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

alembic/env.py

@@ -0,0 +1,64 @@
+from logging.config import fileConfig
+
+import sys
+from pathlib import Path
+
+from sqlalchemy import engine_from_config, pool
+from alembic import context
+
+# 把项目根加入 pythonpath,让 alembic 能找到 src 包
+sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
+
+from src.db.base import Base  # noqa: E402
+from src.db.models import *  # noqa: E402,F401,F403  # 导入所有模型确保注册
+from src.core.config import settings  # noqa: E402
+
+# this is the Alembic Config object
+config = context.config
+
+# 用 settings 的 DATABASE_URL,但转成 sync 驱动
+DB_URL = settings.DATABASE_URL
+if DB_URL.startswith("postgresql+asyncpg"):
+    DB_URL = DB_URL.replace("postgresql+asyncpg", "postgresql+psycopg2", 1)
+config.set_main_option("sqlalchemy.url", DB_URL)
+
+# Interpret the config file for Python logging.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = Base.metadata
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode."""
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode."""
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(connection=connection, target_metadata=target_metadata)
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()