v1.9.1 — Conflict Scan Fixes & Concurrency Safety

Summary

• Fixed markdown numbering in SKILL.md
• Integrated nelson_conflict_scan.py into the workflow in SKILL.md
• Added JSON support to nelson_conflict_scan.py to parse battle-plan.json
• Fixed Python import resolution and JS/TS import regex in nelson_conflict_scan.py
• Fixed JSON backup crash risk and timestamp parsing in nelson-data.py
• Added file locking for concurrency safety in nelson-data.py
• Removed empty boilerplate codemap.md files from references/
• Moved nelson_conflict_scan.py and its tests to skills/nelson/scripts/ to ensure distribution with the skill
• Updated script paths in SKILL.md and structured-data.md to reference .claude/skills/nelson/scripts/
• Fixed a critical regex greediness bug in nelson_conflict_scan.py for JS/TS imports