feature: add MIEM employees parser service with admin UI and MCP

tests/conftest.py

@@ -0,0 +1,23 @@
+import pytest
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy.pool import StaticPool
+
+from app.db import Base
+
+
+@pytest.fixture()
+def db_session():
+    engine = create_engine(
+        "sqlite:///:memory:",
+        connect_args={"check_same_thread": False},
+        poolclass=StaticPool,
+    )
+    Base.metadata.create_all(engine)
+    Session = sessionmaker(bind=engine)
+    session = Session()
+    try:
+        yield session
+    finally:
+        session.close()
+        Base.metadata.drop_all(engine)