Initial commit: SQL audit platform v0.1.0

FastAPI backend with auth, user, instance, ticket, query, dashboard APIs.
React + TypeScript frontend with mock data UI (10 pages).
SQLite + async SQLAlchemy, JWT auth, role-based access control.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/app/core/config.py

@@ -0,0 +1,25 @@
+from pydantic_settings import BaseSettings
+from functools import lru_cache
+
+
+class Settings(BaseSettings):
+    ENV: str = "development"
+    DEBUG: bool = True
+
+    SECRET_KEY: str = "dev-secret-key-change-in-production"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
+    ALGORITHM: str = "HS256"
+
+    DATABASE_URL: str = "sqlite+aiosqlite:///./sqlite3.db"
+
+    ADMIN_USERNAME: str = "admin"
+    ADMIN_PASSWORD: str = "123456"
+
+    class Config:
+        env_file = ".env"
+        env_file_encoding = "utf-8"
+
+
+@lru_cache()
+def get_settings() -> Settings:
+    return Settings()