add logic for github auth

[emrgnt-cmplxty]

Important

Adds GitHub OAuth logic to oauth_callback_handler in r2r_auth.py, handling user creation and linking by email and GitHub ID.

• Behavior:
  • Adds GitHub OAuth logic in oauth_callback_handler in r2r_auth.py.
  • Checks if user exists by email and GitHub ID; raises exception if user exists but is not linked to GitHub.
  • Creates new user with account_type='oauth' and github_id if not found.
• Misc:
  • Changes account_type from google to oauth for Google users.

^{This description was created by for 810a6f3. It will automatically update as commits are pushed.}

[ellipsis-dev]

❌ Changes requested. Reviewed everything up to 810a6f3 in 59 seconds

More details

• Looked at 41 lines of code in 1 files
• Skipped 0 files when reviewing.
• Skipped posting 1 drafted comments based on config settings.

1. py/core/providers/auth/r2r_auth.py:585

• Draft comment:
  The comment mentions user.google_id in the GitHub section. It should be user.github_id.
• Reason this comment was not posted:
  Comment looked like it was already resolved.

Workflow ID: wflow_lhRhmtiwXTo1f4I6

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[ellipsis-dev]

Avoid using bare except: as it catches all exceptions, including system-exiting ones. Use except Exception: instead.