fix: cannot login with default password

app/main.py

@@ -10,6 +10,7 @@ from app.api.v1.multitrack import router as multitrack_router
 from app.api.v1.auth import router as auth_router
 from app.api.v1.admin import router as admin_router
 from app.api.v1.projects import router as projects_router
+from app.api.v1.user_config import router as user_config_router
 from app.core.auth import seed_admin
 
 # Ensure storage directories exist
@@ -43,6 +44,7 @@ app.include_router(multitrack_router, prefix="/api/v1/multitrack", tags=["multit
 app.include_router(auth_router, prefix="/api/v1/auth", tags=["auth"])
 app.include_router(admin_router, prefix="/api/v1/admin", tags=["admin"])
 app.include_router(projects_router, prefix="/api/v1/projects", tags=["projects"])
+app.include_router(user_config_router, prefix="/api/v1/user", tags=["user_config"])
 
 # Seed admin user on startup
 @app.on_event("startup")