feat: show 'create pr' if commits are ahead of main

[Valley-15]

Problem:
The 'Create PR' button was only visible when the working directory had uncommitted changes. If a user committed locally but hadn't yet opened a PR, the button would disappear.

Solution:
Updated FileChangesPanel.tsx to ensure branchAhead status is tracked even when hasChanges is true. This allows the "Create PR" button to persist as long as the local branch is ahead of main.

Verification:
Verified via code analysis that the branchAhead state is no longer reset by uncommitted file presence.

[vercel]

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[greptile-apps]

Greptile Summary

Removed the hasChanges condition from the branch status check effect hook, ensuring that branchAhead state is properly tracked even when there are no uncommitted file changes. This allows the "Create PR" button to remain visible when the local branch is ahead of main with only committed changes.

Key changes:

• Removed || hasChanges guard from line 227, changing if (!safeTaskPath || hasChanges) to if (!safeTaskPath)
• The effect now runs whenever safeTaskPath or hasChanges changes (kept in dependency array at line 265), but only checks branch status when there's a valid task path
• Fixes UX issue where users who committed locally but hadn't pushed/opened a PR would lose visibility of the "Create PR" button

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The change is a simple one-line removal that fixes a clear logical bug in the branch status check. The logic now correctly checks branch ahead status regardless of uncommitted changes, which aligns with the intended UX behavior. The effect dependencies remain unchanged, and the change doesn't introduce any side effects or breaking changes.
• No files require special attention

Important Files Changed

Filename	Overview
src/renderer/components/FileChangesPanel.tsx	Removed hasChanges guard from branchAhead status check, ensuring 'Create PR' button appears when branch is ahead of main even without uncommitted changes

_{Last reviewed commit: 98f0a28}

[arnestrickmann]

Thanks!