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/models/ticket.py

@@ -0,0 +1,26 @@
+from sqlalchemy import Column, Integer, String, Text, DateTime, ForeignKey, func
+
+from app.core.database import Base
+
+
+class Ticket(Base):
+    __tablename__ = "tickets"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    title = Column(String(200), nullable=False)
+    db_type = Column(String(20), nullable=False)
+    instance_id = Column(Integer, ForeignKey("instances.id"), nullable=False)
+    target_database = Column(String(100), nullable=False)
+    sql_content = Column(Text, nullable=False)
+    rollback_sql = Column(Text, nullable=True)
+    status = Column(String(20), default="pending")  # pending / reviewing / approved / rejected / executing / success / failed
+    priority = Column(String(10), default="medium")  # high / medium / low
+    applicant_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    approver_id = Column(Integer, ForeignKey("users.id"), nullable=True)
+    reason = Column(Text, nullable=True)
+    audit_result = Column(Text, nullable=True)
+    execute_result = Column(Text, nullable=True)
+    create_time = Column(DateTime, server_default=func.now())
+    review_time = Column(DateTime, nullable=True)
+    execute_time = Column(DateTime, nullable=True)
+    updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())