fix group notification

[AndrewZuo01]

🔍 What type of PR is this?

👀 What this PR does / why we need it:

• [x ] My pull request adheres to the code style of this project
• [x ] My code requires changes to the documentation
• [x ] I have updated the documentation as required
• [x ] All the tests have passed

🅰 Which issue(s) this PR fixes:

#1555

Fixes #

📝 Special notes for your reviewer:

🎯 Describe how to verify it

📑 Additional documentation e.g., RFC, notion, Google docs, usage docs, etc.:

[sweep-ai]

Apply Sweep Rules to your PR?

• Apply: All new business logic should have corresponding unit tests.
• Apply: Refactor large functions to be more modular.
• Apply: Add docstrings to all functions and file headers.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (bb44633) 4.88% compared to head (8e94bfc) 4.88%.

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #1557   +/-   ##
=====================================
  Coverage   4.88%   4.88%           
=====================================
  Files         42      42           
  Lines       3787    3787           
=====================================
  Hits         185     185           
  Misses      3592    3592           
  Partials      10      10           

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