Summary

Relocate documentation files from root level to appropriate docs/ subdirectories and consolidate duplicate documents to improve repository organization and reduce maintenance burden.

Background (Why)

• Multiple documentation files exist at root level that should be in docs/
• THREAD_SYSTEM_CAPABILITIES_SUMMARY.md (762 lines) significantly overlaps with docs/FEATURES.md (959 lines)
• EXPLORATION_SUMMARY.md appears to be a temporary analysis document
• ARCHITECTURE_DIAGRAM.md at root level breaks documentation organization pattern
• Numbered files in docs/advanced/ (01-ARCHITECTURE.md, 02-API_REFERENCE.md) are redundant with main docs
• Current structure doesn't follow ecosystem documentation standards

Root-level files that need attention:

thread_system/
├── README.md                              # OK - stays at root
├── README.kr.md                           # OK - stays at root
├── THREAD_SYSTEM_CAPABILITIES_SUMMARY.md  # Should merge into docs/FEATURES.md
├── EXPLORATION_SUMMARY.md                 # Should be deleted (temp file)
└── ARCHITECTURE_DIAGRAM.md                # Should move to docs/

Scope (What)

Current State

Proposed State

thread_system/
├── README.md
├── README.kr.md
└── docs/
    ├── FEATURES.md                    # Enhanced with unique content from CAPABILITIES_SUMMARY
    ├── ARCHITECTURE_DIAGRAM.md        # Moved from root
    └── advanced/
        ├── ARCHITECTURE.md            # Renamed from 01-ARCHITECTURE.md
        └── API_REFERENCE.md           # Renamed from 02-API_REFERENCE.md

Impact Analysis (Where)

Files to Modify

Cross-Reference Updates

• Any links to deleted/moved files in README.md
• Any links in docs/README.md navigation
• Any external documentation references

Implementation Plan (How)

Phase 1: Content Analysis

1. Compare THREAD_SYSTEM_CAPABILITIES_SUMMARY.md with docs/FEATURES.md
2. Identify unique content in CAPABILITIES_SUMMARY not in FEATURES.md
3. Document content to be merged

Phase 2: Content Merge

4. Add unique content from CAPABILITIES_SUMMARY to FEATURES.md
5. Verify FEATURES.md is comprehensive and well-organized
6. Review merged document for consistency

Phase 3: File Operations

7. Delete THREAD_SYSTEM_CAPABILITIES_SUMMARY.md
8. Delete EXPLORATION_SUMMARY.md
9. Move ARCHITECTURE_DIAGRAM.md to docs/
10. Rename docs/advanced/01-ARCHITECTURE.md to ARCHITECTURE.md
11. Rename docs/advanced/02-API_REFERENCE.md to API_REFERENCE.md

Phase 4: Link Updates

12. Update README.md to remove/update references
13. Update docs/README.md navigation
14. Search and update any other internal links

Phase 5: Verification

15. Verify all links work correctly
16. Verify no broken references in documentation
17. Run any documentation build/validation scripts

Acceptance Criteria

• No documentation files at root level (except README.md, README.kr.md)
• docs/FEATURES.md contains all relevant feature documentation
• docs/advanced/ files have clean names without numbering prefixes
• All internal documentation links are valid
• Documentation structure matches ecosystem standard
• No content loss from consolidation

Related Issues

• Part of Epic: docs: [Epic] Standardize documentation structure across all ecosystem systems common_system#303

Labels

• documentation
• enhancement
• cleanup