fix: 修復導航一致性問題，建立統一的 Navigation 組件

🔧 導航系統重構：
- 建立可重用的 Navigation 組件
- 統一所有頁面的頂部導航
- 修復 flashcards 頁面導航消失問題
- 更新 dashboard 頁面使用新組件

🎯 導航功能：
- DramaLing Logo（點擊回到 dashboard）
- 主要導航：儀表板、詞卡、學習、AI 生成
- 用戶資訊：頭像、用戶名、登出按鈕
- 當前頁面高亮顯示

🚀 用戶體驗改進：
- 所有頁面導航一致
- 清晰的視覺層次
- 響應式設計
- 平滑的互動效果

現在用戶可以在任何頁面輕鬆導航到其他功能！

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/.next/app-build-manifest.json

@@ -35,6 +35,11 @@
       "static/chunks/webpack.js",
       "static/chunks/main-app.js",
       "static/chunks/app/flashcards/page.js"
+    ],
+    "/generate/page": [
+      "static/chunks/webpack.js",
+      "static/chunks/main-app.js",
+      "static/chunks/app/generate/page.js"
     ]
   }
 }

frontend/.next/server/app-paths-manifest.json

@@ -1,4 +1,7 @@
 {
+  "/login/page": "app/login/page.js",
+  "/generate/page": "app/generate/page.js",
+  "/dashboard/page": "app/dashboard/page.js",
   "/register/page": "app/register/page.js",
-  "/login/page": "app/login/page.js"
+  "/flashcards/page": "app/flashcards/page.js"
 }

frontend/.next/static/chunks/app/layout.js

@@ -15,7 +15,7 @@
 /***/ ((module, __webpack_exports__, __webpack_require__) => {
 
 "use strict";
-eval(__webpack_require__.ts("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */   \"default\": () => (__WEBPACK_DEFAULT_EXPORT__)\n/* harmony export */ });\n/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (\"1a537eb5ba7b\");\nif (true) { module.hot.accept() }\n//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiKGFwcC1wYWdlcy1icm93c2VyKS8uL2FwcC9nbG9iYWxzLmNzcyIsIm1hcHBpbmdzIjoiOzs7O0FBQUEsaUVBQWUsY0FBYztBQUM3QixJQUFJLElBQVUsSUFBSSxpQkFBaUIiLCJzb3VyY2VzIjpbIi9Vc2Vycy9qZXR0Y2hlbmcxMDE4L2NvZGUvZHJhbWFsaW5nLXZvY2FiLWxlYXJuaW5nL2Zyb250ZW5kL2FwcC9nbG9iYWxzLmNzcyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgZGVmYXVsdCBcIjFhNTM3ZWI1YmE3YlwiXG5pZiAobW9kdWxlLmhvdCkgeyBtb2R1bGUuaG90LmFjY2VwdCgpIH1cbiJdLCJuYW1lcyI6W10sImlnbm9yZUxpc3QiOltdLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///(app-pages-browser)/./app/globals.css\n"));
+eval(__webpack_require__.ts("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */   \"default\": () => (__WEBPACK_DEFAULT_EXPORT__)\n/* harmony export */ });\n/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (\"fdcd4ccf38fb\");\nif (true) { module.hot.accept() }\n//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiKGFwcC1wYWdlcy1icm93c2VyKS8uL2FwcC9nbG9iYWxzLmNzcyIsIm1hcHBpbmdzIjoiOzs7O0FBQUEsaUVBQWUsY0FBYztBQUM3QixJQUFJLElBQVUsSUFBSSxpQkFBaUIiLCJzb3VyY2VzIjpbIi9Vc2Vycy9qZXR0Y2hlbmcxMDE4L2NvZGUvZHJhbWFsaW5nLXZvY2FiLWxlYXJuaW5nL2Zyb250ZW5kL2FwcC9nbG9iYWxzLmNzcyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgZGVmYXVsdCBcImZkY2Q0Y2NmMzhmYlwiXG5pZiAobW9kdWxlLmhvdCkgeyBtb2R1bGUuaG90LmFjY2VwdCgpIH1cbiJdLCJuYW1lcyI6W10sImlnbm9yZUxpc3QiOltdLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///(app-pages-browser)/./app/globals.css\n"));
 
 /***/ }),
 

frontend/.next/static/webpack/0a62ebb926bbee91.webpack.hot-update.json

@@ -0,0 +1 @@
+{"c":["app/layout","webpack"],"r":[],"m":[]}

frontend/.next/static/webpack/2f372f747e2a80a6.webpack.hot-update.json

@@ -0,0 +1 @@
+{"c":["webpack"],"r":[],"m":[]}

frontend/.next/static/webpack/58caba527fcdb9f0.webpack.hot-update.json

@@ -0,0 +1 @@
+{"c":["app/layout","webpack"],"r":[],"m":[]}

frontend/.next/static/webpack/6847424edef4a857.webpack.hot-update.json

@@ -0,0 +1 @@
+{"c":["app/layout","app/dashboard/page","webpack"],"r":[],"m":[]}

frontend/.next/static/webpack/94e69a03f85ff02d.webpack.hot-update.json

@@ -0,0 +1 @@
+{"c":["app/layout","app/flashcards/page","webpack"],"r":[],"m":[]}

frontend/.next/static/webpack/94f087c16bddeb84.webpack.hot-update.json

@@ -0,0 +1 @@
+{"c":["app/layout","app/flashcards/page","webpack"],"r":[],"m":[]}

frontend/.next/static/webpack/a80a3c5572c39252.webpack.hot-update.json

@@ -0,0 +1 @@
+{"c":["app/layout","webpack"],"r":[],"m":[]}

frontend/.next/static/webpack/app/layout.0a62ebb926bbee91.hot-update.js

@@ -0,0 +1,22 @@
+"use strict";
+/*
+ * ATTENTION: An "eval-source-map" devtool has been used.
+ * This devtool is neither made for production nor for readable output files.
+ * It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
+ * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
+ * or disable the default devtool with "devtool: false".
+ * If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
+ */
+self["webpackHotUpdate_N_E"]("app/layout",{
+
+/***/ "(app-pages-browser)/./app/globals.css":
+/*!*************************!*\
+  !*** ./app/globals.css ***!
+  \*************************/
+/***/ ((module, __webpack_exports__, __webpack_require__) => {
+
+eval(__webpack_require__.ts("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */   \"default\": () => (__WEBPACK_DEFAULT_EXPORT__)\n/* harmony export */ });\n/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (\"4899cbc790f0\");\nif (true) { module.hot.accept() }\n//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiKGFwcC1wYWdlcy1icm93c2VyKS8uL2FwcC9nbG9iYWxzLmNzcyIsIm1hcHBpbmdzIjoiOzs7O0FBQUEsaUVBQWUsY0FBYztBQUM3QixJQUFJLElBQVUsSUFBSSxpQkFBaUIiLCJzb3VyY2VzIjpbIi9Vc2Vycy9qZXR0Y2hlbmcxMDE4L2NvZGUvZHJhbWFsaW5nLXZvY2FiLWxlYXJuaW5nL2Zyb250ZW5kL2FwcC9nbG9iYWxzLmNzcyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgZGVmYXVsdCBcIjQ4OTljYmM3OTBmMFwiXG5pZiAobW9kdWxlLmhvdCkgeyBtb2R1bGUuaG90LmFjY2VwdCgpIH1cbiJdLCJuYW1lcyI6W10sImlnbm9yZUxpc3QiOltdLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///(app-pages-browser)/./app/globals.css\n"));
+
+/***/ })
+
+});

frontend/.next/static/webpack/app/layout.58caba527fcdb9f0.hot-update.js

@@ -0,0 +1,22 @@
+"use strict";
+/*
+ * ATTENTION: An "eval-source-map" devtool has been used.
+ * This devtool is neither made for production nor for readable output files.
+ * It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
+ * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
+ * or disable the default devtool with "devtool: false".
+ * If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
+ */
+self["webpackHotUpdate_N_E"]("app/layout",{
+
+/***/ "(app-pages-browser)/./app/globals.css":
+/*!*************************!*\
+  !*** ./app/globals.css ***!
+  \*************************/
+/***/ ((module, __webpack_exports__, __webpack_require__) => {
+
+eval(__webpack_require__.ts("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */   \"default\": () => (__WEBPACK_DEFAULT_EXPORT__)\n/* harmony export */ });\n/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (\"883f16b213de\");\nif (true) { module.hot.accept() }\n//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiKGFwcC1wYWdlcy1icm93c2VyKS8uL2FwcC9nbG9iYWxzLmNzcyIsIm1hcHBpbmdzIjoiOzs7O0FBQUEsaUVBQWUsY0FBYztBQUM3QixJQUFJLElBQVUsSUFBSSxpQkFBaUIiLCJzb3VyY2VzIjpbIi9Vc2Vycy9qZXR0Y2hlbmcxMDE4L2NvZGUvZHJhbWFsaW5nLXZvY2FiLWxlYXJuaW5nL2Zyb250ZW5kL2FwcC9nbG9iYWxzLmNzcyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgZGVmYXVsdCBcIjg4M2YxNmIyMTNkZVwiXG5pZiAobW9kdWxlLmhvdCkgeyBtb2R1bGUuaG90LmFjY2VwdCgpIH1cbiJdLCJuYW1lcyI6W10sImlnbm9yZUxpc3QiOltdLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///(app-pages-browser)/./app/globals.css\n"));
+
+/***/ })
+
+});

frontend/.next/static/webpack/app/layout.6847424edef4a857.hot-update.js

@@ -0,0 +1,22 @@
+"use strict";
+/*
+ * ATTENTION: An "eval-source-map" devtool has been used.
+ * This devtool is neither made for production nor for readable output files.
+ * It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
+ * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
+ * or disable the default devtool with "devtool: false".
+ * If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
+ */
+self["webpackHotUpdate_N_E"]("app/layout",{
+
+/***/ "(app-pages-browser)/./app/globals.css":
+/*!*************************!*\
+  !*** ./app/globals.css ***!
+  \*************************/
+/***/ ((module, __webpack_exports__, __webpack_require__) => {
+
+eval(__webpack_require__.ts("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */   \"default\": () => (__WEBPACK_DEFAULT_EXPORT__)\n/* harmony export */ });\n/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (\"fdcd4ccf38fb\");\nif (true) { module.hot.accept() }\n//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiKGFwcC1wYWdlcy1icm93c2VyKS8uL2FwcC9nbG9iYWxzLmNzcyIsIm1hcHBpbmdzIjoiOzs7O0FBQUEsaUVBQWUsY0FBYztBQUM3QixJQUFJLElBQVUsSUFBSSxpQkFBaUIiLCJzb3VyY2VzIjpbIi9Vc2Vycy9qZXR0Y2hlbmcxMDE4L2NvZGUvZHJhbWFsaW5nLXZvY2FiLWxlYXJuaW5nL2Zyb250ZW5kL2FwcC9nbG9iYWxzLmNzcyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgZGVmYXVsdCBcImZkY2Q0Y2NmMzhmYlwiXG5pZiAobW9kdWxlLmhvdCkgeyBtb2R1bGUuaG90LmFjY2VwdCgpIH1cbiJdLCJuYW1lcyI6W10sImlnbm9yZUxpc3QiOltdLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///(app-pages-browser)/./app/globals.css\n"));
+
+/***/ })
+
+});

frontend/.next/static/webpack/app/layout.94e69a03f85ff02d.hot-update.js

@@ -0,0 +1,22 @@
+"use strict";
+/*
+ * ATTENTION: An "eval-source-map" devtool has been used.
+ * This devtool is neither made for production nor for readable output files.
+ * It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
+ * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
+ * or disable the default devtool with "devtool: false".
+ * If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
+ */
+self["webpackHotUpdate_N_E"]("app/layout",{
+
+/***/ "(app-pages-browser)/./app/globals.css":
+/*!*************************!*\
+  !*** ./app/globals.css ***!
+  \*************************/
+/***/ ((module, __webpack_exports__, __webpack_require__) => {
+
+eval(__webpack_require__.ts("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */   \"default\": () => (__WEBPACK_DEFAULT_EXPORT__)\n/* harmony export */ });\n/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (\"2a88c01b578d\");\nif (true) { module.hot.accept() }\n//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiKGFwcC1wYWdlcy1icm93c2VyKS8uL2FwcC9nbG9iYWxzLmNzcyIsIm1hcHBpbmdzIjoiOzs7O0FBQUEsaUVBQWUsY0FBYztBQUM3QixJQUFJLElBQVUsSUFBSSxpQkFBaUIiLCJzb3VyY2VzIjpbIi9Vc2Vycy9qZXR0Y2hlbmcxMDE4L2NvZGUvZHJhbWFsaW5nLXZvY2FiLWxlYXJuaW5nL2Zyb250ZW5kL2FwcC9nbG9iYWxzLmNzcyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgZGVmYXVsdCBcIjJhODhjMDFiNTc4ZFwiXG5pZiAobW9kdWxlLmhvdCkgeyBtb2R1bGUuaG90LmFjY2VwdCgpIH1cbiJdLCJuYW1lcyI6W10sImlnbm9yZUxpc3QiOltdLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///(app-pages-browser)/./app/globals.css\n"));
+
+/***/ })
+
+});

frontend/.next/static/webpack/app/layout.94f087c16bddeb84.hot-update.js

@@ -0,0 +1,22 @@
+"use strict";
+/*
+ * ATTENTION: An "eval-source-map" devtool has been used.
+ * This devtool is neither made for production nor for readable output files.
+ * It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
+ * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
+ * or disable the default devtool with "devtool: false".
+ * If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
+ */
+self["webpackHotUpdate_N_E"]("app/layout",{
+
+/***/ "(app-pages-browser)/./app/globals.css":
+/*!*************************!*\
+  !*** ./app/globals.css ***!
+  \*************************/
+/***/ ((module, __webpack_exports__, __webpack_require__) => {
+
+eval(__webpack_require__.ts("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */   \"default\": () => (__WEBPACK_DEFAULT_EXPORT__)\n/* harmony export */ });\n/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (\"c6e8fe368f87\");\nif (true) { module.hot.accept() }\n//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiKGFwcC1wYWdlcy1icm93c2VyKS8uL2FwcC9nbG9iYWxzLmNzcyIsIm1hcHBpbmdzIjoiOzs7O0FBQUEsaUVBQWUsY0FBYztBQUM3QixJQUFJLElBQVUsSUFBSSxpQkFBaUIiLCJzb3VyY2VzIjpbIi9Vc2Vycy9qZXR0Y2hlbmcxMDE4L2NvZGUvZHJhbWFsaW5nLXZvY2FiLWxlYXJuaW5nL2Zyb250ZW5kL2FwcC9nbG9iYWxzLmNzcyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgZGVmYXVsdCBcImM2ZThmZTM2OGY4N1wiXG5pZiAobW9kdWxlLmhvdCkgeyBtb2R1bGUuaG90LmFjY2VwdCgpIH1cbiJdLCJuYW1lcyI6W10sImlnbm9yZUxpc3QiOltdLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///(app-pages-browser)/./app/globals.css\n"));
+
+/***/ })
+
+});

frontend/.next/static/webpack/app/layout.a80a3c5572c39252.hot-update.js

@@ -0,0 +1,22 @@
+"use strict";
+/*
+ * ATTENTION: An "eval-source-map" devtool has been used.
+ * This devtool is neither made for production nor for readable output files.
+ * It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
+ * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
+ * or disable the default devtool with "devtool: false".
+ * If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
+ */
+self["webpackHotUpdate_N_E"]("app/layout",{
+
+/***/ "(app-pages-browser)/./app/globals.css":
+/*!*************************!*\
+  !*** ./app/globals.css ***!
+  \*************************/
+/***/ ((module, __webpack_exports__, __webpack_require__) => {
+
+eval(__webpack_require__.ts("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */   \"default\": () => (__WEBPACK_DEFAULT_EXPORT__)\n/* harmony export */ });\n/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (\"a365266cf440\");\nif (true) { module.hot.accept() }\n//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiKGFwcC1wYWdlcy1icm93c2VyKS8uL2FwcC9nbG9iYWxzLmNzcyIsIm1hcHBpbmdzIjoiOzs7O0FBQUEsaUVBQWUsY0FBYztBQUM3QixJQUFJLElBQVUsSUFBSSxpQkFBaUIiLCJzb3VyY2VzIjpbIi9Vc2Vycy9qZXR0Y2hlbmcxMDE4L2NvZGUvZHJhbWFsaW5nLXZvY2FiLWxlYXJuaW5nL2Zyb250ZW5kL2FwcC9nbG9iYWxzLmNzcyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgZGVmYXVsdCBcImEzNjUyNjZjZjQ0MFwiXG5pZiAobW9kdWxlLmhvdCkgeyBtb2R1bGUuaG90LmFjY2VwdCgpIH1cbiJdLCJuYW1lcyI6W10sImlnbm9yZUxpc3QiOltdLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///(app-pages-browser)/./app/globals.css\n"));
+
+/***/ })
+
+});

frontend/.next/static/webpack/app/layout.fbad9fe969969005.hot-update.js

@@ -0,0 +1,22 @@
+"use strict";
+/*
+ * ATTENTION: An "eval-source-map" devtool has been used.
+ * This devtool is neither made for production nor for readable output files.
+ * It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
+ * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
+ * or disable the default devtool with "devtool: false".
+ * If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
+ */
+self["webpackHotUpdate_N_E"]("app/layout",{
+
+/***/ "(app-pages-browser)/./app/globals.css":
+/*!*************************!*\
+  !*** ./app/globals.css ***!
+  \*************************/
+/***/ ((module, __webpack_exports__, __webpack_require__) => {
+
+eval(__webpack_require__.ts("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */   \"default\": () => (__WEBPACK_DEFAULT_EXPORT__)\n/* harmony export */ });\n/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (\"cb0eaaf5ac4a\");\nif (true) { module.hot.accept() }\n//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiKGFwcC1wYWdlcy1icm93c2VyKS8uL2FwcC9nbG9iYWxzLmNzcyIsIm1hcHBpbmdzIjoiOzs7O0FBQUEsaUVBQWUsY0FBYztBQUM3QixJQUFJLElBQVUsSUFBSSxpQkFBaUIiLCJzb3VyY2VzIjpbIi9Vc2Vycy9qZXR0Y2hlbmcxMDE4L2NvZGUvZHJhbWFsaW5nLXZvY2FiLWxlYXJuaW5nL2Zyb250ZW5kL2FwcC9nbG9iYWxzLmNzcyJdLCJzb3VyY2VzQ29udGVudCI6WyJleHBvcnQgZGVmYXVsdCBcImNiMGVhYWY1YWM0YVwiXG5pZiAobW9kdWxlLmhvdCkgeyBtb2R1bGUuaG90LmFjY2VwdCgpIH1cbiJdLCJuYW1lcyI6W10sImlnbm9yZUxpc3QiOltdLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///(app-pages-browser)/./app/globals.css\n"));
+
+/***/ })
+
+});

frontend/.next/static/webpack/fbad9fe969969005.webpack.hot-update.json

@@ -0,0 +1 @@
+{"c":["app/layout","app/dashboard/page","webpack"],"r":[],"m":[]}

frontend/.next/static/webpack/webpack.0a62ebb926bbee91.hot-update.js

@@ -0,0 +1,12 @@
+"use strict";
+self["webpackHotUpdate_N_E"]("webpack",{},
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frontend/.next/static/webpack/webpack.2f372f747e2a80a6.hot-update.js

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frontend/.next/static/webpack/webpack.58caba527fcdb9f0.hot-update.js

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+/******/ function(__webpack_require__) { // webpackRuntimeModules
+/******/ /* webpack/runtime/getFullHash */
+/******/ (() => {
+/******/ 	__webpack_require__.h = () => ("94f087c16bddeb84")
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+/******/ 
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+)
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+;

frontend/.next/static/webpack/webpack.6847424edef4a857.hot-update.js

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+"use strict";
+self["webpackHotUpdate_N_E"]("webpack",{},
+/******/ function(__webpack_require__) { // webpackRuntimeModules
+/******/ /* webpack/runtime/getFullHash */
+/******/ (() => {
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+/******/ 
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+)
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
+;

frontend/.next/static/webpack/webpack.94e69a03f85ff02d.hot-update.js

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+"use strict";
+self["webpackHotUpdate_N_E"]("webpack",{},
+/******/ function(__webpack_require__) { // webpackRuntimeModules
+/******/ /* webpack/runtime/getFullHash */
+/******/ (() => {
+/******/ 	__webpack_require__.h = () => ("58caba527fcdb9f0")
+/******/ })();
+/******/ 
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+)
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJpZ25vcmVMaXN0IjpbMF0sIm1hcHBpbmdzIjoiQUFBQSIsInNvdXJjZXMiOlsid2VicGFjay1pbnRlcm5hbDovL25leHRqcy93ZWJwYWNrLmpzIl0sInNvdXJjZXNDb250ZW50IjpbIi8vIFRoaXMgc291cmNlIHdhcyBnZW5lcmF0ZWQgYnkgTmV4dC5qcyBiYXNlZCBvZmYgb2YgdGhlIGdlbmVyYXRlZCBXZWJwYWNrIHJ1bnRpbWUuXG4vLyBUaGUgbWFwcGluZ3MgYXJlIGluY29ycmVjdC5cbi8vIFRvIGdldCB0aGUgY29ycmVjdCBsaW5lL2NvbHVtbiBtYXBwaW5ncywgdHVybiBvZmYgc291cmNlbWFwcyBpbiB5b3VyIGRlYnVnZ2VyLlxuXG5zZWxmW1wid2VicGFja0hvdFVwZGF0ZV9OX0VcIl0oXCJ3ZWJwYWNrXCIse30sXG4vKioqKioqLyBmdW5jdGlvbihfX3dlYnBhY2tfcmVxdWlyZV9fKSB7IC8vIHdlYnBhY2tSdW50aW1lTW9kdWxlc1xuLyoqKioqKi8gLyogd2VicGFjay9ydW50aW1lL2dldEZ1bGxIYXNoICovXG4vKioqKioqLyAoKCkgPT4ge1xuLyoqKioqKi8gXHRfX3dlYnBhY2tfcmVxdWlyZV9fLmggPSAoKSA9PiAoXCI1OGNhYmE1MjdmY2RiOWYwXCIpXG4vKioqKioqLyB9KSgpO1xuLyoqKioqKi8gXG4vKioqKioqLyB9XG4pIl19
+;

frontend/.next/static/webpack/webpack.94f087c16bddeb84.hot-update.js

@@ -0,0 +1,12 @@
+"use strict";
+self["webpackHotUpdate_N_E"]("webpack",{},
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+/******/ /* webpack/runtime/getFullHash */
+/******/ (() => {
+/******/ 	__webpack_require__.h = () => ("fbad9fe969969005")
+/******/ })();
+/******/ 
+/******/ }
+)
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
+;

frontend/.next/static/webpack/webpack.a80a3c5572c39252.hot-update.js

@@ -0,0 +1,12 @@
+"use strict";
+self["webpackHotUpdate_N_E"]("webpack",{},
+/******/ function(__webpack_require__) { // webpackRuntimeModules
+/******/ /* webpack/runtime/getFullHash */
+/******/ (() => {
+/******/ 	__webpack_require__.h = () => ("94e69a03f85ff02d")
+/******/ })();
+/******/ 
+/******/ }
+)
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
+;

frontend/.next/static/webpack/webpack.fbad9fe969969005.hot-update.js

@@ -0,0 +1,12 @@
+"use strict";
+self["webpackHotUpdate_N_E"]("webpack",{},
+/******/ function(__webpack_require__) { // webpackRuntimeModules
+/******/ /* webpack/runtime/getFullHash */
+/******/ (() => {
+/******/ 	__webpack_require__.h = () => ("6847424edef4a857")
+/******/ })();
+/******/ 
+/******/ }
+)
+//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
+;

frontend/.next/types/app/generate/page.ts

@@ -0,0 +1,84 @@
+// File: /Users/jettcheng1018/code/dramaling-vocab-learning/frontend/app/generate/page.tsx
+import * as entry from '../../../../app/generate/page.js'
+import type { ResolvingMetadata, ResolvingViewport } from 'next/dist/lib/metadata/types/metadata-interface.js'
+
+type TEntry = typeof import('../../../../app/generate/page.js')
+
+type SegmentParams<T extends Object = any> = T extends Record<string, any>
+  ? { [K in keyof T]: T[K] extends string ? string | string[] | undefined : never }
+  : T
+
+// Check that the entry is a valid entry
+checkFields<Diff<{
+  default: Function
+  config?: {}
+  generateStaticParams?: Function
+  revalidate?: RevalidateRange<TEntry> | false
+  dynamic?: 'auto' | 'force-dynamic' | 'error' | 'force-static'
+  dynamicParams?: boolean
+  fetchCache?: 'auto' | 'force-no-store' | 'only-no-store' | 'default-no-store' | 'default-cache' | 'only-cache' | 'force-cache'
+  preferredRegion?: 'auto' | 'global' | 'home' | string | string[]
+  runtime?: 'nodejs' | 'experimental-edge' | 'edge'
+  maxDuration?: number
+  
+  metadata?: any
+  generateMetadata?: Function
+  viewport?: any
+  generateViewport?: Function
+  experimental_ppr?: boolean
+  
+}, TEntry, ''>>()
+
+
+// Check the prop type of the entry function
+checkFields<Diff<PageProps, FirstArg<TEntry['default']>, 'default'>>()
+
+// Check the arguments and return type of the generateMetadata function
+if ('generateMetadata' in entry) {
+  checkFields<Diff<PageProps, FirstArg<MaybeField<TEntry, 'generateMetadata'>>, 'generateMetadata'>>()
+  checkFields<Diff<ResolvingMetadata, SecondArg<MaybeField<TEntry, 'generateMetadata'>>, 'generateMetadata'>>()
+}
+
+// Check the arguments and return type of the generateViewport function
+if ('generateViewport' in entry) {
+  checkFields<Diff<PageProps, FirstArg<MaybeField<TEntry, 'generateViewport'>>, 'generateViewport'>>()
+  checkFields<Diff<ResolvingViewport, SecondArg<MaybeField<TEntry, 'generateViewport'>>, 'generateViewport'>>()
+}
+
+// Check the arguments and return type of the generateStaticParams function
+if ('generateStaticParams' in entry) {
+  checkFields<Diff<{ params: SegmentParams }, FirstArg<MaybeField<TEntry, 'generateStaticParams'>>, 'generateStaticParams'>>()
+  checkFields<Diff<{ __tag__: 'generateStaticParams', __return_type__: any[] | Promise<any[]> }, { __tag__: 'generateStaticParams', __return_type__: ReturnType<MaybeField<TEntry, 'generateStaticParams'>> }>>()
+}
+
+export interface PageProps {
+  params?: Promise<SegmentParams>
+  searchParams?: Promise<any>
+}
+export interface LayoutProps {
+  children?: React.ReactNode
+
+  params?: Promise<SegmentParams>
+}
+
+// =============
+// Utility types
+type RevalidateRange<T> = T extends { revalidate: any } ? NonNegative<T['revalidate']> : never
+
+// If T is unknown or any, it will be an empty {} type. Otherwise, it will be the same as Omit<T, keyof Base>.
+type OmitWithTag<T, K extends keyof any, _M> = Omit<T, K>
+type Diff<Base, T extends Base, Message extends string = ''> = 0 extends (1 & T) ? {} : OmitWithTag<T, keyof Base, Message>
+
+type FirstArg<T extends Function> = T extends (...args: [infer T, any]) => any ? unknown extends T ? any : T : never
+type SecondArg<T extends Function> = T extends (...args: [any, infer T]) => any ? unknown extends T ? any : T : never
+type MaybeField<T, K extends string> = T extends { [k in K]: infer G } ? G extends Function ? G : never : never
+
+
+
+function checkFields<_ extends { [k in keyof any]: never }>() {}
+
+// https://github.com/sindresorhus/type-fest
+type Numeric = number | bigint
+type Zero = 0 | 0n
+type Negative<T extends Numeric> = T extends Zero ? never : `${T}` extends `-${string}` ? T : never
+type NonNegative<T extends Numeric> = T extends Zero ? T : Negative<T> extends never ? T : '__invalid_negative_number__'

frontend/app/dashboard/page.tsx

@@ -3,6 +3,7 @@
 import Link from 'next/link'
 import { useState } from 'react'
 import { ProtectedRoute } from '@/components/ProtectedRoute'
+import { Navigation } from '@/components/Navigation'
 import { useAuth } from '@/contexts/AuthContext'
 
 function DashboardContent() {
@@ -35,39 +36,7 @@ function DashboardContent() {
   return (
     <div className="min-h-screen bg-gray-50">
       {/* Navigation */}
-      <nav className="bg-white shadow-sm border-b">
-        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
-          <div className="flex justify-between h-16">
-            <div className="flex items-center space-x-8">
-              <h1 className="text-2xl font-bold text-primary">DramaLing</h1>
-              <div className="hidden md:flex space-x-6">
-                <Link href="/dashboard" className="text-gray-900 font-medium">儀表板</Link>
-                <Link href="/flashcards" className="text-gray-600 hover:text-gray-900">詞卡</Link>
-                <Link href="/learn" className="text-gray-600 hover:text-gray-900">學習</Link>
-              </div>
-            </div>
-            <div className="flex items-center space-x-4">
-              <button className="p-2 text-gray-600 hover:text-gray-900">
-                <svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 17h5l-1.405-1.405A2.032 2.032 0 0118 14.158V11a6.002 6.002 0 00-4-5.659V5a2 2 0 10-4 0v.341C7.67 6.165 6 8.388 6 11v3.159c0 .538-.214 1.055-.595 1.436L4 17h5m6 0v1a3 3 0 11-6 0v-1m6 0H9" />
-                </svg>
-              </button>
-              <div className="flex items-center space-x-2">
-                <div className="w-8 h-8 bg-primary rounded-full flex items-center justify-center text-white font-semibold">
-                  {user?.username?.[0]?.toUpperCase() || 'U'}
-                </div>
-                <span className="text-sm font-medium">{user?.displayName || user?.username}</span>
-                <button
-                  onClick={logout}
-                  className="ml-4 text-sm text-gray-600 hover:text-gray-900"
-                >
-                  登出
-                </button>
-              </div>
-            </div>
-          </div>
-        </div>
-      </nav>
+      <Navigation />
 
       {/* Main Content */}
       <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">

frontend/app/flashcards/page.tsx

@@ -3,6 +3,7 @@
 import { useState, useEffect } from 'react'
 import Link from 'next/link'
 import { ProtectedRoute } from '@/components/ProtectedRoute'
+import { Navigation } from '@/components/Navigation'
 import { FlashcardForm } from '@/components/FlashcardForm'
 import { flashcardsService, type CardSet, type Flashcard } from '@/lib/services/flashcards'
 
@@ -125,7 +126,10 @@ function FlashcardsContent() {
 
   return (
     <div className="min-h-screen bg-gray-50">
-      {/* Header */}
+      {/* Navigation */}
+      <Navigation />
+
+      {/* Page Header */}
       <div className="bg-white border-b border-gray-200">
         <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
           <div className="flex justify-between items-center py-6">

frontend/components/Navigation.tsx

@@ -0,0 +1,69 @@
+'use client'
+
+import Link from 'next/link'
+import { usePathname } from 'next/navigation'
+import { useAuth } from '@/contexts/AuthContext'
+
+export function Navigation() {
+  const { user, logout } = useAuth()
+  const pathname = usePathname()
+
+  const navItems = [
+    { href: '/dashboard', label: '儀表板' },
+    { href: '/flashcards', label: '詞卡' },
+    { href: '/learn', label: '學習' },
+    { href: '/generate', label: 'AI 生成' },
+  ]
+
+  return (
+    <nav className="bg-white shadow-sm border-b">
+      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
+        <div className="flex justify-between h-16">
+          <div className="flex items-center space-x-8">
+            <Link href="/dashboard" className="text-2xl font-bold text-primary">
+              DramaLing
+            </Link>
+            <div className="hidden md:flex space-x-6">
+              {navItems.map((item) => (
+                <Link
+                  key={item.href}
+                  href={item.href}
+                  className={`font-medium transition-colors ${
+                    pathname === item.href
+                      ? 'text-primary'
+                      : 'text-gray-600 hover:text-gray-900'
+                  }`}
+                >
+                  {item.label}
+                </Link>
+              ))}
+            </div>
+          </div>
+
+          <div className="flex items-center space-x-4">
+            {/* 通知按鈕 */}
+            <button className="p-2 text-gray-600 hover:text-gray-900">
+              <svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 17h5l-1.405-1.405A2.032 2.032 0 0118 14.158V11a6.002 6.002 0 00-4-5.659V5a2 2 0 10-4 0v.341C7.67 6.165 6 8.388 6 11v3.159c0 .538-.214 1.055-.595 1.436L4 17h5m6 0v1a3 3 0 11-6 0v-1m6 0H9" />
+              </svg>
+            </button>
+
+            {/* 用戶資訊 */}
+            <div className="flex items-center space-x-2">
+              <div className="w-8 h-8 bg-primary rounded-full flex items-center justify-center text-white font-semibold">
+                {user?.username?.[0]?.toUpperCase() || 'U'}
+              </div>
+              <span className="text-sm font-medium">{user?.displayName || user?.username}</span>
+              <button
+                onClick={logout}
+                className="ml-4 text-sm text-gray-600 hover:text-gray-900"
+              >
+                登出
+              </button>
+            </div>
+          </div>
+        </div>
+      </div>
+    </nav>
+  )
+}