Rene Fichtmueller 1d327720d5 feat: Implement Phase 2G.3 — ChatGPT/OpenAI API compatibility adapter
HTTP server providing OpenAI API compatibility for LLM Gateway.

- OpenAI client SDK drop-in replacement (baseURL only change)
- POST /v1/chat/completions endpoint with streaming support
- GET /v1/models for client library discovery
- Automatic model mapping: gpt-4 → qwen2.5:32b, etc.
- Server-Sent Events (SSE) streaming implementation
- Full TypeScript types and comprehensive test suite
- Graceful shutdown handling (SIGTERM/SIGINT)
- Health check endpoint with gateway status
- Performance: Same as gateway (100-500ms with fallback to Ollama)
2026-04-19 22:05:20 +02:00

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{
"name": "@llm-gateway/chatgpt-api-adapter",
"version": "1.0.0",
"description": "OpenAI API compatibility adapter for LLM Gateway",
"type": "module",
"main": "dist/index.js",
"bin": {
"chatgpt-api": "dist/cli.js"
},
"scripts": {
"build": "tsc",
"dev": "tsc --watch",
"start": "node dist/cli.js",
"test": "vitest"
},
"dependencies": {
"@llm-gateway/client": "workspace:*",
"fastify": "^5.3.0",
"@fastify/cors": "^9.0.0"
},
"devDependencies": {
"@types/node": "^20.0.0",
"typescript": "^5.0.0",
"vitest": "^1.0.0"
},
"keywords": [
"openai",
"api",
"compatibility",
"llm",
"gateway",
"chatgpt"
],
"license": "MIT",
"author": "Rene Fichtmueller"
}