feat: interview review module with whisper.cpp ASR + AI analysis + frontend page

New backend module 'interview-review' provides:
- Audio upload (50MB limit, MP3/M4A/WAV/AAC/OGG/MP4/WebM)
- Text transcript submission
- whisper.cpp local ASR integration (tiny + base models)
- AI analysis (4-dimension scoring: logic/expression/professionalism/stability)
- Speech analysis (filler words detection, pace, duration)
- Async processing pipeline with status polling
- Graceful fallback to mock ASR when whisper unavailable

New frontend page 'pages/review/review.vue' with 3 modes:
- List mode: review history with status indicators
- Upload mode: audio file upload or text paste
- Report mode: score radar, dimension bars, analysis details

Docs updated: PROJECT-STATUS.md v4.4, FEATURE-LIST.md v4.2, ROADMAP.md v4.2

zhiyin-app/src/pages.json

@@ -18,6 +18,7 @@
     { "path": "pages/agreement/agreement", "style": { "navigationBarTitleText": "用户协议" } },
     { "path": "pages/privacy/privacy", "style": { "navigationBarTitleText": "隐私政策" } },
     { "path": "pages/share/share", "style": { "navigationBarTitleText": "我的分享" } }
+    {"path": "pages/review/review", "style": {"navigationBarTitleText": "面试复盘"}},
   ],
   "tabBar": {
     "color": "#999999",