Rebrand from MyCrib to Casera

- Rename Kotlin package from com.example.mycrib to com.example.casera
- Update Android app name, namespace, and application ID
- Update iOS bundle identifiers and project settings
- Rename iOS directories (MyCribTests -> CaseraTests, etc.)
- Update deep link schemes from mycrib:// to casera://
- Update app group identifiers
- Update subscription product IDs
- Update all UI strings and branding

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

composeApp/src/jvmMain/kotlin/com/example/casera/storage/TaskCacheManager.jvm.kt

@@ -0,0 +1,39 @@
+package com.casera.storage
+
+import java.io.File
+import java.util.prefs.Preferences
+
+/**
+ * JVM implementation of TaskCacheManager using Java Preferences.
+ */
+actual class TaskCacheManager {
+    private val prefs = Preferences.userRoot().node(NODE_NAME)
+
+    actual fun saveTasks(tasksJson: String) {
+        prefs.put(KEY_TASKS, tasksJson)
+        prefs.flush()
+    }
+
+    actual fun getTasks(): String? {
+        return prefs.get(KEY_TASKS, null)
+    }
+
+    actual fun clearTasks() {
+        prefs.remove(KEY_TASKS)
+        prefs.flush()
+    }
+
+    companion object {
+        private const val NODE_NAME = "com.casera.cache"
+        private const val KEY_TASKS = "cached_tasks"
+
+        @Volatile
+        private var instance: TaskCacheManager? = null
+
+        fun getInstance(): TaskCacheManager {
+            return instance ?: synchronized(this) {
+                instance ?: TaskCacheManager().also { instance = it }
+            }
+        }
+    }
+}

composeApp/src/jvmMain/kotlin/com/example/casera/storage/TaskCacheStorage.jvm.kt

@@ -0,0 +1,5 @@
+package com.casera.storage
+
+internal actual fun getPlatformTaskCacheManager(): TaskCacheManager? {
+    return TaskCacheManager.getInstance()
+}

composeApp/src/jvmMain/kotlin/com/example/casera/storage/TokenManager.jvm.kt

@@ -0,0 +1,38 @@
+package com.casera.storage
+
+import java.util.prefs.Preferences
+
+/**
+ * JVM implementation of TokenManager using Java Preferences API.
+ */
+actual class TokenManager {
+    private val prefs: Preferences = Preferences.userRoot().node(PREFS_NODE)
+
+    actual fun saveToken(token: String) {
+        prefs.put(KEY_TOKEN, token)
+        prefs.flush()
+    }
+
+    actual fun getToken(): String? {
+        return prefs.get(KEY_TOKEN, null)
+    }
+
+    actual fun clearToken() {
+        prefs.remove(KEY_TOKEN)
+        prefs.flush()
+    }
+
+    companion object {
+        private const val PREFS_NODE = "com.casera.app"
+        private const val KEY_TOKEN = "auth_token"
+
+        @Volatile
+        private var instance: TokenManager? = null
+
+        fun getInstance(): TokenManager {
+            return instance ?: synchronized(this) {
+                instance ?: TokenManager().also { instance = it }
+            }
+        }
+    }
+}

composeApp/src/jvmMain/kotlin/com/example/casera/storage/TokenStorage.jvm.kt

@@ -0,0 +1,5 @@
+package com.casera.storage
+
+internal actual fun getPlatformTokenManager(): TokenManager? {
+    return TokenManager.getInstance()
+}