Users with workflows that don't need sync-branch (e.g., Graphite PR stacking, single-clone setups) were seeing confusing warnings. Changes: - Remove checkSyncBranchQuick() - no longer warn on every bd command - Change bd doctor from warning to OK status for missing sync-branch - Update message to "Not configured (optional)" Fixes #498 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>