feat: add DB migration v3→v4 with new LocalPost columns for email, media, files

app/src/main/java/com/swoosh/microblog/data/db/AppDatabase.kt

@@ -9,7 +9,7 @@ import androidx.room.migration.Migration
 import androidx.sqlite.db.SupportSQLiteDatabase
 import com.swoosh.microblog.data.model.LocalPost
 
-@Database(entities = [LocalPost::class], version = 3, exportSchema = false)
+@Database(entities = [LocalPost::class], version = 4, exportSchema = false)
 @TypeConverters(Converters::class)
 abstract class AppDatabase : RoomDatabase() {
 
@@ -42,6 +42,25 @@ abstract class AppDatabase : RoomDatabase() {
             override fun migrate(db: SupportSQLiteDatabase) = addColumnsIfMissing(db)
         }
 
+        val MIGRATION_3_4 = object : Migration(3, 4) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                val columns = listOf(
+                    "ALTER TABLE local_posts ADD COLUMN emailOnly INTEGER NOT NULL DEFAULT 0",
+                    "ALTER TABLE local_posts ADD COLUMN newsletterSlug TEXT DEFAULT NULL",
+                    "ALTER TABLE local_posts ADD COLUMN videoUri TEXT DEFAULT NULL",
+                    "ALTER TABLE local_posts ADD COLUMN uploadedVideoUrl TEXT DEFAULT NULL",
+                    "ALTER TABLE local_posts ADD COLUMN audioUri TEXT DEFAULT NULL",
+                    "ALTER TABLE local_posts ADD COLUMN uploadedAudioUrl TEXT DEFAULT NULL",
+                    "ALTER TABLE local_posts ADD COLUMN fileUri TEXT DEFAULT NULL",
+                    "ALTER TABLE local_posts ADD COLUMN uploadedFileUrl TEXT DEFAULT NULL",
+                    "ALTER TABLE local_posts ADD COLUMN fileName TEXT DEFAULT NULL"
+                )
+                for (sql in columns) {
+                    try { db.execSQL(sql) } catch (_: Exception) { }
+                }
+            }
+        }
+
         fun getInstance(context: Context): AppDatabase {
             return INSTANCE ?: synchronized(this) {
                 val instance = Room.databaseBuilder(
@@ -49,7 +68,7 @@ abstract class AppDatabase : RoomDatabase() {
                     AppDatabase::class.java,
                     "swoosh_database"
                 )
-                    .addMigrations(MIGRATION_1_3, MIGRATION_2_3)
+                    .addMigrations(MIGRATION_1_3, MIGRATION_2_3, MIGRATION_3_4)
                     .fallbackToDestructiveMigration()
                     .build()
                 INSTANCE = instance

app/src/main/java/com/swoosh/microblog/data/db/Converters.kt

@@ -11,13 +11,21 @@ class Converters {
     fun fromPostStatus(value: PostStatus): String = value.name
 
     @TypeConverter
-    fun toPostStatus(value: String): PostStatus = PostStatus.valueOf(value)
+    fun toPostStatus(value: String): PostStatus = try {
+        PostStatus.valueOf(value)
+    } catch (_: Exception) {
+        PostStatus.DRAFT
+    }
 
     @TypeConverter
     fun fromQueueStatus(value: QueueStatus): String = value.name
 
     @TypeConverter
-    fun toQueueStatus(value: String): QueueStatus = QueueStatus.valueOf(value)
+    fun toQueueStatus(value: String): QueueStatus = try {
+        QueueStatus.valueOf(value)
+    } catch (_: Exception) {
+        QueueStatus.NONE
+    }
 
     companion object {
         private val gson = Gson()

app/src/main/java/com/swoosh/microblog/data/model/GhostModels.kt

@@ -89,7 +89,19 @@ data class LocalPost(
     val tags: String = "[]",
     val createdAt: Long = System.currentTimeMillis(),
     val updatedAt: Long = System.currentTimeMillis(),
-    val queueStatus: QueueStatus = QueueStatus.NONE
+    val queueStatus: QueueStatus = QueueStatus.NONE,
+    // Phase 4b: email-only
+    val emailOnly: Boolean = false,
+    val newsletterSlug: String? = null,
+    // Phase 5: media
+    val videoUri: String? = null,
+    val uploadedVideoUrl: String? = null,
+    val audioUri: String? = null,
+    val uploadedAudioUrl: String? = null,
+    // Phase 6: file
+    val fileUri: String? = null,
+    val uploadedFileUrl: String? = null,
+    val fileName: String? = null
 )
 
 enum class PostStatus {

app/src/test/java/com/swoosh/microblog/data/db/ConvertersTest.kt

@@ -56,9 +56,9 @@ class ConvertersTest {
         }
     }
 
-    @Test(expected = IllegalArgumentException::class)
+    @Test
-    fun `toPostStatus throws on invalid string`() {
+    fun `toPostStatus returns DRAFT fallback on invalid string`() {
-        converters.toPostStatus("INVALID")
+        assertEquals(PostStatus.DRAFT, converters.toPostStatus("INVALID"))
     }
 
     // --- QueueStatus conversions ---
@@ -112,9 +112,9 @@ class ConvertersTest {
         }
     }
 
-    @Test(expected = IllegalArgumentException::class)
+    @Test
-    fun `toQueueStatus throws on invalid string`() {
+    fun `toQueueStatus returns NONE fallback on invalid string`() {
-        converters.toQueueStatus("NONEXISTENT")
+        assertEquals(QueueStatus.NONE, converters.toQueueStatus("NONEXISTENT"))
     }
 
     // --- String list JSON serialization ---