- Integrate CapWidget with dual-scope capability on the frontend and protect registration/send-email-code endpoints on the backend.
- Set session cookie SameSite mode to Lax.
- Propagate request context through auth source database operations and optimize username uniqueness validation.
- Standardize local error naming to camelCase and resolve references.
- Fix linter rules, missing SheetContent closing tag, and unit tests.
Bind OAuth state payloads to the initiating session token and user ID.
Verifies session token hash continuity during callback, and validates that
the user ID completing the binding flow matches the user ID that initiated it.
ryan