fix: add missing ProGuard keep rules to prevent release crash

R8 was stripping Android components (services, application),
Room entities, Koin modules, and ViewModels — causing crash
when VoiceInteractionService was invoked via power button.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

app/proguard-rules.pro

@@ -1,27 +1,68 @@
 # Cyrene ProGuard Rules
 
-# Retrofit
--keepattributes Signature
+# --- Keep Android components declared in manifest ---
+# These are instantiated by the Android system via reflection
+-keep class top.yeij.cyrene.CyreneApplication { *; }
+-keep class top.yeij.cyrene.MainActivity { *; }
+-keep class top.yeij.cyrene.service.** { *; }
+
+# --- Kotlin ---
 -keepattributes *Annotation*
--keep class top.yeij.cyrene.data.remote.dto.** { *; }
--dontwarn retrofit2.**
--keep class retrofit2.** { *; }
-
-# Gson
--keep class com.google.gson.** { *; }
+-keepattributes Signature
+-keepattributes InnerClasses
 -keepattributes EnclosingMethod
+-dontwarn kotlin.**
 
-# OkHttp
+# --- Retrofit ---
+-keep class retrofit2.** { *; }
+-dontwarn retrofit2.**
+
+# --- Gson ---
+-keep class com.google.gson.** { *; }
+-keepclassmembers,allowobfuscation class * {
+    @com.google.gson.annotations.SerializedName <fields>;
+}
+# Keep all DTO classes and their members for Gson serialization
+-keep class top.yeij.cyrene.data.remote.dto.** { *; }
+-keepclassmembers class top.yeij.cyrene.data.remote.dto.** { *; }
+
+# --- OkHttp ---
 -dontwarn okhttp3.**
 -dontwarn okio.**
 
-# Room
--keep class * extends androidx.room.RoomDatabase
+# --- Room ---
+-keep class * extends androidx.room.RoomDatabase { *; }
+-keep class top.yeij.cyrene.data.local.entity.** { *; }
+-keepclassmembers class top.yeij.cyrene.data.local.entity.** { *; }
 -dontwarn androidx.room.paging.**
 
-# Koin
+# --- Koin ---
 -keep class org.koin.** { *; }
+-keep class top.yeij.cyrene.di.** { *; }
+-keepclassmembers class top.yeij.cyrene.di.** { *; }
 
-# Coroutines
+# --- Compose ---
+-dontwarn androidx.compose.**
+-keep class androidx.compose.** { *; }
+
+# --- Coroutines ---
 -keepnames class kotlinx.coroutines.internal.MainDispatcherFactory {}
 -keepnames class kotlinx.coroutines.CoroutineExceptionHandler {}
+
+# --- Keep domain models (used in StateFlow, SharedFlow, etc.) ---
+-keep class top.yeij.cyrene.domain.model.** { *; }
+
+# --- Keep ViewModels (Koin instantiates via reflection) ---
+-keep class top.yeij.cyrene.viewmodel.** { *; }
+-keepclassmembers class top.yeij.cyrene.viewmodel.** { *; }
+
+# --- Keep repository implementations (Koin binds by interface) ---
+-keep class top.yeij.cyrene.data.repository.** { *; }
+-keep class top.yeij.cyrene.domain.repository.** { *; }
+
+# --- Keep PreferencesDataStore (Koin injects) ---
+-keep class top.yeij.cyrene.data.local.PreferencesDataStore { *; }
+
+# --- General AndroidX ---
+-keep class androidx.lifecycle.** { *; }
+-dontwarn androidx.lifecycle.**