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/schemas/dashboard.py

@@ -0,0 +1,13 @@
+from pydantic import BaseModel
+from typing import Optional
+
+
+class DashboardStats(BaseModel):
+    ticket_total: int = 0
+    ticket_pending: int = 0
+    ticket_month: int = 0
+    ticket_executing: int = 0
+    instance_total: int = 0
+    instance_online: int = 0
+    user_total: int = 0
+    queries_today: int = 0