feat: 完成工作流调度与上传下载 API

tests/fixtures/stderr_node.py

@@ -0,0 +1,20 @@
+import http.server
+import sys
+import threading
+
+print("stderr warning", file=sys.stderr, flush=True)
+
+
+class Handler(http.server.BaseHTTPRequestHandler):
+    def do_GET(self) -> None:
+        self.send_response(200)
+        self.end_headers()
+
+    def log_message(self, format, *args) -> None:
+        return
+
+
+server = http.server.ThreadingHTTPServer(("127.0.0.1", 0), Handler)
+print(f"WOV_NODE_READY port={server.server_address[1]}", flush=True)
+threading.Thread(target=server.serve_forever, daemon=True).start()
+threading.Event().wait()