fix(moodboard): apply visuals schema on startup

backend/main.py

@@ -154,6 +154,8 @@ async def lifespan(app: FastAPI):
     ensure_tna_authoring_schema(engine)
     from services.moodboard_pdf_service import ensure_moodboard_timings_schema
     ensure_moodboard_timings_schema(engine)
+    from migrate_moodboard_visuals import ensure_visuals_schema
+    ensure_visuals_schema(engine)
     logger.info("Database tables ready")
 
     # Seed dummy users if none exist

backend/migrate_moodboard_visuals.py

@@ -19,6 +19,19 @@ NEW_COLUMNS = {
 }
 
 
+def ensure_visuals_schema(engine):
+    """Idempotently add visuals columns during application startup."""
+    inspector = inspect(engine)
+    try:
+        existing_cols = {c["name"] for c in inspector.get_columns("moodboard_decodes")}
+    except Exception:
+        return
+    with engine.begin() as conn:
+        for col, ddl in NEW_COLUMNS.items():
+            if col not in existing_cols:
+                conn.execute(text(f"ALTER TABLE moodboard_decodes ADD COLUMN {col} {ddl}"))
+
+
 def migrate():
     print(f"Connecting to database at: {settings.database_url}")
     engine = create_engine(settings.database_url)