feat: 足球 LLM 预测服务初始提交

Profeto — 给 LLM 提供数据,让 LLM 预测足球比分。

核心模块:
- FastAPI 后端 + PostgreSQL (SQLAlchemy async)
- 多 Agent LLM 预测 (5 专家 + 终裁)
- 数据采集 (bzzoiro / understat / injuries)
- React 前端 (Vite + Tailwind)

包含:
- 数据源抽象 (DataSource 协议 + 注册表)
- Alembic 数据库迁移
- Prompt 模板 (单/多 Agent)
- 核心路径单元测试

src/api/app.py

@@ -0,0 +1,57 @@
+"""FastAPI 应用工厂。"""
+from __future__ import annotations
+
+import logging
+from collections.abc import AsyncIterator
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from src.core.config import settings
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI) -> AsyncIterator[None]:
+    from src.db.base import init_db
+    from src.core.http_client import close_client
+    await init_db()
+    yield
+    await close_client()
+
+
+def create_app() -> FastAPI:
+    app = FastAPI(
+        title="Profeto API",
+        description="足球数据 + LLM 预测服务",
+        version="0.1.0",
+        lifespan=lifespan,
+    )
+
+    origins = [o.strip() for o in settings.CORS_ORIGINS.split(",") if o.strip()]
+    app.add_middleware(
+        CORSMiddleware,
+        allow_origins=origins,
+        allow_credentials=True,
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )
+
+    from src.api.routes.matches import router as matches_router
+    from src.api.routes.predict import router as predict_router
+    from src.api.routes.ingest import router as ingest_router
+    from src.api.routes.eval import router as eval_router
+
+    app.include_router(matches_router)
+    app.include_router(predict_router)
+    app.include_router(ingest_router)
+    app.include_router(eval_router)
+
+    @app.get("/health")
+    async def health():
+        return {"status": "healthy", "service": "profeto"}
+
+    return app
+
+
+app = create_app()