Add proxy server

server.py

@@ -0,0 +1,51 @@
+"""Simple proxy server to OpenHands Cloud API"""
+import os
+from fastapi import FastAPI, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+import httpx
+
+app = FastAPI(title="OpenHands Backend Proxy", version="1.0.0")
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+OPENHANDS_API_KEY = os.getenv("OPENHANDS_API_KEY", "")
+OPENHANDS_BASE_URL = os.getenv("OPENHANDS_BASE_URL", "https://app.all-hands.dev")
+
+@app.get("/health")
+async def health():
+    return {"status": "ok", "backend": "proxy", "version": "1.0.0"}
+
+@app.get("/ready")
+async def ready():
+    return {"status": "ready", "service": "openhands-proxy"}
+
+@app.get("/api/conversations")
+async def list_conversations():
+    if not OPENHANDS_API_KEY:
+        raise HTTPException(status_code=503, detail="OPENHANDS_API_KEY not configured")
+    async with httpx.AsyncClient() as client:
+        resp = await client.get(
+            f"{OPENHANDS_BASE_URL}/api/conversations",
+            headers={"Authorization": f"Bearer {OPENHANDS_API_KEY}"}
+        )
+        resp.raise_for_status()
+        return resp.json()
+
+@app.post("/api/conversations")
+async def create_conversation(data: dict):
+    if not OPENHANDS_API_KEY:
+        raise HTTPException(status_code=503, detail="OPENHANDS_API_KEY not configured")
+    async with httpx.AsyncClient() as client:
+        resp = await client.post(
+            f"{OPENHANDS_BASE_URL}/api/conversations",
+            headers={"Authorization": f"Bearer {OPENHANDS_API_KEY}"},
+            json=data
+        )
+        resp.raise_for_status()
+        return resp.json()