Refine ProGuard rules: add crash reporting attributes, tighten Room/serialization keeps, preserve enums and framework classes

app/proguard-rules.pro

@@ -1,31 +1,39 @@
 # ProGuard rules for ESP32 ALDL Dashboard
 # Compose + Room + Kotlin Serialization + Navigation3
 
-# --- General ---
+# --- Crash stack traces: preserve file names and line numbers ---
+-keepattributes SourceFile,LineNumberTable
+-renamesourcefileattribute SourceFile
+
+# --- General reflection / generic type preservation ---
 -keepattributes *Annotation*
 -keepattributes Signature
 -keepattributes InnerClasses
 -keepattributes EnclosingMethod
 
 # --- Room ---
--keep class * extends androidx.room.RoomDatabase
--keep class * { @androidx.room.* <fields>; }
--dontwarn androidx.room.paging.**
+# RoomDatabase subclass is instantiated by reflection
+-keep class * extends androidx.room.RoomDatabase { *; }
+# Keep all @Entity, @Dao, @Database annotated members
+-keep @androidx.room.Entity class * { *; }
+-keep @androidx.room.Dao interface * { *; }
+-keep @androidx.room.Database class * { *; }
 
 # --- Kotlin Serialization ---
--keep class kotlinx.serialization.** { *; }
--keepclassmembers class ** {
-    static ** \]serializerInstance;
+# Only nav key objects annotated with @Serializable need explicit protection;
+# the Kotlin compiler plugin generates keep rules for everything else.
+-keep @kotlinx.serialization.Serializable class com.gronod.esp32aldldashboard.** { *; }
+
+# --- Enums ---
+# Preserve enum names used by Room, Bluetooth state, and conditional logic
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
 }
 
-# --- Compose / Navigation3 ---
--keep class androidx.navigation3.** { *; }
--keepclassmembers class * {
-    @androidx.compose.runtime.Composable <methods>;
-}
-
-# --- DataStore ---
--keep class androidx.datastore.** { *; }
-
-# --- Keep all app classes (safe for now) ---
--keep class com.gronod.esp32aldldashboard.** { *; }
+# --- Application, Service, ViewModel, and Factory ---
+# These are instantiated by the Android framework or ViewModelProvider via reflection
+-keep class com.gronod.esp32aldldashboard.AldlApplication { *; }
+-keep class com.gronod.esp32aldldashboard.bluetooth.BluetoothForegroundService { *; }
+-keep class * extends androidx.lifecycle.ViewModel { *; }
+-keep class * extends androidx.lifecycle.ViewModelProvider$Factory { *; }