fix: move CapacitySnapshot import to monitoring in alembic env

Also update platform domains to production values:
- main: wizard.lu
- oms: oms.lu
- loyalty: rewardflow.lu

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/core/config.py

@@ -96,7 +96,7 @@ class Settings(BaseSettings):
     # =============================================================================
     # PLATFORM DOMAIN CONFIGURATION
     # =============================================================================
-    platform_domain: str = "orion.lu"
+    platform_domain: str = "wizard.lu"
 
     # Custom domain features
     allow_custom_domains: bool = True