Add mock worker for demo

mock_worker.py

@@ -0,0 +1,58 @@
+"""
+Mock Worker for Demo - No GPU needed
+Use this to test the multi-agent architecture without heavy compute.
+"""
+
+from fastapi import FastAPI, Request
+from fastapi.responses import JSONResponse
+import random
+import json
+
+app = FastAPI()
+
+RESPONSES = [
+    {
+        "output": "I have analyzed the request and determined it is safe to proceed.",
+        "status": "success",
+        "reasoning": "No policy violations detected in the worker output.",
+    },
+    {
+        "output": "Blocked: Detected potential security concern in the request.",
+        "status": "success",
+        "reasoning": "PII or sensitive data access pattern detected.",
+    },
+    {
+        "output": "Escalating to supervisor for further review.",
+        "status": "success",
+        "reasoning": "Ambiguous request requires human oversight.",
+    },
+]
+
+
+@app.post("/execute")
+async def execute_task(request: Request):
+    task = await request.json()
+    print(f"Mock worker received: {task.get('task_id', 'unknown')}")
+
+    # Return random response
+    response = random.choice(RESPONSES)
+
+    return JSONResponse(
+        content={"status": "success", "worker_id": "mock-local", "result": response}
+    )
+
+
+@app.get("/health")
+def health():
+    return {"status": "healthy", "worker_id": "mock-local"}
+
+
+@app.get("/")
+def root():
+    return {"message": "Mock Worker Running", "worker_id": "mock-local"}
+
+
+if __name__ == "__main__":
+    import uvicorn
+
+    uvicorn.run(app, host="0.0.0.0", port=7861)