feat: Add review events persistence, version display, and auto-versioning system

backend/migrate.py

@@ -4,7 +4,7 @@
 
 import asyncio
 from app.database import engine, Base
-from app.models import Organization, ReviewTask, Repository, PullRequest, Review, Comment
+from app.models import Organization, ReviewTask, Repository, PullRequest, Review, Comment, ReviewEvent
 
 
 async def create_tables():
@@ -20,6 +20,7 @@ async def create_tables():
     print("   - pull_requests")
     print("   - reviews")
     print("   - comments")
+    print("   - review_events")
 
 
 if __name__ == "__main__":