fix: 修复bug

server/index.js

@@ -60,7 +60,15 @@ function sseSend(res, event, data) {
 }
 
 function newTaskId() {
-  return crypto.randomUUID();
+  // `crypto.randomUUID()` exists on newer Node versions; fall back for older runtimes.
+  if (crypto && typeof crypto.randomUUID === "function") return crypto.randomUUID();
+
+  const bytes = crypto.randomBytes(16);
+  // UUID v4: set version and variant bits.
+  bytes[6] = (bytes[6] & 0x0f) | 0x40;
+  bytes[8] = (bytes[8] & 0x3f) | 0x80;
+  const hex = bytes.toString("hex");
+  return `${hex.slice(0, 8)}-${hex.slice(8, 12)}-${hex.slice(12, 16)}-${hex.slice(16, 20)}-${hex.slice(20)}`;
 }
 
 function taskDir(taskId) {
@@ -285,12 +293,20 @@ app.post("/api/render", (req, res) => {
 
 async function runSelfCheck() {
   const py = process.env.PYTHON_BIN || "python3.10";
-  const checks = [
-    { name: "check_comfy", args: ["scripts/check_comfy.py"] },
-    { name: "inspect_comfy_node", args: ["scripts/inspect_comfy_node.py"] },
-  ];
+  const selfCheckTimeoutMs = Number(process.env.SELF_CHECK_TIMEOUT_MS || 300000);
+  const workflowApiPath = path.join(repoRoot, "workflow_api.json");
+  const requireWorkflow = String(process.env.REQUIRE_WORKFLOW || "").trim() === "1";
+
+  const checks = [{ name: "check_comfy", args: ["scripts/check_comfy.py"] }];
+  if (fs.existsSync(workflowApiPath) || requireWorkflow) {
+    checks.push({ name: "inspect_comfy_node", args: ["scripts/inspect_comfy_node.py"] });
+  } else {
+    console.warn(
+      `[server self-check] workflow_api.json not found at ${workflowApiPath}; skipping inspect_comfy_node (set REQUIRE_WORKFLOW=1 to enforce).`
+    );
+  }
   for (const c of checks) {
-    const deadline = Date.now() + 90_000;
+    const deadline = Date.now() + selfCheckTimeoutMs;
     let lastErr = "";
     while (Date.now() < deadline) {
       try {