resumedSession)
+            val activeSession = repository.getActiveSession()
+            if (activeSession != null && activeSession.status == SessionStatus.ACTIVE) {
+                // Check if service is running by trying to start it again
+                // The service will handle duplicate starts gracefully
+                val serviceIntent = SessionTrackingService.createStartIntent(context, activeSession.id)
+                context.startForegroundService(serviceIntent)
             }
         }
     }
@@ -219,89 +224,26 @@ class ClimbViewModel(
         }
     }
     
-    fun updateAttempt(attempt: Attempt) {
-        viewModelScope.launch {
-            repository.updateAttempt(attempt)
-        }
-    }
-    
     fun deleteAttempt(attempt: Attempt) {
         viewModelScope.launch {
             repository.deleteAttempt(attempt)
         }
     }
     
+    fun updateAttempt(attempt: Attempt) {
+        viewModelScope.launch {
+            repository.updateAttempt(attempt)
+        }
+    }
+    
     fun getAttemptsBySession(sessionId: String): Flow<List<Attempt>> = 
         repository.getAttemptsBySession(sessionId)
     
     fun getAttemptsByProblem(problemId: String): Flow<List<Attempt>> = 
         repository.getAttemptsByProblem(problemId)
-    
 
-    
-    // Analytics operations
-    // fun getProblemProgress(problemId: String): Flow<ProblemProgress?> = 
-    //     repository.getProblemProgress(problemId)
-    
-    // fun getSessionSummary(sessionId: String): Flow<SessionSummary?> = 
-    //     repository.getSessionSummary(sessionId)
-    
-    // Export operations
-    fun exportData(context: Context, directory: File? = null) {
-        viewModelScope.launch {
-            try {
-                _uiState.value = _uiState.value.copy(isLoading = true)
-                val exportFile = repository.exportAllDataToJson(directory)
-                _uiState.value = _uiState.value.copy(
-                    isLoading = false,
-                    message = "Data exported to: ${exportFile.absolutePath}"
-                )
-            } catch (e: Exception) {
-                _uiState.value = _uiState.value.copy(
-                    isLoading = false,
-                    error = "Export failed: ${e.message}"
-                )
-            }
-        }
-    }
-    
-    fun exportDataToUri(context: Context, uri: android.net.Uri) {
-        viewModelScope.launch {
-            try {
-                _uiState.value = _uiState.value.copy(isLoading = true)
-                repository.exportAllDataToUri(context, uri)
-                _uiState.value = _uiState.value.copy(
-                    isLoading = false,
-                    message = "Data exported successfully"
-                )
-            } catch (e: Exception) {
-                _uiState.value = _uiState.value.copy(
-                    isLoading = false,
-                    error = "Export failed: ${e.message}"
-                )
-            }
-        }
-    }
-    
-    // ZIP Export operations with images
-    fun exportDataToZip(context: Context, directory: File? = null) {
-        viewModelScope.launch {
-            try {
-                _uiState.value = _uiState.value.copy(isLoading = true)
-                val exportFile = repository.exportAllDataToZip(directory)
-                _uiState.value = _uiState.value.copy(
-                    isLoading = false,
-                    message = "Data with images exported to: ${exportFile.absolutePath}"
-                )
-            } catch (e: Exception) {
-                _uiState.value = _uiState.value.copy(
-                    isLoading = false,
-                    error = "Export failed: ${e.message}"
-                )
-            }
-        }
-    }
-    
+
+
     fun exportDataToZipUri(context: Context, uri: android.net.Uri) {
         viewModelScope.launch {
             try {
@@ -325,13 +267,13 @@ class ClimbViewModel(
             try {
                 _uiState.value = _uiState.value.copy(isLoading = true)
                 
-                // Check if it's a ZIP file or JSON file
-                if (file.name.lowercase().endsWith(".zip")) {
-                    repository.importDataFromZip(file)
-                } else {
-                    repository.importDataFromJson(file)
+                // Only support ZIP format for reliability
+                if (!file.name.lowercase().endsWith(".zip")) {
+                    throw Exception("Only ZIP files are supported for import. Please use a ZIP file exported from OpenClimb.")
                 }
                 
+                repository.importDataFromZip(file)
+                
                 _uiState.value = _uiState.value.copy(
                     isLoading = false,
                     message = "Data imported successfully from ${file.name}"
@@ -358,9 +300,25 @@ class ClimbViewModel(
         _uiState.value = _uiState.value.copy(error = message)
     }
     
-    // Search operations
-    fun searchGyms(query: String): Flow<List<Gym>> = repository.searchGyms(query)
-    fun searchProblems(query: String): Flow<List<Problem>> = repository.searchProblems(query)
+    fun resetAllData() {
+        viewModelScope.launch {
+            try {
+                _uiState.value = _uiState.value.copy(isLoading = true)
+                
+                repository.resetAllData()
+                
+                _uiState.value = _uiState.value.copy(
+                    isLoading = false,
+                    message = "All data has been reset successfully"
+                )
+            } catch (e: Exception) {
+                _uiState.value = _uiState.value.copy(
+                    isLoading = false,
+                    error = "Reset failed: ${e.message}"
+                )
+            }
+        }
+    }
     
     // Share operations
     suspend fun generateSessionShareCard(

app/src/main/java/com/atridad/openclimb/utils/ImageUtils.kt

@@ -1,13 +1,14 @@
 package com.atridad.openclimb.utils
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import android.net.Uri
 import java.io.File
 import java.io.FileOutputStream
-import java.io.IOException
 import java.util.UUID
+import androidx.core.graphics.scale
 
 object ImageUtils {
     
@@ -34,37 +35,96 @@ object ImageUtils {
      */
     fun saveImageFromUri(context: Context, imageUri: Uri): String? {
         return try {
-            val inputStream = context.contentResolver.openInputStream(imageUri)
-            inputStream?.use { input ->
-                // Decode and compress the image
-                val originalBitmap = BitmapFactory.decodeStream(input)
-                val compressedBitmap = compressImage(originalBitmap)
-                
-                // Generate unique filename
-                val filename = "${UUID.randomUUID()}.jpg"
-                val imageFile = File(getImagesDirectory(context), filename)
-                
-                // Save compressed image
-                FileOutputStream(imageFile).use { output ->
-                    compressedBitmap.compress(Bitmap.CompressFormat.JPEG, IMAGE_QUALITY, output)
-                }
-                
-                // Clean up bitmaps
-                originalBitmap.recycle()
-                compressedBitmap.recycle()
-                
-                // Return relative path
-                "$IMAGES_DIR/$filename"
+            // Decode bitmap from a fresh stream to avoid mark/reset dependency
+            val originalBitmap = context.contentResolver.openInputStream(imageUri)?.use { input ->
+                BitmapFactory.decodeStream(input)
+            } ?: return null
+
+            val orientedBitmap = correctImageOrientation(context, imageUri, originalBitmap)
+            val compressedBitmap = compressImage(orientedBitmap)
+
+            // Generate unique filename
+            val filename = "${UUID.randomUUID()}.jpg"
+            val imageFile = File(getImagesDirectory(context), filename)
+
+            // Save compressed image
+            FileOutputStream(imageFile).use { output ->
+                compressedBitmap.compress(Bitmap.CompressFormat.JPEG, IMAGE_QUALITY, output)
             }
+
+            // Clean up bitmaps
+            originalBitmap.recycle()
+            if (orientedBitmap != originalBitmap) {
+                orientedBitmap.recycle()
+            }
+            compressedBitmap.recycle()
+
+            // Return relative path
+            "$IMAGES_DIR/$filename"
         } catch (e: Exception) {
             e.printStackTrace()
             null
         }
     }
     
+    /**
+     * Corrects image orientation based on EXIF data
+     */
+    private fun correctImageOrientation(context: Context, imageUri: Uri, bitmap: Bitmap): Bitmap {
+        return try {
+            val inputStream = context.contentResolver.openInputStream(imageUri)
+            inputStream?.use { input ->
+                val exif = android.media.ExifInterface(input)
+                val orientation = exif.getAttributeInt(
+                    android.media.ExifInterface.TAG_ORIENTATION,
+                    android.media.ExifInterface.ORIENTATION_NORMAL
+                )
+                
+                val matrix = android.graphics.Matrix()
+                when (orientation) {
+                    android.media.ExifInterface.ORIENTATION_ROTATE_90 -> {
+                        matrix.postRotate(90f)
+                    }
+                    android.media.ExifInterface.ORIENTATION_ROTATE_180 -> {
+                        matrix.postRotate(180f)
+                    }
+                    android.media.ExifInterface.ORIENTATION_ROTATE_270 -> {
+                        matrix.postRotate(270f)
+                    }
+                    android.media.ExifInterface.ORIENTATION_FLIP_HORIZONTAL -> {
+                        matrix.postScale(-1f, 1f)
+                    }
+                    android.media.ExifInterface.ORIENTATION_FLIP_VERTICAL -> {
+                        matrix.postScale(1f, -1f)
+                    }
+                    android.media.ExifInterface.ORIENTATION_TRANSPOSE -> {
+                        matrix.postRotate(90f)
+                        matrix.postScale(-1f, 1f)
+                    }
+                    android.media.ExifInterface.ORIENTATION_TRANSVERSE -> {
+                        matrix.postRotate(-90f)
+                        matrix.postScale(-1f, 1f)
+                    }
+                }
+                
+                if (matrix.isIdentity) {
+                    bitmap
+                } else {
+                    android.graphics.Bitmap.createBitmap(
+                        bitmap, 0, 0, bitmap.width, bitmap.height, matrix, true
+                    )
+                }
+            } ?: bitmap
+        } catch (e: Exception) {
+            e.printStackTrace()
+            bitmap
+        }
+    }
+    
     /**
      * Compresses and resizes an image bitmap
      */
+    @SuppressLint("UseKtx")
     private fun compressImage(original: Bitmap): Bitmap {
         val width = original.width
         val height = original.height
@@ -79,7 +139,7 @@ object ImageUtils {
         return if (scaleFactor < 1f) {
             val newWidth = (width * scaleFactor).toInt()
             val newHeight = (height * scaleFactor).toInt()
-            Bitmap.createScaledBitmap(original, newWidth, newHeight, true)
+            original.scale(newWidth, newHeight)
         } else {
             original
         }
@@ -110,30 +170,7 @@ object ImageUtils {
             false
         }
     }
-    
-    /**
-     * Copies an image file to export directory
-     * @param context Android context
-     * @param relativePath The relative path of the image
-     * @param exportDir The directory to copy to
-     * @return The filename in the export directory, null if failed
-     */
-    fun copyImageForExport(context: Context, relativePath: String, exportDir: File): String? {
-        return try {
-            val sourceFile = getImageFile(context, relativePath)
-            if (!sourceFile.exists()) return null
-            
-            val filename = sourceFile.name
-            val destFile = File(exportDir, filename)
-            
-            sourceFile.copyTo(destFile, overwrite = true)
-            filename
-        } catch (e: Exception) {
-            e.printStackTrace()
-            null
-        }
-    }
-    
+
     /**
      * Imports an image file from the import directory
      * @param context Android context

app/src/main/java/com/atridad/openclimb/utils/NotificationPermissionUtils.kt

@@ -0,0 +1,33 @@
+package com.atridad.openclimb.utils
+
+import android.Manifest
+import android.content.Context
+import android.content.pm.PackageManager
+import androidx.core.content.ContextCompat
+
+object NotificationPermissionUtils {
+    
+    /**
+     * Check if notification permission is granted
+     */
+    fun isNotificationPermissionGranted(context: Context): Boolean {
+        return ContextCompat.checkSelfPermission(
+            context,
+            Manifest.permission.POST_NOTIFICATIONS
+        ) == PackageManager.PERMISSION_GRANTED
+    }
+    
+    /**
+     * Check if notification permission should be requested
+     */
+    fun shouldRequestNotificationPermission(): Boolean {
+        return true
+    }
+    
+    /**
+     * Get the notification permission string
+     */
+    fun getNotificationPermissionString(): String {
+        return Manifest.permission.POST_NOTIFICATIONS
+    }
+}

app/src/main/java/com/atridad/openclimb/utils/SessionShareUtils.kt

@@ -11,6 +11,8 @@ import java.io.FileOutputStream
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
 import kotlin.math.roundToInt
+import androidx.core.graphics.createBitmap
+import androidx.core.graphics.toColorInt
 
 object SessionShareUtils {
     
@@ -22,7 +24,8 @@ object SessionShareUtils {
         val uniqueProblemsCompleted: Int,
         val averageGrade: String?,
         val sessionDuration: String,
-        val topResult: AttemptResult?
+        val topResult: AttemptResult?,
+        val topGrade: String?
     )
     
     fun calculateSessionStats(
@@ -32,9 +35,7 @@ object SessionShareUtils {
     ): SessionStats {
         val successfulResults = listOf(
             AttemptResult.SUCCESS, 
-            AttemptResult.FLASH, 
-            AttemptResult.REDPOINT, 
-            AttemptResult.ONSIGHT
+            AttemptResult.FLASH
         )
         
         val successfulAttempts = attempts.filter { it.result in successfulResults }
@@ -42,22 +43,39 @@ object SessionShareUtils {
         val uniqueCompletedProblems = successfulAttempts.map { it.problemId }.distinct()
         
         val attemptedProblems = problems.filter { it.id in uniqueProblems }
-        val averageGrade = if (attemptedProblems.isNotEmpty()) {
-            // This is a simplified average - in reality you'd need proper grade conversion
-            val gradeValues = attemptedProblems.mapNotNull { problem ->
-                problem.difficulty.grade.filter { it.isDigit() }.toIntOrNull()
-            }
-            if (gradeValues.isNotEmpty()) {
-                "V${gradeValues.average().roundToInt()}"
-            } else null
-        } else null
+        
+        // Calculate separate averages for different climbing types and difficulty systems
+        val boulderProblems = attemptedProblems.filter { it.climbType == ClimbType.BOULDER }
+        val ropeProblems = attemptedProblems.filter { it.climbType == ClimbType.ROPE }
+        
+        val boulderAverage = calculateAverageGrade(boulderProblems, "Boulder")
+        val ropeAverage = calculateAverageGrade(ropeProblems, "Rope")
+        
+        // Combine averages for display
+        val averageGrade = when {
+            boulderAverage != null && ropeAverage != null -> "$boulderAverage / $ropeAverage"
+            boulderAverage != null -> boulderAverage
+            ropeAverage != null -> ropeAverage
+            else -> null
+        }
+        
+        // Determine highest achieved grade (only from completed problems: SUCCESS or FLASH)
+        val completedProblems = problems.filter { it.id in uniqueCompletedProblems }
+        val completedBoulder = completedProblems.filter { it.climbType == ClimbType.BOULDER }
+        val completedRope = completedProblems.filter { it.climbType == ClimbType.ROPE }
+        val topBoulder = highestGradeForProblems(completedBoulder)
+        val topRope = highestGradeForProblems(completedRope)
+        val topGrade = when {
+            topBoulder != null && topRope != null -> "$topBoulder / $topRope"
+            topBoulder != null -> topBoulder
+            topRope != null -> topRope
+            else -> null
+        }
         
         val duration = if (session.duration != null) "${session.duration}m" else "Unknown"
         val topResult = attempts.maxByOrNull { 
             when (it.result) {
-                AttemptResult.ONSIGHT -> 5
-                AttemptResult.FLASH -> 4
-                AttemptResult.REDPOINT -> 3
+                AttemptResult.FLASH -> 3
                 AttemptResult.SUCCESS -> 2
                 AttemptResult.FALL -> 1
                 else -> 0
@@ -72,34 +90,81 @@ object SessionShareUtils {
             uniqueProblemsCompleted = uniqueCompletedProblems.size,
             averageGrade = averageGrade,
             sessionDuration = duration,
-            topResult = topResult
+            topResult = topResult,
+            topGrade = topGrade
         )
     }
     
-    private fun calculateDuration(startTime: String?, endTime: String?): String {
-        return try {
-            if (startTime != null && endTime != null) {
-                val formatter = DateTimeFormatter.ISO_LOCAL_DATE_TIME
-                val start = LocalDateTime.parse(startTime, formatter)
-                val end = LocalDateTime.parse(endTime, formatter)
-                val duration = java.time.Duration.between(start, end)
-                
-                val hours = duration.toHours()
-                val minutes = duration.toMinutes() % 60
-                
-                when {
-                    hours > 0 -> "${hours}h ${minutes}m"
-                    minutes > 0 -> "${minutes}m"
-                    else -> "< 1m"
+    /**
+     * Calculate average grade for a specific set of problems, respecting their difficulty systems
+     */
+    private fun calculateAverageGrade(problems: List<Problem>, climbingType: String): String? {
+        if (problems.isEmpty()) return null
+        
+        // Group problems by difficulty system
+        val problemsBySystem = problems.groupBy { it.difficulty.system }
+        
+        val averages = mutableListOf<String>()
+        
+        problemsBySystem.forEach { (system, systemProblems) ->
+            when (system) {
+                DifficultySystem.V_SCALE -> {
+                    val gradeValues = systemProblems.mapNotNull { problem ->
+                        when {
+                            problem.difficulty.grade == "VB" -> 0
+                            else -> problem.difficulty.grade.removePrefix("V").toIntOrNull()
+                        }
+                    }
+                    if (gradeValues.isNotEmpty()) {
+                        val avg = gradeValues.average().roundToInt()
+                        averages.add(if (avg == 0) "VB" else "V$avg")
+                    }
+                }
+                DifficultySystem.FONT -> {
+                    val gradeValues = systemProblems.mapNotNull { problem ->
+                        // Extract numeric part from Font grades (e.g., "6A" -> 6, "7C+" -> 7)
+                        problem.difficulty.grade.filter { it.isDigit() }.toIntOrNull()
+                    }
+                    if (gradeValues.isNotEmpty()) {
+                        val avg = gradeValues.average().roundToInt()
+                        averages.add("$avg")
+                    }
+                }
+                DifficultySystem.YDS -> {
+                    val gradeValues = systemProblems.mapNotNull { problem ->
+                        // Extract numeric part from YDS grades (e.g., "5.10a" -> 5.10)
+                        val grade = problem.difficulty.grade
+                        if (grade.startsWith("5.")) {
+                            grade.substring(2).toDoubleOrNull()
+                        } else null
+                    }
+                    if (gradeValues.isNotEmpty()) {
+                        val avg = gradeValues.average()
+                        averages.add("5.${String.format("%.1f", avg)}")
+                    }
+                }
+                DifficultySystem.CUSTOM -> {
+                    // For custom systems, try to extract numeric values
+                    val gradeValues = systemProblems.mapNotNull { problem ->
+                        problem.difficulty.grade.filter { it.isDigit() || it == '.' || it == '-' }.toDoubleOrNull()
+                    }
+                    if (gradeValues.isNotEmpty()) {
+                        val avg = gradeValues.average()
+                        averages.add(String.format("%.1f", avg))
+                    }
                 }
-            } else {
-                "Unknown"
             }
-        } catch (e: Exception) {
-            "Unknown"
         }
+        
+        return if (averages.isNotEmpty()) {
+            if (averages.size == 1) {
+                averages.first()
+            } else {
+                averages.joinToString(" / ")
+            }
+        } else null
     }
-    
+
     fun generateShareCard(
         context: Context,
         session: ClimbSession,
@@ -107,17 +172,17 @@ object SessionShareUtils {
         stats: SessionStats
     ): File? {
         return try {
-            val width = 1080
-            val height = 1350
+            val width = 1242 // 3:4 aspect at higher resolution for better fit
+            val height = 1656
             
-            val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
+            val bitmap = createBitmap(width, height)
             val canvas = Canvas(bitmap)
             
             val gradientDrawable = GradientDrawable(
                 GradientDrawable.Orientation.TOP_BOTTOM,
                 intArrayOf(
-                    Color.parseColor("#667eea"),
-                    Color.parseColor("#764ba2")
+                    "#667eea".toColorInt(),
+                    "#764ba2".toColorInt()
                 )
             )
             gradientDrawable.setBounds(0, 0, width, height)
@@ -133,7 +198,7 @@ object SessionShareUtils {
             }
             
             val subtitlePaint = Paint().apply {
-                color = Color.parseColor("#E8E8E8")
+                color = "#E8E8E8".toColorInt()
                 textSize = 48f
                 typeface = Typeface.DEFAULT
                 isAntiAlias = true
@@ -141,7 +206,7 @@ object SessionShareUtils {
             }
             
             val statLabelPaint = Paint().apply {
-                color = Color.parseColor("#B8B8B8")
+                color = "#B8B8B8".toColorInt()
                 textSize = 36f
                 typeface = Typeface.DEFAULT
                 isAntiAlias = true
@@ -157,12 +222,12 @@ object SessionShareUtils {
             }
             
             val cardPaint = Paint().apply {
-                color = Color.parseColor("#40FFFFFF")
+                color = "#40FFFFFF".toColorInt()
                 isAntiAlias = true
             }
             
             // Draw main card background
-            val cardRect = RectF(60f, 200f, width - 60f, height - 100f)
+            val cardRect = RectF(60f, 200f, width - 60f, height - 120f)
             canvas.drawRoundRect(cardRect, 40f, 40f, cardPaint)
             
             // Draw content
@@ -183,35 +248,48 @@ object SessionShareUtils {
             // Stats grid
             val statsStartY = yPosition
             val columnWidth = width / 2f
+            val columnMaxTextWidth = columnWidth - 120f
             
             // Left column stats
             var leftY = statsStartY
-            drawStatItem(canvas, columnWidth / 2f, leftY, "Attempts", stats.totalAttempts.toString(), statLabelPaint, statValuePaint)
-            leftY += 140f
-            drawStatItem(canvas, columnWidth / 2f, leftY, "Problems", stats.uniqueProblemsAttempted.toString(), statLabelPaint, statValuePaint)
-            leftY += 140f
-            drawStatItem(canvas, columnWidth / 2f, leftY, "Duration", stats.sessionDuration, statLabelPaint, statValuePaint)
+            drawStatItemFitting(canvas, columnWidth / 2f, leftY, "Attempts", stats.totalAttempts.toString(), statLabelPaint, statValuePaint, columnMaxTextWidth)
+            leftY += 120f
+            drawStatItemFitting(canvas, columnWidth / 2f, leftY, "Problems", stats.uniqueProblemsAttempted.toString(), statLabelPaint, statValuePaint, columnMaxTextWidth)
+            leftY += 120f
+            drawStatItemFitting(canvas, columnWidth / 2f, leftY, "Duration", stats.sessionDuration, statLabelPaint, statValuePaint, columnMaxTextWidth)
             
             // Right column stats
             var rightY = statsStartY
-            drawStatItem(canvas, width - columnWidth / 2f, rightY, "Successful", stats.successfulAttempts.toString(), statLabelPaint, statValuePaint)
-            rightY += 140f
-            drawStatItem(canvas, width - columnWidth / 2f, rightY, "Completed", stats.uniqueProblemsCompleted.toString(), statLabelPaint, statValuePaint)
-            rightY += 140f
+            drawStatItemFitting(canvas, width - columnWidth / 2f, rightY, "Successful", stats.successfulAttempts.toString(), statLabelPaint, statValuePaint, columnMaxTextWidth)
+            rightY += 120f
+            drawStatItemFitting(canvas, width - columnWidth / 2f, rightY, "Completed", stats.uniqueProblemsCompleted.toString(), statLabelPaint, statValuePaint, columnMaxTextWidth)
+            rightY += 120f
             
-            stats.averageGrade?.let { grade ->
-                drawStatItem(canvas, width - columnWidth / 2f, rightY, "Avg Grade", grade, statLabelPaint, statValuePaint)
+            var rightYAfter = rightY
+            stats.topGrade?.let { grade ->
+                drawStatItemFitting(canvas, width - columnWidth / 2f, rightY, "Top Grade", grade, statLabelPaint, statValuePaint, columnMaxTextWidth)
+                rightYAfter += 120f
             }
             
-            // Success rate arc
-            if (stats.totalAttempts > 0) {
-                val successRate = (stats.successfulAttempts.toFloat() / stats.totalAttempts) * 100
-                drawSuccessRateArc(canvas, width / 2f, height - 280f, successRate, statLabelPaint, statValuePaint)
+            // Grade range(s)
+            val boulderRange = gradeRangeForProblems(stats.problems.filter { it.climbType == ClimbType.BOULDER })
+            val ropeRange = gradeRangeForProblems(stats.problems.filter { it.climbType == ClimbType.ROPE })
+            val rangesY = kotlin.math.max(leftY, rightYAfter) + 120f
+            if (boulderRange != null && ropeRange != null) {
+                // Two evenly spaced items
+                drawStatItemFitting(canvas, columnWidth / 2f, rangesY, "Boulder Range", boulderRange, statLabelPaint, statValuePaint, columnMaxTextWidth)
+                drawStatItemFitting(canvas, width - columnWidth / 2f, rangesY, "Rope Range", ropeRange, statLabelPaint, statValuePaint, columnMaxTextWidth)
+            } else if (boulderRange != null || ropeRange != null) {
+                // Single centered item
+                val singleRange = boulderRange ?: ropeRange ?: ""
+                drawStatItemFitting(canvas, width / 2f, rangesY, "Grade Range", singleRange, statLabelPaint, statValuePaint, width - 200f)
             }
             
+
+            
             // App branding
             val brandingPaint = Paint().apply {
-                color = Color.parseColor("#80FFFFFF")
+                color = "#80FFFFFF".toColorInt()
                 textSize = 32f
                 typeface = Typeface.DEFAULT
                 isAntiAlias = true
@@ -255,57 +333,50 @@ object SessionShareUtils {
         canvas.drawText(label, x, y + 50f, labelPaint)
     }
     
-    private fun drawSuccessRateArc(
+    /**
+     * Draws a stat item while fitting the value text to a max width by reducing text size if needed.
+     */
+    private fun drawStatItemFitting(
         canvas: Canvas,
-        centerX: Float,
-        centerY: Float,
-        successRate: Float,
+        x: Float,
+        y: Float,
+        label: String,
+        value: String,
         labelPaint: Paint,
-        valuePaint: Paint
+        valuePaint: Paint,
+        maxTextWidth: Float
     ) {
-        val radius = 80f
-        val strokeWidth = 16f
-        
-        // Background arc
-        val bgPaint = Paint().apply {
-            color = Color.parseColor("#40FFFFFF")
-            style = Paint.Style.STROKE
-            this.strokeWidth = strokeWidth
-            isAntiAlias = true
-            strokeCap = Paint.Cap.ROUND
+        val tempPaint = Paint(valuePaint)
+        var textSize = tempPaint.textSize
+        var textWidth = tempPaint.measureText(value)
+        while (textWidth > maxTextWidth && textSize > 36f) {
+            textSize -= 2f
+            tempPaint.textSize = textSize
+            textWidth = tempPaint.measureText(value)
         }
-        
-        // Success arc
-        val successPaint = Paint().apply {
-            color = Color.parseColor("#4CAF50")
-            style = Paint.Style.STROKE
-            this.strokeWidth = strokeWidth
-            isAntiAlias = true
-            strokeCap = Paint.Cap.ROUND
-        }
-        
-        val rect = RectF(centerX - radius, centerY - radius, centerX + radius, centerY + radius)
-        
-        // Draw background arc (full circle)
-        canvas.drawArc(rect, -90f, 360f, false, bgPaint)
-        
-        // Draw success arc
-        val sweepAngle = (successRate / 100f) * 360f
-        canvas.drawArc(rect, -90f, sweepAngle, false, successPaint)
-        
-        // Draw percentage text
-        val percentText = "${successRate.roundToInt()}%"
-        canvas.drawText(percentText, centerX, centerY + 10f, valuePaint)
-        canvas.drawText("Success Rate", centerX, centerY + 60f, labelPaint)
+        canvas.drawText(value, x, y, tempPaint)
+        canvas.drawText(label, x, y + 50f, labelPaint)
     }
     
+    /**
+     * Returns a range string like "X - Y" for the given problems, based on their difficulty grades.
+     */
+    private fun gradeRangeForProblems(problems: List<Problem>): String? {
+        if (problems.isEmpty()) return null
+        val grades = problems.map { it.difficulty }
+        val sorted = grades.sortedWith { a, b -> a.compareTo(b) }
+        return "${sorted.first().grade} - ${sorted.last().grade}"
+    }
+    
+
+    
     private fun formatSessionDate(dateString: String): String {
         return try {
             val formatter = DateTimeFormatter.ISO_LOCAL_DATE_TIME
             val date = LocalDateTime.parse(dateString, formatter)
             val displayFormatter = DateTimeFormatter.ofPattern("MMMM dd, yyyy")
             date.format(displayFormatter)
-        } catch (e: Exception) {
+        } catch (_: Exception) {
             dateString.take(10)
         }
     }
@@ -333,4 +404,48 @@ object SessionShareUtils {
             e.printStackTrace()
         }
     }
+
+    /**
+     * Returns the highest grade string among the given problems, respecting their difficulty system.
+     */
+    private fun highestGradeForProblems(problems: List<Problem>): String? {
+        if (problems.isEmpty()) return null
+        return problems.maxByOrNull { p -> gradeRank(p.difficulty.system, p.difficulty.grade) }?.difficulty?.grade
+    }
+
+    /**
+     * Produces a comparable numeric rank for grades across supported systems.
+     */
+    private fun gradeRank(system: DifficultySystem, grade: String): Double {
+        return when (system) {
+            DifficultySystem.V_SCALE -> {
+                if (grade == "VB") 0.0 else grade.removePrefix("V").toDoubleOrNull() ?: -1.0
+            }
+            DifficultySystem.FONT -> {
+                val list = DifficultySystem.FONT.getAvailableGrades()
+                val idx = list.indexOf(grade.uppercase())
+                if (idx >= 0) idx.toDouble() else grade.filter { it.isDigit() }.toDoubleOrNull() ?: -1.0
+            }
+            DifficultySystem.YDS -> {
+                // Parse 5.X with optional letter a-d
+                val s = grade.lowercase()
+                if (!s.startsWith("5.")) return -1.0
+                val tail = s.removePrefix("5.")
+                val numberPart = tail.takeWhile { it.isDigit() || it == '.' }
+                val letterPart = tail.drop(numberPart.length).firstOrNull()
+                val base = numberPart.toDoubleOrNull() ?: return -1.0
+                val letterWeight = when (letterPart) {
+                    'a' -> 0.0
+                    'b' -> 0.1
+                    'c' -> 0.2
+                    'd' -> 0.3
+                    else -> 0.0
+                }
+                base + letterWeight
+            }
+            DifficultySystem.CUSTOM -> {
+                grade.filter { it.isDigit() || it == '.' || it == '-' }.toDoubleOrNull() ?: -1.0
+            }
+        }
+    }
 }

app/src/main/java/com/atridad/openclimb/utils/ZipExportImportUtils.kt

@@ -1,7 +1,6 @@
 package com.atridad.openclimb.utils
 
 import android.content.Context
-import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import java.io.File
 import java.io.FileInputStream
@@ -16,6 +15,7 @@ object ZipExportImportUtils {
     
     private const val DATA_JSON_FILENAME = "data.json"
     private const val IMAGES_DIR_NAME = "images"
+    private const val METADATA_FILENAME = "metadata.txt"
     
     /**
      * Creates a ZIP file containing the JSON data and all referenced images
@@ -39,37 +39,67 @@ object ZipExportImportUtils {
         val timestamp = LocalDateTime.now().toString().replace(":", "-").replace(".", "-")
         val zipFile = File(exportDir, "openclimb_export_$timestamp.zip")
         
-        ZipOutputStream(FileOutputStream(zipFile)).use { zipOut ->
-            // Add JSON data file
-            val json = Json { prettyPrint = true }
-            val jsonString = json.encodeToString(com.atridad.openclimb.data.repository.ClimbDataExport.serializer(), exportData)
-            
-            val jsonEntry = ZipEntry(DATA_JSON_FILENAME)
-            zipOut.putNextEntry(jsonEntry)
-            zipOut.write(jsonString.toByteArray())
-            zipOut.closeEntry()
-            
-            // Add images
-            referencedImagePaths.forEach { imagePath ->
-                try {
-                    val imageFile = ImageUtils.getImageFile(context, imagePath)
-                    if (imageFile.exists()) {
-                        val imageEntry = ZipEntry("$IMAGES_DIR_NAME/${imageFile.name}")
-                        zipOut.putNextEntry(imageEntry)
-                        
-                        FileInputStream(imageFile).use { imageInput ->
-                            imageInput.copyTo(zipOut)
-                        }
-                        zipOut.closeEntry()
-                    }
-                } catch (e: Exception) {
-                    // Log error but continue with other images
-                    e.printStackTrace()
+        try {
+            ZipOutputStream(FileOutputStream(zipFile)).use { zipOut ->
+                // Add metadata file first
+                val metadata = createMetadata(exportData, referencedImagePaths)
+                val metadataEntry = ZipEntry(METADATA_FILENAME)
+                zipOut.putNextEntry(metadataEntry)
+                zipOut.write(metadata.toByteArray())
+                zipOut.closeEntry()
+                
+                // Add JSON data file
+                val json = Json { 
+                    prettyPrint = true 
+                    ignoreUnknownKeys = true
                 }
+                val jsonString = json.encodeToString(com.atridad.openclimb.data.repository.ClimbDataExport.serializer(), exportData)
+                
+                val jsonEntry = ZipEntry(DATA_JSON_FILENAME)
+                zipOut.putNextEntry(jsonEntry)
+                zipOut.write(jsonString.toByteArray())
+                zipOut.closeEntry()
+                
+                // Add images with validation
+                var successfulImages = 0
+                referencedImagePaths.forEach { imagePath ->
+                    try {
+                        val imageFile = ImageUtils.getImageFile(context, imagePath)
+                        if (imageFile.exists() && imageFile.length() > 0) {
+                            val imageEntry = ZipEntry("$IMAGES_DIR_NAME/${imageFile.name}")
+                            zipOut.putNextEntry(imageEntry)
+                            
+                            FileInputStream(imageFile).use { imageInput ->
+                                imageInput.copyTo(zipOut)
+                            }
+                            zipOut.closeEntry()
+                            successfulImages++
+                        } else {
+                            android.util.Log.w("ZipExportImportUtils", "Image file not found or empty: $imagePath")
+                        }
+                    } catch (e: Exception) {
+                        android.util.Log.e("ZipExportImportUtils", "Failed to add image $imagePath: ${e.message}")
+                    }
+                }
+                
+                // Log export summary
+                android.util.Log.i("ZipExportImportUtils", "Export completed: ${successfulImages}/${referencedImagePaths.size} images included")
             }
+            
+            // Validate the created ZIP file
+            if (!zipFile.exists() || zipFile.length() == 0L) {
+                throw IOException("Failed to create ZIP file: file is empty or doesn't exist")
+            }
+            
+            return zipFile
+            
+        } catch (e: Exception) {
+            // Clean up failed export
+            if (zipFile.exists()) {
+                zipFile.delete()
+            }
+            throw IOException("Failed to create export ZIP: ${e.message}")
         }
-        
-        return zipFile
     }
     
     /**
@@ -85,37 +115,73 @@ object ZipExportImportUtils {
         exportData: com.atridad.openclimb.data.repository.ClimbDataExport,
         referencedImagePaths: Set<String>
     ) {
-        context.contentResolver.openOutputStream(uri)?.use { outputStream ->
-            ZipOutputStream(outputStream).use { zipOut ->
-                // Add JSON data file
-                val json = Json { prettyPrint = true }
-                val jsonString = json.encodeToString(com.atridad.openclimb.data.repository.ClimbDataExport.serializer(), exportData)
-                
-                val jsonEntry = ZipEntry(DATA_JSON_FILENAME)
-                zipOut.putNextEntry(jsonEntry)
-                zipOut.write(jsonString.toByteArray())
-                zipOut.closeEntry()
-                
-                // Add images
-                referencedImagePaths.forEach { imagePath ->
-                    try {
-                        val imageFile = ImageUtils.getImageFile(context, imagePath)
-                        if (imageFile.exists()) {
-                            val imageEntry = ZipEntry("$IMAGES_DIR_NAME/${imageFile.name}")
-                            zipOut.putNextEntry(imageEntry)
-                            
-                            FileInputStream(imageFile).use { imageInput ->
-                                imageInput.copyTo(zipOut)
-                            }
-                            zipOut.closeEntry()
-                        }
-                    } catch (e: Exception) {
-                        // Log error but continue with other images
-                        e.printStackTrace()
+        try {
+            context.contentResolver.openOutputStream(uri)?.use { outputStream ->
+                ZipOutputStream(outputStream).use { zipOut ->
+                    // Add metadata file first
+                    val metadata = createMetadata(exportData, referencedImagePaths)
+                    val metadataEntry = ZipEntry(METADATA_FILENAME)
+                    zipOut.putNextEntry(metadataEntry)
+                    zipOut.write(metadata.toByteArray())
+                    zipOut.closeEntry()
+                    
+                    // Add JSON data file
+                    val json = Json { 
+                        prettyPrint = true 
+                        ignoreUnknownKeys = true
                     }
+                    val jsonString = json.encodeToString(com.atridad.openclimb.data.repository.ClimbDataExport.serializer(), exportData)
+                    
+                    val jsonEntry = ZipEntry(DATA_JSON_FILENAME)
+                    zipOut.putNextEntry(jsonEntry)
+                    zipOut.write(jsonString.toByteArray())
+                    zipOut.closeEntry()
+                    
+                    // Add images with validation
+                    var successfulImages = 0
+                    referencedImagePaths.forEach { imagePath ->
+                        try {
+                            val imageFile = ImageUtils.getImageFile(context, imagePath)
+                            if (imageFile.exists() && imageFile.length() > 0) {
+                                val imageEntry = ZipEntry("$IMAGES_DIR_NAME/${imageFile.name}")
+                                zipOut.putNextEntry(imageEntry)
+                                
+                                FileInputStream(imageFile).use { imageInput ->
+                                    imageInput.copyTo(zipOut)
+                                }
+                                zipOut.closeEntry()
+                                successfulImages++
+                            }
+                        } catch (e: Exception) {
+                            android.util.Log.e("ZipExportImportUtils", "Failed to add image $imagePath: ${e.message}")
+                        }
+                    }
+                    
+                    android.util.Log.i("ZipExportImportUtils", "Export to URI completed: ${successfulImages}/${referencedImagePaths.size} images included")
                 }
-            }
-        } ?: throw IOException("Could not open output stream")
+            } ?: throw IOException("Could not open output stream")
+            
+        } catch (e: Exception) {
+            throw IOException("Failed to create export ZIP to URI: ${e.message}")
+        }
+    }
+    
+    private fun createMetadata(
+        exportData: com.atridad.openclimb.data.repository.ClimbDataExport,
+        referencedImagePaths: Set<String>
+    ): String {
+        return buildString {
+            appendLine("OpenClimb Export Metadata")
+            appendLine("=======================")
+            appendLine("Export Date: ${exportData.exportedAt}")
+            appendLine("Version: ${exportData.version}")
+            appendLine("Gyms: ${exportData.gyms.size}")
+            appendLine("Problems: ${exportData.problems.size}")
+            appendLine("Sessions: ${exportData.sessions.size}")
+            appendLine("Attempts: ${exportData.attempts.size}")
+            appendLine("Referenced Images: ${referencedImagePaths.size}")
+            appendLine("Format: ZIP with embedded JSON data and images")
+        }
     }
     
     /**
@@ -134,59 +200,91 @@ object ZipExportImportUtils {
      */
     fun extractImportZip(context: Context, zipFile: File): ImportResult {
         var jsonContent = ""
+        var metadataContent = ""
         val importedImagePaths = mutableMapOf<String, String>()
+        var foundRequiredFiles = mutableSetOf<String>()
         
-        ZipInputStream(FileInputStream(zipFile)).use { zipIn ->
-            var entry = zipIn.nextEntry
-            
-            while (entry != null) {
-                when {
-                    entry.name == DATA_JSON_FILENAME -> {
-                        // Read JSON data
-                        jsonContent = zipIn.readBytes().toString(Charsets.UTF_8)
+        try {
+            ZipInputStream(FileInputStream(zipFile)).use { zipIn ->
+                var entry = zipIn.nextEntry
+                
+                while (entry != null) {
+                    when {
+                        entry.name == METADATA_FILENAME -> {
+                            // Read metadata for validation
+                            metadataContent = zipIn.readBytes().toString(Charsets.UTF_8)
+                            foundRequiredFiles.add("metadata")
+                            android.util.Log.i("ZipExportImportUtils", "Found metadata: ${metadataContent.lines().take(3).joinToString()}")
+                        }
+                        
+                        entry.name == DATA_JSON_FILENAME -> {
+                            // Read JSON data
+                            jsonContent = zipIn.readBytes().toString(Charsets.UTF_8)
+                            foundRequiredFiles.add("data")
+                        }
+                        
+                        entry.name.startsWith("$IMAGES_DIR_NAME/") && !entry.isDirectory -> {
+                            // Extract image file
+                            val originalFilename = entry.name.substringAfter("$IMAGES_DIR_NAME/")
+                            
+                            try {
+                                // Create temporary file to hold the extracted image
+                                val tempFile = File.createTempFile("import_image_", "_$originalFilename", context.cacheDir)
+                                
+                                FileOutputStream(tempFile).use { output ->
+                                    zipIn.copyTo(output)
+                                }
+                                
+                                // Validate the extracted image
+                                if (tempFile.exists() && tempFile.length() > 0) {
+                                    // Import the image to permanent storage
+                                    val newPath = ImageUtils.importImageFile(context, tempFile)
+                                    if (newPath != null) {
+                                        importedImagePaths[originalFilename] = newPath
+                                        android.util.Log.d("ZipExportImportUtils", "Successfully imported image: $originalFilename -> $newPath")
+                                    } else {
+                                        android.util.Log.w("ZipExportImportUtils", "Failed to import image: $originalFilename")
+                                    }
+                                } else {
+                                    android.util.Log.w("ZipExportImportUtils", "Extracted image is empty: $originalFilename")
+                                }
+                                
+                                // Clean up temp file
+                                tempFile.delete()
+                                
+                            } catch (e: Exception) {
+                                android.util.Log.e("ZipExportImportUtils", "Failed to process image $originalFilename: ${e.message}")
+                            }
+                        }
+                        
+                        else -> {
+                            android.util.Log.d("ZipExportImportUtils", "Skipping ZIP entry: ${entry.name}")
+                        }
                     }
                     
-                    entry.name.startsWith("$IMAGES_DIR_NAME/") && !entry.isDirectory -> {
-                        // Extract image file
-                        val originalFilename = entry.name.substringAfter("$IMAGES_DIR_NAME/")
-                        
-                        // Create temporary file to hold the extracted image
-                        val tempFile = File.createTempFile("import_image_", "_$originalFilename", context.cacheDir)
-                        
-                        FileOutputStream(tempFile).use { output ->
-                            zipIn.copyTo(output)
-                        }
-                        
-                        // Import the image to permanent storage
-                        val newPath = ImageUtils.importImageFile(context, tempFile)
-                        if (newPath != null) {
-                            importedImagePaths[originalFilename] = newPath
-                        }
-                        
-                        // Clean up temp file
-                        tempFile.delete()
-                    }
+                    zipIn.closeEntry()
+                    entry = zipIn.nextEntry
                 }
-                
-                zipIn.closeEntry()
-                entry = zipIn.nextEntry
             }
+            
+            // Validate that we found the required files
+            if (!foundRequiredFiles.contains("data")) {
+                throw IOException("Invalid ZIP file: data.json not found")
+            }
+            
+            if (jsonContent.isBlank()) {
+                throw IOException("Invalid ZIP file: data.json is empty")
+            }
+            
+            android.util.Log.i("ZipExportImportUtils", "Import extraction completed: ${importedImagePaths.size} images processed")
+            
+            return ImportResult(jsonContent, importedImagePaths)
+            
+        } catch (e: Exception) {
+            throw IOException("Failed to extract import ZIP: ${e.message}")
         }
-        
-        if (jsonContent.isEmpty()) {
-            throw IOException("No data.json file found in the ZIP archive")
-        }
-        
-        return ImportResult(jsonContent, importedImagePaths)
     }
-    
-    /**
-     * Utility function to determine if a file is a ZIP file based on extension
-     */
-    fun isZipFile(filename: String): Boolean {
-        return filename.lowercase().endsWith(".zip")
-    }
-    
+
     /**
      * Updates image paths in a problem list after import
      * This function maps the old image paths to the new ones after import

app/src/main/res/drawable/ic_launcher_background.xml

@@ -4,167 +4,8 @@
     android:height="108dp"
     android:viewportWidth="108"
     android:viewportHeight="108">
-    <path
-        android:fillColor="#3DDC84"
-        android:pathData="M0,0h108v108h-108z" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M9,0L9,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,0L19,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,0L29,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,0L39,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,0L49,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,0L59,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,0L69,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,0L79,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M89,0L89,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M99,0L99,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,9L108,9"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,19L108,19"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,29L108,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,39L108,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,49L108,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,59L108,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,69L108,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,79L108,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,89L108,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,99L108,99"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,29L89,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,39L89,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,49L89,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,59L89,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,69L89,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,79L89,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,19L29,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,19L39,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,19L49,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,19L59,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,19L69,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,19L79,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-</vector>
+    
+    <!-- Clean white background -->
+    <path android:fillColor="#FFFFFF"
+        android:pathData="M0,0h108v108h-108z"/>
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -1,30 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
     android:width="108dp"
     android:height="108dp"
     android:viewportWidth="108"
     android:viewportHeight="108">
-    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                android:endX="85.84757"
-                android:endY="92.4963"
-                android:startX="42.9492"
-                android:startY="49.59793"
-                android:type="linear">
-                <item
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-        android:fillColor="#FFFFFF"
-        android:fillType="nonZero"
-        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
-        android:strokeWidth="1"
-        android:strokeColor="#00000000" />
+    
+    <group
+        android:scaleX="0.7"
+        android:scaleY="0.7"
+        android:translateX="16.2"
+        android:translateY="20">
+        
+        <!-- Left mountain (yellow/amber) -->
+        <path
+            android:fillColor="#FFC107"
+            android:strokeColor="#1C1C1C"
+            android:strokeWidth="3"
+            android:strokeLineJoin="round"
+            android:pathData="M15,70 L35,25 L55,70 Z" />
+        
+        <!-- Right mountain (red) -->
+        <path
+            android:fillColor="#F44336"
+            android:strokeColor="#1C1C1C"
+            android:strokeWidth="3"
+            android:strokeLineJoin="round"
+            android:pathData="M40,70 L65,15 L90,70 Z" />
+    </group>
 </vector>

app/src/main/res/drawable/ic_mountains.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    
+    <!-- Left mountain (yellow/amber) -->
+    <path
+        android:fillColor="#FFC107"
+        android:pathData="M3,18 L8,9 L13,18 Z" />
+    
+    <!-- Right mountain (red) -->
+    <path
+        android:fillColor="#F44336"
+        android:pathData="M11,18 L16,7 L21,18 Z" />
+    
+    <!-- Black outlines -->
+    <path
+        android:fillColor="@android:color/transparent"
+        android:strokeColor="#1C1C1C"
+        android:strokeWidth="1"
+        android:strokeLineJoin="round"
+        android:pathData="M3,18 L8,9 L13,18" />
+    
+    <path
+        android:fillColor="@android:color/transparent"
+        android:strokeColor="#1C1C1C"
+        android:strokeWidth="1"
+        android:strokeLineJoin="round"
+        android:pathData="M11,18 L16,7 L21,18" />
+</vector>

app/src/main/res/values-night/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Splash background (dark) -->
+    <color name="splash_background">#FF121212</color>
+</resources>
+

app/src/main/res/values/colors.xml

@@ -7,4 +7,7 @@
     <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
+
+    <!-- Splash background (light) -->
+    <color name="splash_background">#FFFFFFFF</color>
 </resources>

app/src/main/res/values/strings.xml

@@ -1,3 +1,4 @@
 <resources>
     <string name="app_name">OpenClimb</string>
+    <string name="session_tracking_service_description">Tracks active climbing sessions and displays session information in the notification area</string>
 </resources>

app/src/main/res/values/themes.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-
     <style name="Theme.OpenClimb" parent="android:Theme.Material.Light.NoActionBar" />
+
+    <style name="Theme.OpenClimb.Splash" parent="Theme.OpenClimb">
+        <item name="android:windowSplashScreenBackground">@color/splash_background</item>
+        <item name="android:windowSplashScreenAnimatedIcon">@drawable/ic_mountains</item>
+        <item name="android:windowSplashScreenAnimationDuration">200</item>
+    </style>
 </resources>

gradle/libs.versions.toml

@@ -1,26 +1,34 @@
 [versions]
-agp = "8.9.1"
-kotlin = "2.0.21"
-coreKtx = "1.15.0"
+agp = "8.12.2"
+kotlin = "2.2.10"
+coreKtx = "1.17.0"
 junit = "4.13.2"
 junitVersion = "1.3.0"
 espressoCore = "3.7.0"
-lifecycleRuntimeKtx = "2.9.2"
+androidxTestCore = "1.7.0"
+androidxTestExt = "1.3.0"
+androidxTestRunner = "1.7.0"
+androidxTestRules = "1.7.0"
+lifecycleRuntimeKtx = "2.9.3"
 activityCompose = "1.10.1"
-composeBom = "2024.09.00"
-room = "2.6.1"
-navigation = "2.8.4"
-viewmodel = "2.9.2"
-kotlinxSerialization = "1.7.1"
-kotlinxCoroutines = "1.9.0"
+composeBom = "2025.08.01"
+room = "2.7.2"
+navigation = "2.9.3"
+viewmodel = "2.9.3"
+kotlinxSerialization = "1.9.0"
+kotlinxCoroutines = "1.10.2"
 coil = "2.7.0"
-ksp = "2.0.21-1.0.25"
+ksp = "2.2.10-2.0.2"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-test-core = { group = "androidx.test", name = "core", version.ref = "androidxTestCore" }
+androidx-test-ext = { group = "androidx.test.ext", name = "junit", version.ref = "androidxTestExt" }
+androidx-test-runner = { group = "androidx.test", name = "runner", version.ref = "androidxTestRunner" }
+androidx-test-rules = { group = "androidx.test", name = "rules", version.ref = "androidxTestRules" }
 androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
 androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
 androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
@@ -48,12 +56,15 @@ kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-
 
 # Coroutines
 kotlinx-coroutines-android = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-android", version.ref = "kotlinxCoroutines" }
+kotlinx-coroutines-test = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-test", version.ref = "kotlinxCoroutines" }
+
+# Testing
+mockk = { group = "io.mockk", name = "mockk", version = "1.13.8" }
 
 # Image Loading
 coil-compose = { group = "io.coil-kt", name = "coil-compose", version.ref = "coil" }
 
-# Charts - MPAndroidChart for now, will be replaced with Vico when stable
-mpandroidchart = { group = "com.github.PhilJay", name = "MPAndroidChart", version = "v3.1.0" }
+
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Fri Aug 15 11:23:25 MDT 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists