feat: add CI/CD workflow and sync latest workspace changes

api/app/core/database.py

@@ -0,0 +1,47 @@
+from collections.abc import Generator
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import DeclarativeBase, Session, sessionmaker
+
+from .config import get_settings
+
+settings = get_settings()
+
+connect_args: dict[str, bool] = {}
+if settings.database_url.startswith("sqlite"):
+    connect_args["check_same_thread"] = False
+
+engine = create_engine(
+    settings.database_url,
+    pool_pre_ping=True,
+    connect_args=connect_args,
+)
+
+SessionLocal = sessionmaker(
+    bind=engine,
+    autocommit=False,
+    autoflush=False,
+    expire_on_commit=False,
+)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+def get_db() -> Generator[Session, None, None]:
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+def init_db() -> None:
+    # Import models so metadata includes every table before create_all.
+    from ..models import audit_log, auth_session, rbac, user  # noqa: F401
+    from ..services.seed_service import seed_defaults
+
+    Base.metadata.create_all(bind=engine)
+    with SessionLocal() as db:
+        seed_defaults(db)