feat(webui): next-intl scaffolding + en/zh catalog skeletons

2026-08-11 14:52:56 +08:00
parent 65ad214fcd
commit 9e1e628ab7
27 changed files with 954 additions and 3 deletions
@@ -1,4 +1,7 @@
 import type { NextConfig } from "next";
+import createNextIntlPlugin from "next-intl/plugin";
+
+const withNextIntl = createNextIntlPlugin("./src/i18n/request.ts");

 const nextConfig: NextConfig = {
  // Self-contained server bundle for the npm package (the bin launcher runs
@@ -13,4 +16,4 @@ const nextConfig: NextConfig = {
  },
 };

-export default nextConfig;
+export default withNextIntl(nextConfig);
@@ -30,6 +30,7 @@
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        "mermaid": "^11.15.0",
        "next": "^16.2.5",
+        "next-intl": "^4.13.6",
        "nuqs": "^2.8.8",
        "react": "19.1.0",
        "react-dom": "19.1.0",
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+      "license": "MIT"
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+    "node_modules/@formatjs/intl-localematcher": {
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+      "cpu": [
+        "x64"
+      ],
+      "license": "Apache-2.0 AND MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/@swc/core-win32-arm64-msvc": {
+      "version": "1.15.47",
+      "resolved": "https://registry.npmjs.org/@swc/core-win32-arm64-msvc/-/core-win32-arm64-msvc-1.15.47.tgz",
+      "integrity": "sha512-0W8IKHsUTYiT7G2RqtOoVWk+89yzZikIiDUb/sCK6BmQDBhN91hQSfyUtW12jhEWLzYgcfmisfsZrmZE+84U1A==",
+      "cpu": [
+        "arm64"
+      ],
+      "license": "Apache-2.0 AND MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/@swc/core-win32-ia32-msvc": {
+      "version": "1.15.47",
+      "resolved": "https://registry.npmjs.org/@swc/core-win32-ia32-msvc/-/core-win32-ia32-msvc-1.15.47.tgz",
+      "integrity": "sha512-ZIp49d2Z4/ka2jO9otOg4hDvTdPmp86kVOgS2M5FCPI7eKKZ1W0boxWn+8XeZrfERtFGW0AlMRm4JhlJa7l3NA==",
+      "cpu": [
+        "ia32"
+      ],
+      "license": "Apache-2.0 AND MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/@swc/core-win32-x64-msvc": {
+      "version": "1.15.47",
+      "resolved": "https://registry.npmjs.org/@swc/core-win32-x64-msvc/-/core-win32-x64-msvc-1.15.47.tgz",
+      "integrity": "sha512-2h8Iek95vnixkBRCo+H8p09+Q5ll2NgSMFrWTy0iKt7+/t+8/T5mBpiT6c0ZxSS7wcWjwZ9sGZkK70tTSYHdDw==",
+      "cpu": [
+        "x64"
+      ],
+      "license": "Apache-2.0 AND MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/@swc/counter": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/@swc/counter/-/counter-0.1.3.tgz",
+      "integrity": "sha512-e2BR4lsJkkRlKZ/qCHPw9ZaSxc0MVUd7gtbtaB7aMvHeJVYe8sOB8DBZkP2DtISHGSku9sCK6T6cnY0CtXrOCQ==",
+      "license": "Apache-2.0"
+    },
    "node_modules/@swc/helpers": {
      "version": "0.5.15",
      "resolved": "https://registry.npmjs.org/@swc/helpers/-/helpers-0.5.15.tgz",
@@ -3881,6 +4402,15 @@
        "tslib": "^2.8.0"
      }
    },
+    "node_modules/@swc/types": {
+      "version": "0.1.28",
+      "resolved": "https://registry.npmjs.org/@swc/types/-/types-0.1.28.tgz",
+      "integrity": "sha512-V6Mnml8v09QALx6K0elJ7o9K/MkVDtW3t6L+7Ou/JcWtb3xwId2AH4FeOceySd2JaO87IMw4+6vSZxLm34LPbw==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@swc/counter": "^0.1.3"
+      }
+    },
    "node_modules/@tailwindcss/forms": {
      "version": "0.5.11",
      "resolved": "https://registry.npmjs.org/@tailwindcss/forms/-/forms-0.5.11.tgz",
@@ -8519,6 +9049,21 @@
        "node": ">=0.10.0"
      }
    },
+    "node_modules/icu-minify": {
+      "version": "4.13.6",
+      "resolved": "https://registry.npmjs.org/icu-minify/-/icu-minify-4.13.6.tgz",
+      "integrity": "sha512-iYZGCJZ+kX6o7GrxpVe2sOSdW86AvEqh8RQBvWeBd9jqmuABsMc2B6xongACfItLOogyIWH6GuBslNHr79OU8Q==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/amannn"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/icu-messageformat-parser": "^3.4.0"
+      }
+    },
    "node_modules/ieee754": {
      "version": "1.2.1",
      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
@@ -8634,6 +9179,16 @@
        "node": ">=12"
      }
    },
+    "node_modules/intl-messageformat": {
+      "version": "11.2.13",
+      "resolved": "https://registry.npmjs.org/intl-messageformat/-/intl-messageformat-11.2.13.tgz",
+      "integrity": "sha512-JaPaE6TIX+TAS5XLhDUh41geLw4QfBHX4s5pW8Km+L9fVC8HzB9yOuhbh4EMR/F1+8C6b9qk4763Cv+LdOG1kg==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@formatjs/fast-memoize": "3.1.7",
+        "@formatjs/icu-messageformat-parser": "3.5.16"
+      }
+    },
    "node_modules/is-alphabetical": {
      "version": "2.0.1",
      "resolved": "https://registry.npmjs.org/is-alphabetical/-/is-alphabetical-2.0.1.tgz",
@@ -8843,7 +9398,6 @@
      "version": "2.1.1",
      "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
      "integrity": "sha512-SbKbANkN603Vi4jEZv49LeVJMn4yGwsbzZworEoyEiutsN3nJYdbO36zfhGJ6QEDpOZIFkDtnq5JRxmvl3jsoQ==",
-      "dev": true,
      "license": "MIT",
      "engines": {
        "node": ">=0.10.0"
@@ -8889,7 +9443,6 @@
      "version": "4.0.3",
      "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.3.tgz",
      "integrity": "sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==",
-      "dev": true,
      "license": "MIT",
      "dependencies": {
        "is-extglob": "^2.1.1"
@@ -10649,6 +11202,15 @@
      "dev": true,
      "license": "MIT"
    },
+    "node_modules/negotiator": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-1.0.0.tgz",
+      "integrity": "sha512-8Ofs/AUQh8MaEcrlq5xOX0CQ9ypTF5dl78mjlMNfOK08fzpgTHQRQPBxcPlEtIw0yRpws+Zo/3r+5WRby7u3Gg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
    "node_modules/next": {
      "version": "16.2.6",
      "resolved": "https://registry.npmjs.org/next/-/next-16.2.6.tgz",
@@ -10702,6 +11264,94 @@
        }
      }
    },
+    "node_modules/next-intl": {
+      "version": "4.13.6",
+      "resolved": "https://registry.npmjs.org/next-intl/-/next-intl-4.13.6.tgz",
+      "integrity": "sha512-loS6tjWWkr/IP+EV1yXUm9URB54QmZOp4+ZsMZNmeYxY8IZxLvO2esUegnXIDxj5DpK/4BsxwDGfGhlqodpkCQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/amannn"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/intl-localematcher": "^0.8.1",
+        "@parcel/watcher": "^2.4.1",
+        "@swc/core": "^1.15.2",
+        "icu-minify": "^4.13.6",
+        "negotiator": "^1.0.0",
+        "next-intl-swc-plugin-extractor": "^4.13.6",
+        "po-parser": "^2.1.1",
+        "use-intl": "^4.13.6"
+      },
+      "peerDependencies": {
+        "next": "^12.0.0 || ^13.0.0 || ^14.0.0 || ^15.0.0 || ^16.0.0",
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || >=19.0.0-rc <19.0.0 || ^19.0.0"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/next-intl-swc-plugin-extractor": {
+      "version": "4.13.6",
+      "resolved": "https://registry.npmjs.org/next-intl-swc-plugin-extractor/-/next-intl-swc-plugin-extractor-4.13.6.tgz",
+      "integrity": "sha512-M2L8jtPEAXj0CPmXbiW66THdr3OnDqA9IsU1hqv3CdxtVow3Bl9eXPdT9Opeji7L4AFrUZ016dJOs+CoTw66OA==",
+      "license": "MIT"
+    },
+    "node_modules/next-intl/node_modules/@swc/core": {
+      "version": "1.15.47",
+      "resolved": "https://registry.npmjs.org/@swc/core/-/core-1.15.47.tgz",
+      "integrity": "sha512-FbsO5JcfOjfH38W/rohBRBweJeERsAuIP4f377lmkmxTcq9exjtx4SkRuZY5CdfhR2CBVwDIJegBpJDffwNsOg==",
+      "hasInstallScript": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@swc/counter": "^0.1.3",
+        "@swc/types": "^0.1.27"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/swc"
+      },
+      "optionalDependencies": {
+        "@swc/core-darwin-arm64": "1.15.47",
+        "@swc/core-darwin-x64": "1.15.47",
+        "@swc/core-linux-arm-gnueabihf": "1.15.47",
+        "@swc/core-linux-arm64-gnu": "1.15.47",
+        "@swc/core-linux-arm64-musl": "1.15.47",
+        "@swc/core-linux-ppc64-gnu": "1.15.47",
+        "@swc/core-linux-s390x-gnu": "1.15.47",
+        "@swc/core-linux-x64-gnu": "1.15.47",
+        "@swc/core-linux-x64-musl": "1.15.47",
+        "@swc/core-win32-arm64-msvc": "1.15.47",
+        "@swc/core-win32-ia32-msvc": "1.15.47",
+        "@swc/core-win32-x64-msvc": "1.15.47"
+      },
+      "peerDependencies": {
+        "@swc/helpers": ">=0.5.17"
+      },
+      "peerDependenciesMeta": {
+        "@swc/helpers": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/next-intl/node_modules/@swc/helpers": {
+      "version": "0.5.23",
+      "resolved": "https://registry.npmjs.org/@swc/helpers/-/helpers-0.5.23.tgz",
+      "integrity": "sha512-5lSsMOTXURePglDfvuAQUqkGek9Hg2kksOYay2m0+XR++b2NWYL/4sWyuvVBIs8oKnJaxkdi9whaL/sqN13afw==",
+      "license": "Apache-2.0",
+      "optional": true,
+      "peer": true,
+      "dependencies": {
+        "tslib": "^2.8.0"
+      }
+    },
    "node_modules/next/node_modules/postcss": {
      "version": "8.4.31",
      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
@@ -10754,6 +11404,12 @@
        "node": ">=10"
      }
    },
+    "node_modules/node-addon-api": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-7.1.1.tgz",
+      "integrity": "sha512-5m3bsyrjFWE1xf7nz7YXdN4udnVtXK6/Yfgn5qnahL6bCkf2yKt4k3nuTKAtT4r3IG8JNR2ncsIMdZuAzJjHQQ==",
+      "license": "MIT"
+    },
    "node_modules/node-exports-info": {
      "version": "1.6.0",
      "resolved": "https://registry.npmjs.org/node-exports-info/-/node-exports-info-1.6.0.tgz",
@@ -11247,6 +11903,12 @@
        "node": ">= 6"
      }
    },
+    "node_modules/po-parser": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/po-parser/-/po-parser-2.1.1.tgz",
+      "integrity": "sha512-ECF4zHLbUItpUgE3OTtLKlPjeBN+fKEczj2zYjDfCGOzicNs0GK3Vg2IoAYwx7LH/XYw43fZQP6xnZ4TkNxSLQ==",
+      "license": "MIT"
+    },
    "node_modules/points-on-curve": {
      "version": "0.2.0",
      "resolved": "https://registry.npmjs.org/points-on-curve/-/points-on-curve-0.2.0.tgz",
@@ -13796,6 +14458,27 @@
        }
      }
    },
+    "node_modules/use-intl": {
+      "version": "4.13.6",
+      "resolved": "https://registry.npmjs.org/use-intl/-/use-intl-4.13.6.tgz",
+      "integrity": "sha512-RLej84qL6PGTDp/PSG3tqRpwr7IvJfOu4Qfv/uyy8CrnYn1oEOQb6osNJb++jZ7FQxqN3aQ5BI7wTIerUgrgMA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/amannn"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "@formatjs/fast-memoize": "^3.1.0",
+        "@schummar/icu-type-parser": "1.21.5",
+        "icu-minify": "^4.13.6",
+        "intl-messageformat": "^11.1.0"
+      },
+      "peerDependencies": {
+        "react": "^17.0.0 || ^18.0.0 || >=19.0.0-rc <19.0.0 || ^19.0.0"
+      }
+    },
    "node_modules/use-sidecar": {
      "version": "1.1.3",
      "resolved": "https://registry.npmjs.org/use-sidecar/-/use-sidecar-1.1.3.tgz",
@@ -72,6 +72,7 @@
    "lucide-react": "^0.539.0",
    "mermaid": "^11.15.0",
    "next": "^16.2.5",
+    "next-intl": "^4.13.6",
    "nuqs": "^2.8.8",
    "react": "19.1.0",
    "react-dom": "19.1.0",
@@ -0,0 +1,3 @@
+export default {
+  chat: {},
+};
@@ -0,0 +1,16 @@
+export default {
+  common: {
+    loading: "Loading…",
+    save: "Save",
+    cancel: "Cancel",
+    close: "Close",
+    delete: "Delete",
+    confirm: "Confirm",
+    retry: "Retry",
+    copy: "Copy",
+    copied: "Copied",
+    notFound: "Page not found.",
+    metadataDescription:
+      "Web UI for EvoScientist — a self-evolving AI scientist built on DeepAgents/LangGraph.",
+  },
+};
@@ -0,0 +1,3 @@
+export default {
+  dialogs: {},
+};
@@ -0,0 +1,12 @@
+export default {
+  errors: {
+    INVALID_REQUEST: "The request is invalid.",
+    UNAUTHENTICATED: "Your session has expired. Please sign in again.",
+    FORBIDDEN: "You don't have permission to do this.",
+    NOT_FOUND: "The requested resource was not found.",
+    PAYLOAD_TOO_LARGE: "The upload is too large.",
+    UNSUPPORTED_MEDIA_TYPE: "This file type is not supported.",
+    CONFLICT: "This conflicts with the current state. Refresh and try again.",
+    INTERNAL: "Something went wrong on the server. Please try again.",
+  },
+};
@@ -0,0 +1,3 @@
+export default {
+  header: {},
+};
@@ -0,0 +1,19 @@
+import common from "./common";
+import header from "./header";
+import threadList from "./threadList";
+import chat from "./chat";
+import dialogs from "./dialogs";
+import panels from "./panels";
+import login from "./login";
+import errors from "./errors";
+
+export default {
+  ...common,
+  ...header,
+  ...threadList,
+  ...chat,
+  ...dialogs,
+  ...panels,
+  ...login,
+  ...errors,
+};
@@ -0,0 +1,3 @@
+export default {
+  login: {},
+};
@@ -0,0 +1,3 @@
+export default {
+  panels: {},
+};
@@ -0,0 +1,3 @@
+export default {
+  threadList: {},
+};
@@ -0,0 +1,73 @@
+import { describe, expect, it, vi } from "vitest";
+import en from "./en";
+import zh from "./zh";
+import enCommon from "./en/common";
+import enHeader from "./en/header";
+import enThreadList from "./en/threadList";
+import enChat from "./en/chat";
+import enDialogs from "./en/dialogs";
+import enPanels from "./en/panels";
+import enLogin from "./en/login";
+import enErrors from "./en/errors";
+
+vi.mock("server-only", () => ({}));
+
+const { API_ERROR_CODES } = await import("@/lib/server/errorCodes");
+
+type Tree = Record<string, unknown>;
+
+function leafPaths(tree: Tree, prefix = ""): string[] {
+  return Object.entries(tree).flatMap(([key, value]) => {
+    const path = prefix ? `${prefix}.${key}` : key;
+    if (value !== null && typeof value === "object") {
+      return leafPaths(value as Tree, path);
+    }
+    return [path];
+  });
+}
+
+function leafAt(tree: Tree, path: string): string {
+  let node: unknown = tree;
+  for (const key of path.split(".")) node = (node as Tree)[key];
+  return node as string;
+}
+
+function icuVars(message: string): string[] {
+  return [...message.matchAll(/\{(\w+)[,}]/g)].map((m) => m[1]).sort();
+}
+
+describe("message catalogs", () => {
+  it("en and zh have identical key sets", () => {
+    expect(leafPaths(zh).sort()).toEqual(leafPaths(en).sort());
+  });
+
+  it("each leaf has the same ICU variables in both locales", () => {
+    for (const path of leafPaths(en)) {
+      expect(icuVars(leafAt(zh, path)), path).toEqual(
+        icuVars(leafAt(en, path))
+      );
+    }
+  });
+
+  it("domain modules do not shadow each other at the top level", () => {
+    const modules = [
+      enCommon,
+      enHeader,
+      enThreadList,
+      enChat,
+      enDialogs,
+      enPanels,
+      enLogin,
+      enErrors,
+    ];
+    const total = modules.reduce((n, m) => n + Object.keys(m).length, 0);
+    expect(Object.keys(en).length).toBe(total);
+  });
+
+  it("errors.* covers every code the WebUI API can emit", () => {
+    const errors = (en as unknown as Tree).errors as Tree;
+    for (const code of API_ERROR_CODES) {
+      expect(typeof errors[code], code).toBe("string");
+    }
+  });
+});
@@ -0,0 +1,3 @@
+export default {
+  chat: {},
+};
@@ -0,0 +1,16 @@
+export default {
+  common: {
+    loading: "加载中…",
+    save: "保存",
+    cancel: "取消",
+    close: "关闭",
+    delete: "删除",
+    confirm: "确认",
+    retry: "重试",
+    copy: "复制",
+    copied: "已复制",
+    notFound: "页面不存在。",
+    metadataDescription:
+      "EvoScientist 的 Web 界面 —— 一个基于 DeepAgents/LangGraph 的自我进化 AI 科学家。",
+  },
+};
@@ -0,0 +1,3 @@
+export default {
+  dialogs: {},
+};
@@ -0,0 +1,12 @@
+export default {
+  errors: {
+    INVALID_REQUEST: "请求无效。",
+    UNAUTHENTICATED: "登录已过期，请重新登录。",
+    FORBIDDEN: "没有执行此操作的权限。",
+    NOT_FOUND: "请求的资源不存在。",
+    PAYLOAD_TOO_LARGE: "上传内容过大。",
+    UNSUPPORTED_MEDIA_TYPE: "不支持的文件类型。",
+    CONFLICT: "与当前状态冲突，请刷新后重试。",
+    INTERNAL: "服务器出错，请稍后重试。",
+  },
+};
@@ -0,0 +1,3 @@
+export default {
+  header: {},
+};
@@ -0,0 +1,19 @@
+import common from "./common";
+import header from "./header";
+import threadList from "./threadList";
+import chat from "./chat";
+import dialogs from "./dialogs";
+import panels from "./panels";
+import login from "./login";
+import errors from "./errors";
+
+export default {
+  ...common,
+  ...header,
+  ...threadList,
+  ...chat,
+  ...dialogs,
+  ...panels,
+  ...login,
+  ...errors,
+};
@@ -0,0 +1,3 @@
+export default {
+  login: {},
+};
@@ -0,0 +1,3 @@
+export default {
+  panels: {},
+};
@@ -0,0 +1,3 @@
+export default {
+  threadList: {},
+};
@@ -0,0 +1,8 @@
+import { createNavigation } from "next-intl/navigation";
+import { routing } from "./routing";
+
+// Locale-aware wrappers around Next.js navigation APIs. The codebase's
+// existing navigation is window.location-based (see src/lib/localePath.ts);
+// these are used by LocaleSwitcher and any future SPA navigation.
+export const { Link, redirect, usePathname, useRouter, getPathname } =
+  createNavigation(routing);
@@ -0,0 +1,14 @@
+import { getRequestConfig } from "next-intl/server";
+import { hasLocale } from "next-intl";
+import { routing } from "./routing";
+
+export default getRequestConfig(async ({ requestLocale }) => {
+  const requested = await requestLocale;
+  const locale = hasLocale(routing.locales, requested)
+    ? requested
+    : routing.defaultLocale;
+  return {
+    locale,
+    messages: (await import(`./messages/${locale}/index.ts`)).default,
+  };
+});
@@ -0,0 +1,9 @@
+import { defineRouting } from "next-intl/routing";
+
+export const routing = defineRouting({
+  locales: ["en", "zh"],
+  defaultLocale: "en",
+  localePrefix: "always",
+});
+
+export type Locale = (typeof routing.locales)[number];
@@ -0,0 +1,11 @@
+import type { routing } from "./routing";
+import type en from "./messages/en";
+
+// Makes useTranslations()/getTranslations() key-checked against the en
+// catalog — key typos become compile errors (spec §2).
+declare module "next-intl" {
+  interface AppConfig {
+    Locale: (typeof routing.locales)[number];
+    Messages: typeof en;
+  }
+}
@@ -0,0 +1,19 @@
+import "server-only";
+
+// Stable error codes emitted by WebUI API routes (spec §4). Clients map these
+// to localized strings via the errors.* catalog; the English `message` field
+// remains the fallback. Python-backend codes are forwarded separately by
+// routeErrorResponse and are NOT part of this set. Task 7 may append auth
+// codes (e.g. INVALID_CREDENTIALS) discovered during route unification.
+export const API_ERROR_CODES = [
+  "INVALID_REQUEST",
+  "UNAUTHENTICATED",
+  "FORBIDDEN",
+  "NOT_FOUND",
+  "PAYLOAD_TOO_LARGE",
+  "UNSUPPORTED_MEDIA_TYPE",
+  "CONFLICT",
+  "INTERNAL",
+] as const;
+
+export type ApiErrorCode = (typeof API_ERROR_CODES)[number];