Huge v2 uplift, now deployable with real user management and tooling!

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

server/requirements.txt

@@ -2,3 +2,15 @@ fastapi>=0.109.0
 uvicorn[standard]>=0.27.0
 websockets>=12.0
 python-dotenv>=1.0.0
+# V2: Event sourcing infrastructure
+asyncpg>=0.29.0
+redis>=5.0.0
+# V2: Authentication
+resend>=2.0.0
+bcrypt>=4.1.0
+# V2: Production monitoring (optional)
+sentry-sdk[fastapi]>=1.40.0
+
+# Testing
+pytest>=8.0.0
+pytest-asyncio>=0.23.0