feat: Meeting Assistant MVP - Complete implementation

Enterprise Meeting Knowledge Management System with:

Backend (FastAPI):
- Authentication proxy with JWT (pj-auth-api integration)
- MySQL database with 4 tables (users, meetings, conclusions, actions)
- Meeting CRUD with system code generation (C-YYYYMMDD-XX, A-YYYYMMDD-XX)
- Dify LLM integration for AI summarization
- Excel export with openpyxl
- 20 unit tests (all passing)

Client (Electron):
- Login page with company auth
- Meeting list with create/delete
- Meeting detail with real-time transcription
- Editable transcript textarea (single block, easy editing)
- AI summarization with conclusions/action items
- 5-second segment recording (efficient for long meetings)

Sidecar (Python):
- faster-whisper medium model with int8 quantization
- ONNX Runtime VAD (lightweight, ~20MB vs PyTorch ~2GB)
- Chinese punctuation processing
- OpenCC for Traditional Chinese conversion
- Anti-hallucination parameters
- Auto-cleanup of temp audio files

OpenSpec:
- add-meeting-assistant-mvp (47 tasks, archived)
- add-realtime-transcription (29 tasks, archived)

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

client/package.json

@@ -0,0 +1,47 @@
+{
+  "name": "meeting-assistant",
+  "version": "1.0.0",
+  "description": "Enterprise Meeting Knowledge Management",
+  "main": "src/main.js",
+  "scripts": {
+    "start": "electron .",
+    "build": "electron-builder",
+    "pack": "electron-builder --dir"
+  },
+  "author": "Your Company",
+  "license": "MIT",
+  "devDependencies": {
+    "electron": "^28.0.0",
+    "electron-builder": "^24.9.1"
+  },
+  "dependencies": {
+    "axios": "^1.6.2"
+  },
+  "build": {
+    "appId": "com.company.meeting-assistant",
+    "productName": "Meeting Assistant",
+    "directories": {
+      "output": "dist"
+    },
+    "files": [
+      "src/**/*",
+      "node_modules/**/*"
+    ],
+    "extraResources": [
+      {
+        "from": "../sidecar/dist",
+        "to": "sidecar",
+        "filter": ["**/*"]
+      }
+    ],
+    "win": {
+      "target": "portable"
+    },
+    "mac": {
+      "target": "dmg"
+    },
+    "linux": {
+      "target": "AppImage"
+    }
+  }
+}