feat(console): CHV production-grade frontend — worker availability, attachment guard, queue hint, build:console fix, vitest

cloud/console-react/scripts/copy-build.mjs

@@ -1,17 +1,23 @@
 // build:console 的第二步：把 vite-plugin-singlefile 产出的单文件
 // 原样拷到可部署位置。绝不改动产物内容——以后改页面只改 src 再构建。
-// 在本施工目录，目标是 ../console-redesign/console-react.html（主 agent
-// 审阅用）；进仓库后，主 agent 把同一文件拷到 cloud/console.html。
-import { copyFileSync, statSync } from "node:fs";
-import { createHash } from "node:crypto";
+// 目标就是 GET /console 现读的文件 cloud/console.html
+// （cloud/server.py 与 console.html 同目录、每次请求现读），
+// 不再拷到仓库里不存在的 cloud/console-redesign/console-react.html，
+// 也不再靠手工拷兜底：npm run build:console 一次跑通即产物就位。
+import { copyFileSync } from "node:fs";
+import { createHash, timingSafeEqual } from "node:crypto";
 import { readFileSync } from "node:fs";
 import { dirname, join } from "node:path";
 import { fileURLToPath } from "node:url";
 
 const root = join(dirname(fileURLToPath(import.meta.url)), "..");
 const src = join(root, "dist", "index.html");
-const dest = join(root, "..", "console-redesign", "console-react.html");
+const dest = join(root, "..", "console.html");
 copyFileSync(src, dest);
-const buf = readFileSync(dest);
-console.log(`console-react.html  ${buf.length} bytes  sha256=${createHash("sha256").update(buf).digest("hex")}`);
+const srcBuf = readFileSync(src);
+const destBuf = readFileSync(dest);
+if (srcBuf.length !== destBuf.length || !timingSafeEqual(srcBuf, destBuf)) {
+  throw new Error("copy-build: dest 与 dist/index.html 内容不一致，构建失败");
+}
+console.log(`console.html  ${destBuf.length} bytes  sha256=${createHash("sha256").update(destBuf).digest("hex")}`);
 console.log(`built: ${src} -> ${dest}`);