The mergeDriverInstalled() function was only checking for the legacy
"beads.jsonl" filename, but installMergeDriver() writes the canonical
"issues.jsonl" filename. This caused false negatives where users with
the correct canonical configuration would be incorrectly flagged as
"not installed", potentially triggering unnecessary reinstalls.
Changes:
- Update mergeDriverInstalled() to check for both filenames
- Add test for canonical issues.jsonl filename detection
- Ensure existing correct configs are not unnecessarily overwritten
This fixes the inconsistency found during code review of bd-3sz0.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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