When config.yaml has malformed YAML, getLocalSyncBranch and isNoDbModeConfigured were silently returning empty/false with no feedback, making debugging difficult. Now they log a warning via debug.Logf when YAML parsing fails. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>