- Add TestSet cases for main/master rejection in syncbranch_test.go - Add TestInitWithSyncBranch to verify --branch flag works - Add TestInitWithoutBranchFlag to verify no auto-detection (root cause) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>