Router Registry Cleanup: Archive unreferenced legacy routes

- Moved 29 unreferenced legacy router files to app/routers/archive/
- Restored and registered 'websockets' router in registry.py (exempted from deprecation)
- Cleaned up registry imports and verified application compilation.

app/routers/registry.py

@@ -10,7 +10,7 @@ from app.routers import (
     flask_cfg, hosted_file, api_v3_actions_hosted_file, lookup, 
     organization, page, person, 
     person_user, qr, site, site_domain, user, 
-    util_email, websockets_redis, e_confex, e_cvent, e_impexium, e_stripe
+    util_email, websockets, websockets_redis, e_confex, e_cvent, e_impexium, e_stripe
 )
 
 def setup_routers(app: FastAPI):
@@ -60,6 +60,7 @@ def setup_routers(app: FastAPI):
     app.include_router(site_domain.router, tags=['Site Domain'], dependencies=[Depends(DeprecationParams)])
     app.include_router(user.router, tags=['User'])
     app.include_router(util_email.router, tags=['Utility: Email'])
+    app.include_router(websockets.router, tags=['Websockets'])
     app.include_router(websockets_redis.router, tags=['Websockets (Redis)'])
     
     app.include_router(e_confex.router, prefix='/e/confex', tags=['External Service: Confex'])