Restore files the worker imports (parity with original Space)

Agent/test_query_runner.py

@@ -0,0 +1,20 @@
+import asyncio
+import os
+import sys
+# Ensure Agent package path is importable
+sys.path.insert(0, r"e:/Capstone_Project/text2sql-agent-mcp/Agent")
+import backups.agentic_workflow4 as aw
+
+async def run_one():
+    # Initialize DB (use the module's configured DB_CONNECTION_URL when available)
+    db_uri = os.environ.get('DB_CONNECTION_URL') or getattr(aw, 'DB_CONNECTION_URL', None)
+    await aw.initialize_database(db_uri)
+    # Run a single question
+    # Prefix with 're-execute' to force regeneration and bypass any cached error in memory
+    res = await aw.agentic_query_process('re-execute Who are the top 10 highest-paid employees?')
+    print('\n--- AGENT OUTPUT START ---')
+    print(res)
+    print('--- AGENT OUTPUT END ---')
+
+if __name__ == '__main__':
+    asyncio.run(run_one())