docs: Add documentation updates, diagrams, and archive summary

- Update custom_tags.yaml configuration
- Add comprehensive documentation for new modules:
  - conversation.rst (Phase 3 conversational AI)
  - exploration.rst (document exploration engine)
  - qa.rst (Q&A system)
  - synthesis.rst (multi-document synthesis)
- Update CodeDocs index and skills documentation
- Add 39 new call graph diagrams for all modules
- Add ARCHIVE_REORGANIZATION_SUMMARY.md
- Update analyze_missing_requirements.py script
- Add runtime data patterns to .gitignore (metrics, ab_tests)

Author: vinod0m

.gitignore

@@ -342,3 +342,7 @@ documentation-output/
 # External dependencies (now managed as pip packages, reference in oss/)
 requirements_agent/docling/
 .env
+# Runtime data files (metrics and experiments)
+data/metrics/*.csv
+data/metrics/*.json
+data/ab_tests/*.json

config/custom_tags.yaml

@@ -5,4 +5,4 @@ tag_templates:
     extraction_strategy: rag_ready
     output_format: markdown
     rag_enabled: true
-last_updated: '2025-10-07T02:14:18.540659'
+last_updated: '2025-10-07T09:56:00.042931'