Add minimal strategy demo

main.py

@@ -0,0 +1,73 @@
+import json
+import os
+import signal
+from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
+
+
+HOST = "0.0.0.0"
+PORT = 8080
+shutdown_requested = False
+
+
+def _config() -> dict:
+    token = os.getenv("EXTERNAL_SERVICE_TOKEN", "")
+    return {
+        "task_type": os.getenv("TASK_TYPE", ""),
+        "gpu_type": os.getenv("GPU_TYPE", ""),
+        "framework": os.getenv("FRAMEWORK", ""),
+        "external_service_token_present": bool(token),
+    }
+
+
+class Handler(BaseHTTPRequestHandler):
+    def do_GET(self) -> None:
+        if self.path == "/health":
+            self._send_json({"status": "ok"})
+            return
+
+        if self.path == "/":
+            self._send_json(
+                {
+                    "name": "strategy-demo",
+                    "status": "running",
+                    "config": _config(),
+                }
+            )
+            return
+
+        self._send_json({"error": "not found"}, status=404)
+
+    def log_message(self, fmt: str, *args: object) -> None:
+        print(f"{self.address_string()} - {fmt % args}", flush=True)
+
+    def _send_json(self, body: dict, status: int = 200) -> None:
+        payload = json.dumps(body).encode()
+        self.send_response(status)
+        self.send_header("Content-Type", "application/json")
+        self.send_header("Content-Length", str(len(payload)))
+        self.end_headers()
+        self.wfile.write(payload)
+
+
+def _handle_signal(signum: int, _frame: object) -> None:
+    global shutdown_requested
+    shutdown_requested = True
+    print(f"received signal {signum}, shutting down", flush=True)
+
+
+def main() -> None:
+    signal.signal(signal.SIGTERM, _handle_signal)
+    signal.signal(signal.SIGINT, _handle_signal)
+
+    server = ThreadingHTTPServer((HOST, PORT), Handler)
+    server.timeout = 1
+    print(f"strategy-demo listening on {HOST}:{PORT}", flush=True)
+
+    while not shutdown_requested:
+        server.handle_request()
+
+    server.server_close()
+
+
+if __name__ == "__main__":
+    main()