- update prefix/number parsing to use the last hyphen across utils and nodb paths
- add regression tests covering multi-hyphen prefixes in both packages
- Added tests for extractIssuePrefix, loadIssuesFromJSONL, detectPrefix, writeIssuesToJSONL
- Added tests for walkWithDepth depth limiting and hidden directory skipping
- Added tests for DiscoverDaemons registry and legacy discovery paths
- Improved test coverage for cmd/bd and internal/daemon