chore(version): bump version to 2.7.6-beta1

[imjuni]

Summary

• Bump package version from 2.7.5 to 2.7.6

Test plan

• Verify package.json version is correct
• Confirm build passes

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (4fdfb58) to head (9f7e5c0).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #194   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           91        91           
  Lines         2268      2268           
  Branches       457       457           
=========================================
  Hits          2268      2268           

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