Fix: Bitbucket authentication related repo cloning issue

[aft]

Problem

Bitbucket Cloud repository cloning was failing with authentication errors. The root cause was a mismatch between the credential formats required by different Bitbucket operations:

• Bitbucket API calls require the full email address (e.g., [email protected])
• Git clone operations require only the username portion (e.g., user)

Previously, the code was passing the full email address to git clone URLs, causing authentication failures like:

fatal: Authentication failed for 'https://bitbucket.org/workspace/repo.git'

Solution

Extract the username from the configured email address when building git clone URLs for Bitbucket repositories. The fix uses JavaScript's split('@')[0] to extract the username portion while maintaining the full email for API authentication.

The getAuthCredentialsForRepo function in utils.ts was updated to handle Bitbucket's specific authentication requirements:

1. The full email from config.user is preserved for API operations
2. Only the username portion is used when constructing the cloneUrlWithToken
3. The username is passed to createGitCloneUrlWithToken which builds the authenticated URL format: https://username:[email protected]/...

Testing

• ✅ Verified with Bitbucket Cloud repositories
• ✅ Confirmed successful authentication and repository cloning

Related Issues

Fixes #573 - Sourcebot not indexing branches for bitbucket

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[brendan-kellam]

To sanity check, will this break Bitbucket server?