🤖 AI Chat Service (Spring Boot)

A Spring Boot middleware service that connects a user to an LLM (via OpenRouter or LM Studio).

It supports personalities, validation, and structured error handling.

⚙️ Configuration 🔑 Option 1: OpenRouter (recommended)

Create an API key at OpenRouter Set environment variable:

OPENROUTER_API_KEY=your_api_key_here

Use these properties:

llm.provider=openrouter llm.base-url=https://openrouter.ai/api llm.api-key=${OPENROUTER_API_KEY}

🧪 How to test

Frontend (easiest) Open: http://localhost:8080/

→ Send messages directly in the UI.

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💻 Option 2: LM Studio (no API key needed) Start LM Studio local server (default port: 1234)

Use these properties: llm.provider=lmstudio llm.base-url=http://localhost:1234 llm.api-key=

Option 3: Swagger (API testing) Open: http://localhost:8080/swagger-ui/index.html

→ Test the API manually using JSON requests.