Switch repository to master branch as requested

[Copilot]

This PR implements the requested branch switch from the current copilot branch to the master branch.

Changes Made

• Fetched the master branch from the remote repository using git fetch origin master:master
• Successfully checked out the master branch using git checkout master
• Verified the branch switch was completed successfully

Context

The repository was previously on the copilot/fix-e394608d-601f-477a-8f37-c6abd37147e2 branch. The problem statement requested executing git checkout master to switch to the master branch.

Verification

• Confirmed master branch exists on remote (refs/heads/master)
• Successfully switched from copilot branch to master branch
• Verified working directory contents are intact after branch switch
• Current branch is now master as confirmed by git branch and git status

This is a straightforward branch switch operation with no code changes required.

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