refactor: replace webpack context loading with dev server proxy

Remove the webpack-based file indexing strategy in favor of a proxy
approach. The dev server now proxies content requests to a local CLI
server, simplifying the data loading logic and removing webpack-specific
types and loaders.

rsbuild.config.ts

@@ -18,15 +18,6 @@ export default defineConfig({
       },
     },
     rspack: {
-      module: {
-        rules: [
-          {
-            test: /\.md|\.yarn|\.csv$/,
-            exclude: /\.schema\.csv$/,
-            type: "asset/source",
-          },
-        ],
-      },
       plugins: [
         process.env.ANALYZE ? new BundleAnalyzerPlugin() : undefined,
       ].filter(Boolean),
@@ -40,13 +31,18 @@ export default defineConfig({
       index: "./src/main.tsx",
     },
   },
+  server: {
+    proxy: {
+      // Proxy content API requests to the CLI dev server (npm run tttk)
+      "/__CONTENT_INDEX.json": "http://localhost:3000",
+      "/__COMPLETIONS.json": "http://localhost:3000",
+      "/content": "http://localhost:3000",
+      "/journal": "http://localhost:3000",
+    },
+  },
   output: {
     distPath: {
       root: "dist/web",
     },
-    copy:
-      process.env.NODE_ENV === "development"
-        ? [{ from: "./content", to: "content" }]
-        : [],
   },
 });

src/data-loader/file-index.ts

@@ -1,10 +1,14 @@
 /**
  * 文件索引管理器
- * 支持多种文件索引加载方式：
- * 1. CLI 环境：从 /__CONTENT_INDEX.json 加载
- * 2. Dev 环境：使用 webpackContext 仅加载 .md 文件（仅在 dev 构建中生效）
- * 3. 浏览器环境：用户选择本地文件夹，扫描文件索引
+ * 支持两种文件索引加载方式：
+ * 1. CLI / 代理环境：从 /__CONTENT_INDEX.json 加载
+ * 2. 浏览器环境：用户选择本地文件夹，扫描文件索引
  *      - 支持 IndexedDB 持久化目录句柄，刷新页面无需重新选择
+ *
+ * Dev 工作流：运行 CLI 服务器并在 rsbuild 配置中设置代理
+ *   > npm run tttk serve ./content
+ *   > npm run dev
+ *  rsbuild 会将 /__CONTENT_INDEX.json、/__COMPLETIONS.json、/content/ 代理到 CLI 服务器
  */
 
 import {
@@ -18,20 +22,20 @@ type FileIndex = Record<string, string>;
 
 let fileIndex: FileIndex | null = null;
 let indexLoadPromise: Promise<void> | null = null;
-let activeSource: "cli" | "webpack" | "folder" | null = null;
+let activeSource: "cli" | "folder" | null = null;
 
 /** Currently active directory handle (if folder source) */
 let activeDirHandle: FileSystemDirectoryHandle | null = null;
 
 /**
  * 加载文件索引（只加载一次）
- * 尝试顺序：CLI JSON → webpack context (dev only) → 已持久化的目录句柄
+ * 尝试顺序：CLI JSON → 已持久化的目录句柄
  */
 function ensureIndexLoaded(): Promise<void> {
   if (indexLoadPromise) return indexLoadPromise;
 
   indexLoadPromise = (async () => {
-    // 策略 1: CLI 环境 — 从 /__CONTENT_INDEX.json 加载
+    // 策略 1: CLI / 代理环境 — 从 /__CONTENT_INDEX.json 加载
     try {
       const response = await fetch("/__CONTENT_INDEX.json");
       if (response.ok) {
@@ -44,31 +48,7 @@ function ensureIndexLoaded(): Promise<void> {
       // CLI 索引不可用时尝试下一个策略
     }
 
-    // 策略 2: Dev 环境 — webpackContext + raw loader（仅 dev 构建时生效）
-    // 生产构建时 process.env.NODE_ENV 被替换为 'production'，整个分支会被 tree-shake 掉
-    if (process.env.NODE_ENV === "development") {
-      try {
-        const context = import.meta.webpackContext("../../content", {
-          recursive: true,
-          regExp: /\.md|\.yarn|\.csv|\.svg$/i,
-        });
-        const keys = context.keys();
-        const index: FileIndex = {};
-        for (const key of keys) {
-          const module = context(key) as { default?: string } | string;
-          const content =
-            typeof module === "string" ? module : (module.default ?? "");
-          const normalizedPath = "/content" + key.slice(1);
-          index[normalizedPath] = content;
-        }
-        fileIndex = { ...fileIndex, ...index };
-        activeSource = "webpack";
-      } catch (e) {
-        // webpackContext 不可用时忽略
-      }
-    }
-
-    // 策略 3: 浏览器 — 尝试从 IndexedDB 恢复保存的目录句柄
+    // 策略 2: 浏览器 — 尝试从 IndexedDB 恢复保存的目录句柄
     if (!activeSource) {
       try {
         const restored = await restoreSavedHandle();
@@ -176,7 +156,7 @@ export async function loadFromUserFolder(): Promise<string[] | null> {
 
 /**
  * 移除已保存的目录句柄，并清除索引
- * 之后确保索引加载时回退到 CLI/webpack 策略
+ * 之后确保索引加载时回退到 CLI 策略
  */
 export async function switchToBuiltInSource(): Promise<void> {
   await removeHandle();

src/global.d.ts

@@ -35,21 +35,6 @@ interface Window {
   ): Promise<FileSystemDirectoryHandle>;
 }
 
-interface WebpackContext {
-  (path: string): { default?: string } | string;
-  keys(): string[];
-}
-
-interface ImportMeta {
-  webpackContext(
-    directory: string,
-    options: {
-      recursive?: boolean;
-      regExp?: RegExp;
-    },
-  ): WebpackContext;
-}
-
 declare module "*.md" {
   const content: string;
   export default content;