docs: integrate Gur Sannikov ADR workflow + native capabilities audit (4/5)

- Add ADR-Driven Development pattern to methodologies.md (~60 lines)
  - Pattern: ADR → skill → native execution
  - Example ADR template (database migration)
  - Complete bash workflow with benefits
- Add Native Capabilities Audit checklist to architecture.md (~50 lines)
  - 11 native capabilities with internal links
  - Onboarding tip for comprehension audit
- Add Dynamic Model Switching pattern to cheatsheet.md (~40 lines)
  - Pattern: Sonnet → Opus → Sonnet
  - Cost comparison table and best practices
- Add Community Validation to architecture.md (~15 lines)
  - External validation of 'less scaffolding, more model' approach
  - Cursor power user adopting Agent Skills standard
- Track evaluation in docs/resource-evaluations/ (full methodology)
- Update evaluations count: 24 → 55 (README + reference.yaml)
- Update CHANGELOG.md with integration details

Source: https://www.linkedin.com/posts/gursannikov_claudecode-embeddedengineering-aiagents-activity-7423851983331328001-DrFb
Score: 4/5 (HIGH VALUE) - fills ADR workflow gap + onboarding checklist

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

machine-readable/reference.yaml

@@ -390,7 +390,7 @@ deep_dive:
   gsd_note: "Overlap with existing patterns (Ralph Loop, Gas Town, BMAD)"
   # Resource Evaluations (added 2026-01-26, updated 2026-02-07)
   resource_evaluations_directory: "docs/resource-evaluations/"
-  resource_evaluations_count: 24
+  resource_evaluations_count: 55
   resource_evaluations_methodology: "docs/resource-evaluations/README.md"
   resource_evaluations_appendix: "guide/ultimate-guide.md:15034"
   resource_evaluations_readme_section: "README.md:278"