Deduplicate and prune project root and docs/ directory

- Consolidate setup documentation: merge COMPLETE_SETUP_INSTRUCTIONS into QUICK_START
- Consolidate status docs: merge SETUP_PROGRESS, SETUP_COMPLETE, COMPLETION_STATUS into STATUS
- Consolidate review docs: merge REVIEW_SUMMARY into PROJECT_REVIEW
- Archive 7 redundant files to docs/archive/
- Update DOCUMENTATION_INDEX.md and README.md references
- Create archive README explaining consolidation
- Reduce root documentation from 19 to 13 files (32% reduction)
- Eliminate ~400 lines of duplicate content

docs/archive/README.md

@@ -0,0 +1,36 @@
+# Archived Documentation
+
+**Archive Date:** 2024-12-19  
+**Purpose:** Historical documentation preserved for reference
+
+## Archived Files
+
+This directory contains documentation files that have been consolidated or are no longer actively maintained:
+
+1. **COMPLETE_SETUP_INSTRUCTIONS.md** - Content merged into `QUICK_START.md`
+2. **SETUP_PROGRESS.md** - Content merged into `STATUS.md`
+3. **SETUP_COMPLETE.md** - Content merged into `STATUS.md`
+4. **COMPLETION_STATUS.md** - Content merged into `STATUS.md`
+5. **REVIEW_SUMMARY.md** - Content merged into `PROJECT_REVIEW.md`
+6. **CLEANUP_SUMMARY.md** - Historical cleanup record
+7. **PROJECT_ROOT_CLEANUP.md** - Outdated cleanup documentation
+
+## Consolidation Summary
+
+### Setup Documentation
+- **Primary:** `QUICK_START.md` (consolidated from COMPLETE_SETUP_INSTRUCTIONS.md)
+- **Database:** `DATABASE_SETUP.md` (kept separate for detailed DB config)
+- **Submodules:** `SUBMODULE_SETUP.md` (kept separate for submodule management)
+
+### Status Documentation
+- **Primary:** `STATUS.md` (consolidated from SETUP_PROGRESS, SETUP_COMPLETE, COMPLETION_STATUS)
+- **Review:** `PROJECT_REVIEW.md` (consolidated from REVIEW_SUMMARY)
+
+## Current Active Documentation
+
+See [../README.md](../README.md) and [../../DOCUMENTATION_INDEX.md](../../DOCUMENTATION_INDEX.md) for current documentation structure.
+
+---
+
+**Note:** These files are preserved for historical reference but should not be used for current setup or status information.
+