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egg 8b6184ecc5 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>

2025-12-10 20:17:44 +08:00

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middleware Specification

Purpose

TBD - created by archiving change add-meeting-assistant-mvp. Update Purpose after archive.

Requirements

Requirement: FastAPI Server Configuration

The middleware server SHALL be implemented using Python FastAPI framework with environment-based configuration.

Scenario: Server startup with valid configuration

WHEN the server starts with valid .env file containing DB_HOST, DB_PORT, DB_USER, DB_PASS, DB_NAME, DIFY_API_URL, DIFY_API_KEY
THEN the server SHALL start successfully and accept connections

Scenario: Server startup with missing configuration

WHEN the server starts with missing required environment variables
THEN the server SHALL fail to start with descriptive error message

Requirement: Database Connection Pool

The middleware server SHALL maintain a connection pool to the MySQL database at mysql.theaken.com:33306.

Scenario: Database connection success

WHEN the server connects to MySQL with valid credentials
THEN a connection pool SHALL be established and queries SHALL execute successfully

Scenario: Database connection failure

WHEN the database is unreachable
THEN the server SHALL return HTTP 503 with error details for affected endpoints

Requirement: Table Initialization

The middleware server SHALL ensure all required tables exist on startup with the meeting_ prefix.

Scenario: Tables created on first run

WHEN the server starts and tables do not exist
THEN the server SHALL create meeting_users, meeting_records, meeting_conclusions, and meeting_action_items tables

Scenario: Tables already exist

WHEN the server starts and tables already exist
THEN the server SHALL skip table creation and continue normally

Requirement: CORS Configuration

The middleware server SHALL allow cross-origin requests from the Electron client.

Scenario: CORS preflight request

WHEN Electron client sends OPTIONS request
THEN the server SHALL respond with appropriate CORS headers allowing the request

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