chore: initial commit — leaudit-platform project skeleton

17-table PostgreSQL schema with full Chinese column comments,
FastAPI project structure (admin/common/modules),
DSL rule files, and schema migration scripts.

fastapi_admin/app.py

@@ -0,0 +1,65 @@
+"""FastAPI 应用工厂。"""
+
+from __future__ import annotations
+
+import sys
+from contextlib import asynccontextmanager
+from pathlib import Path
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from fastapi_admin.config import APP_NAME, APP_CORS_ORIGINS
+from fastapi_admin.config._loader import _find_project_root
+
+# 确保项目根在 sys.path
+_PROJECT_ROOT = _find_project_root()
+if str(_PROJECT_ROOT) not in sys.path:
+    sys.path.insert(0, str(_PROJECT_ROOT))
+
+# fastapi_modules 目录加入路径（使 importlib 能找到各模块）
+_FASTMOD = _PROJECT_ROOT / "fastapi_modules"
+_FASTMOD_LEAUDIT = _FASTMOD / "fastapi_leaudit"
+if str(_FASTMOD) not in sys.path:
+    sys.path.insert(0, str(_FASTMOD))
+if str(_FASTMOD_LEAUDIT) not in sys.path:
+    sys.path.insert(0, str(_FASTMOD_LEAUDIT))
+
+
+def create_app() -> FastAPI:
+    """创建并配置 FastAPI 应用。"""
+
+    @asynccontextmanager
+    async def lifespan(app: FastAPI):
+        import logging
+        logging.basicConfig(level=logging.INFO)
+        logging.getLogger("APP").info(f"{APP_NAME} starting...")
+        yield
+        logging.getLogger("APP").info(f"{APP_NAME} shutting down...")
+
+    app = FastAPI(
+        title=APP_NAME,
+        version="1.0.0",
+        lifespan=lifespan,
+        docs_url="/api/docs",
+        redoc_url=None,
+    )
+
+    # CORS
+    origins = [o.strip() for o in APP_CORS_ORIGINS.split(",") if o.strip()]
+    app.add_middleware(
+        CORSMiddleware,
+        allow_origins=origins,
+        allow_credentials=True,
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )
+
+    # 注册控制器
+    from fastapi_admin.bootstrap_parts.controllers import register_controllers
+    register_controllers(app)
+
+    return app
+
+
+app = create_app()