* chore: track selected claude skills in git and remove unused files

- Delete agents/, commands/, settings, and code-review skills
- Add 5 target skills (jira-driven-planning, pr-review-analysis, pr-to-main, pr-to-main-cleanup, pr-to-production)
- Update .gitignore to track .claude/skills/ only

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* chore: track .mcp.json in git

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* chore: update hero.png

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

…666)

* fix: preserve hyphens in Mermaid node IDs for correct group tracking

- Changed sanitizeNodeId to keep hyphens (e.g., group-1 stays group-1)
- Only full-sanitize IDs starting with Mermaid reserved words (end, subgraph, etc.)
- Fixes mismatch between Mermaid diagram IDs and Group Node Execution Tracking table

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: use end_ prefix for End node IDs to avoid Mermaid reserved word conflict

- Changed end-node-default to end_node_default in workflow-store.ts
- Changed end- prefix to end_ in NodePalette.tsx ID generation
- Changed subAgentFlowId-end suffix to _end in refinement-service.ts
- Updated all end- node IDs in workflow-schema.json examples
- Regenerated workflow-schema.toon

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Release: v3.30.1

## [3.30.1](v3.30.0...v3.30.1) (2026-03-20)

### Bug Fixes

* preserve hyphens in Mermaid node IDs and unify End node prefix ([#666](#666)) ([1e1f890](1e1f890))