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tech d080e67c29 test: add comprehensive test suite with 89% coverage

- Add tests for all backend modules: config, database, models, services,
  routes, middleware, and providers
- Separate dev dependencies using dependency-groups
- Update CLAUDE.md with test commands and project structure
- Add .coverage and .pytest_cache to gitignore

88 tests covering:
- Authentication and authorization
- Model routing and key selection
- Async logging with batch processing
- All API endpoints (chat, openai, anthropic, health)
- LiteLLM wrapper (mocked external calls)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-11 19:12:57 +08:00

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CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Project Overview

zzrouter is an AI model API proxy service with OpenAI-compatible and Anthropic support, API key rotation, and request logging.

Project Structure

zzrouter/
├── backend/           # Python FastAPI proxy server
│   ├── app/           # Application code
│   │   ├── middleware/    # Request/response middleware
│   │   ├── models/        # Database models
│   │   ├── providers/     # AI provider clients (OpenAI, Anthropic)
│   │   ├── routes/        # API route handlers
│   │   ├── services/      # Business logic
│   │   ├── config.py      # Configuration settings
│   │   ├── database.py    # Database setup and utilities
│   │   └── main.py        # FastAPI app entry point
│   ├── data/           # SQLite database files
│   ├── tests/          # Test files
│   ├── main.py         # Server entry point
│   └── pyproject.toml  # Python dependencies
├── frontend/          # Frontend (superpowers skill files only)
├── docs/              # Documentation
└── .playwright/       # Playwright browser automation

Backend Commands

cd backend

# Install dependencies (production only)
uv sync

# Install dependencies (with dev tools)
uv sync --group dev

# Run development server (with auto-reload)
uv run uvicorn app.main:app --reload --port 8000

# Run production server
uv run uvicorn app.main:app --port 8000

# Run tests
uv run pytest -v

# Run tests with coverage
uv run pytest -v --cov=app --cov-report=term-missing

# Alternative: run directly
uv run python main.py

API Endpoints

Endpoint	Description
`POST /v1/chat/completions`	OpenAI-compatible chat (auto-routes by model)
`POST /v1/openai/chat/completions`	OpenAI native passthrough
`POST /v1/anthropic/messages`	Anthropic native passthrough
`GET /health`	Health check

Authentication

All API endpoints require Bearer token authentication:

Authorization: Bearer <client_key>

Database

SQLite database stored at backend/data/zzrouter.db.

Key tables:

client_keys - Client API keys
providers - Model provider configs
provider_keys - Provider API keys (supports multiple per provider)
request_logs - Request statistics

Adding Configuration

-- Add a client key
INSERT INTO client_keys (key, name) VALUES ('my-secret-key', 'my-app');

-- Add provider API keys
INSERT INTO provider_keys (provider_id, key) VALUES (1, 'sk-openai-key');
INSERT INTO provider_keys (provider_id, key) VALUES (2, 'sk-ant-anthropic-key');

Frontend

Frontend directory is currently empty and pending implementation.

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