refactor: optimize analyze-with-file SKILL.md structure, merge duplicates

- Merge 7 duplicate content blocks into single-source-of-truth sections
  (Recording Protocol, Reference tables, Templates)
- Restructure from 1229 to ~970 lines (~21% reduction) with all content preserved
- Add cross-references instead of inline re-definitions
- Restore missing fields: exploration decisions, actionable finding sources,
  heuristic examples, Documentation Practices, Perspectives Selection note

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: catlog22