Add tts/text output schema

api/app/db.py

@@ -1,4 +1,4 @@
-from sqlalchemy import create_engine
+from sqlalchemy import create_engine, text
 from sqlalchemy.orm import sessionmaker, DeclarativeBase
 import os
 
@@ -14,6 +14,32 @@ class Base(DeclarativeBase):
     pass
 
 
+def ensure_schema_compatibility() -> None:
+    """Best-effort lightweight migrations for SQLite deployments."""
+    if engine.dialect.name != "sqlite":
+        return
+
+    with engine.begin() as conn:
+        columns = {
+            row[1]
+            for row in conn.execute(text("PRAGMA table_info(assistants)"))
+        }
+        if "voice_output_enabled" not in columns:
+            conn.execute(
+                text(
+                    "ALTER TABLE assistants "
+                    "ADD COLUMN voice_output_enabled BOOLEAN DEFAULT 1"
+                )
+            )
+            conn.execute(
+                text(
+                    "UPDATE assistants "
+                    "SET voice_output_enabled = 1 "
+                    "WHERE voice_output_enabled IS NULL"
+                )
+            )
+
+
 def get_db():
     db = SessionLocal()
     try: