Add Pre-Push Hook Support

[ductrl]

Description

Add support for installing CommitGate as a Git pre-push hook in addition to the existing pre-commit hook.

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Reason

Feedback from many users indicate that running review scan on every commit adds too much friction to the development workflow.

The pre-push option results in fewer scans, lower API usage, and less development interruption.

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Proposed Changes

• Extend hook installation to support both pre-commit and pre-push
• Add configuration options:
  • hook_type: pre-commit / pre-push
• Update install hook command to install the selected hook type
• Ensure duplicate hooks are not added
• Update setup instructions.

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Acceptance Criteria

• Users can configure CommitGate as a pre-push hook.
• Hook installer handles existing hooks safely.
• Documentation includes examples for both modes.

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Priority

• High

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Related Files