refactor: reorganize skill numbering, remove obsolete skills, rename shared libs

- Rename: 00→80 claude-settings-optimizer, 88→79 dintel-skill-update,
  92→81 mac-optimizer, 93→82 tui-design-template
- Rename: dintel-shared → _dintel-shared (consistent with _ourdigital-shared)
- Remove: 61-gtm-manager, 62-gtm-guardian (obsolete), 99_archive
- Update all dintel-* skill refs (114 occurrences across 31 files)
- Sync README.md, CLAUDE.md, AGENTS.md with new structure

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

custom-skills/80-claude-settings-optimizer/code/settings-audit-report.md

@@ -0,0 +1,88 @@
+# Claude Code Settings Audit Report
+
+**Generated:** 2026-01-23 18:06:32
+
+---
+
+## Token Budget Summary
+
+| Component | Tokens | % of 200K | Status |
+|-----------|--------|-----------|--------|
+| CLAUDE.md | 1,411 | 0.7% | 🟢 |
+| MCP Servers | 17,500 | 8.8% | 🟡 |
+| **Baseline Total** | **18,911** | **9.5%** | 🟢 |
+| **Available for Work** | **181,089** | **90.5%** | — |
+
+**Target:** Baseline under 30% (60,000 tokens), Available over 70%
+
+---
+
+## Overall Health: 🟢 Good
+
+- Critical Issues: 0
+- Warnings: 2
+- Passing Checks: 18
+
+---
+
+## MCP Server Analysis
+
+**Servers:** 10 configured
+
+| Server | Tokens | Instructions | Strategy |
+|--------|--------|--------------|----------|
+| filesystem | ~4,000 | ✅ | always |
+| sqlite | ~5,000 | ✅ | lazy |
+| playwright | ~13,500 | ✅ | always |
+| figma | ~5,000 | ✅ | lazy |
+| osascript | ~5,000 | ✅ | lazy |
+| firecrawl | ~6,000 | ✅ | lazy |
+| google-analytics | ~5,000 | ✅ | lazy |
+| chrome-devtools | ~8,000 | ✅ | lazy |
+| exa | ~5,000 | ✅ | lazy |
+| dtm-agent | ~5,000 | ✅ | lazy |
+
+---
+
+## CLAUDE.md Analysis
+
+- **/Users/ourdigital/.claude/CLAUDE.md**: 110 lines, ~800 tokens 🟢
+- **/Users/ourdigital/Project/claude-skills/custom-skills/00-claude-code-setting/code/CLAUDE.md**: 120 lines, ~611 tokens 🟢
+
+---
+
+## Extensions Analysis
+
+- Commands: 1
+- Skills: 1
+- Agents: 5
+
+---
+
+## ⚠️ Warnings
+
+- Command 'settings-audit': Missing YAML frontmatter
+- Command 'settings-audit': Too long: 120 lines (max 100)
+
+---
+
+## ✅ Passing
+
+- MCP 'filesystem': Has serverInstructions
+- MCP 'sqlite': Has serverInstructions
+- MCP 'playwright': Has serverInstructions
+- MCP 'figma': Has serverInstructions
+- MCP 'osascript': Has serverInstructions
+- *...and 13 more*
+
+---
+
+## Next Steps
+
+1. Run `python3 scripts/auto_fix.py` to preview fixes
+2. Run `python3 scripts/auto_fix.py --apply` to apply fixes
+3. Re-run audit to verify improvements
+
+---
+
+*Generated by Claude Code Settings Optimizer*