feat: add SQL query tool, platform debug, loyalty settings, and multi-module improvements

- Add admin SQL query tool with saved queries, schema explorer presets,
  and collapsible category sections (dev_tools module)
- Add platform debug tool for admin diagnostics
- Add loyalty settings page with owner-only access control
- Fix loyalty settings owner check (use currentUser instead of window.__userData)
- Replace HTTPException with AuthorizationException in loyalty routes
- Expand loyalty module with PIN service, Apple Wallet, program management
- Improve store login with platform detection and multi-platform support
- Update billing feature gates and subscription services
- Add store platform sync improvements and remove is_primary column
- Add unit tests for loyalty (PIN, points, stamps, program services)
- Update i18n translations across dev_tools locales

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

app/modules/tenancy/schemas/auth.py

@@ -20,6 +20,9 @@ class UserLogin(BaseModel):
     store_code: str | None = Field(
         None, description="Optional store code for context"
     )
+    platform_code: str | None = Field(
+        None, description="Platform code from login context"
+    )
 
     @field_validator("email_or_username")
     @classmethod
@@ -200,6 +203,7 @@ class StoreUserResponse(BaseModel):
     email: str
     role: str
     is_active: bool
+    platform_code: str | None = None
 
     model_config = {"from_attributes": True}