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/config/__init__.pyi

@@ -0,0 +1,55 @@
+"""类型存根 —— 为 IDE 提供动态导出变量的类型信息。"""
+
+# APP
+APP_NAME: str
+APP_HOST: str
+APP_PORT: int
+APP_CORS_ORIGINS: str
+
+# JWT
+JWT_SECRET_KEY: str
+JWT_ACCESS_TOKEN_EXPIRE_HOURS: int
+JWT_ALGORITHM: str
+
+# DB
+DB_HOST: str
+DB_PORT: int
+DB_NAME: str
+DB_USER: str
+DB_PASSWORD: str
+ASYNCPG_DATABASE_URL: str
+
+# Redis
+REDIS_HOST: str
+REDIS_PORT: int
+REDIS_DB: int
+REDIS_PASSWORD: str
+
+# OSS
+OSS_ENDPOINT: str
+OSS_ACCESS_KEY: str
+OSS_SECRET_KEY: str
+OSS_BUCKET: str
+OSS_REGION: str
+
+# LLM
+LLM_BASE_URL: str
+LLM_MODEL: str
+LLM_API_KEY: str
+
+# VLM
+VLM_BASE_URL: str
+VLM_MODEL: str
+
+# OCR
+OCR_BASE_URL: str
+OCR_TIMEOUT: int
+
+# LEAUDIT
+LEAUDIT_RULES_DIR: str
+LEAUDIT_RESCUE_MODE: str
+LEAUDIT_LLM_MAX_CONCURRENCY: int
+LEAUDIT_VLM_MAX_CONCURRENCY: int
+
+# 常量
+ROOT_PATH: object