Only treat issue IDs as hierarchical (parent.child) when the dot appears AFTER the first hyphen. This prevents false positives when the project directory name contains a dot (e.g., "my.project-abc123" was incorrectly being treated as having parent "my"). Fixes GH#508 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>