# AI Assistant Java (Spring AI + pgvector)

This module is an independent Spring Boot 3 service that provides an OpenAI-compatible API.

## Requirements

- Java 17+
- PostgreSQL with pgvector
- Ollama (local inference)

## Start pgvector (Docker)

```
docker run --name pgvector -e POSTGRES_PASSWORD=postgres -e POSTGRES_DB=assistant \
  -p 5432:5432 -d pgvector/pgvector:pg16
```

## Start Ollama models

```
ollama pull qwen2.5:7b
ollama pull bge-m3
```

## Configure

- `src/main/resources/application.yml`
- `src/main/resources/domains.yml`

## Run

```
./mvnw spring-boot:run
```

## OpenAI-compatible endpoint

```
POST http://127.0.0.1:8010/v1/chat/completions
```

Sample payload:

```
{
  "model": "local",
  "tenant_id": "customer_a",
  "stream": true,
  "messages": [
    {"role": "user", "content": "订单有多少?"}
  ]
}
```