Phase 3 — WS frame + REST fallbacka

app/main.py

@@ -4,6 +4,10 @@ import logging
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
+from app.api.middleware.rate_limit import TierRateLimitMiddleware
+from app.api.middleware.sanitizer import SanitizerMiddleware
+from app.config.settings import settings
+
 logging.basicConfig(
     level=logging.INFO,
     format="%(asctime)s %(levelname)s %(name)s: %(message)s",
@@ -11,10 +15,6 @@ logging.basicConfig(
 logging.getLogger("sqlalchemy.engine").setLevel(logging.WARNING)
 logging.getLogger("sqlalchemy.pool").setLevel(logging.WARNING)
 
-from app.api.middleware.rate_limit import TierRateLimitMiddleware
-from app.api.middleware.sanitizer import SanitizerMiddleware
-from app.config.settings import settings
-
 
 async def _memory_audit_cron_tick() -> None:
     """Weekly cron: contradiction scan + label canonicalization for all users (Phase 7)."""