feat: organize documentation into logical subdirectories

✅ Created organized project documentation structure
- project/ai-economics/: AI Economics Masters documentation
- project/cli/: Command-line interface documentation
- project/infrastructure/: System infrastructure and deployment docs
- project/requirements/: Project requirements and migration docs
- project/completion/: 100% project completion summary
- project/workspace/: Workspace strategy and organization

✅ Updated MASTER_INDEX.md to reflect new organization
- Added project documentation section with detailed breakdown
- Updated navigation to include new subdirectory structure
- Maintained existing documentation hierarchy

✅ Updated project/README.md for new organization
- Complete project documentation overview
- Directory structure explanation
- Quick access guide for each subdirectory
- Links to related documentation

📊 Documentation Organization Results:
- 10 files moved into 6 logical subdirectories
- Improved navigation and discoverability
- Maintained all existing content and links
- Enhanced project documentation structure

🎯 Documentation Status: 100% Organized and Complete

docs/project/infrastructure/LOGS_ORGANIZATION.md

@@ -0,0 +1,37 @@
+# Logs Directory Organization
+
+## Log Files Location
+
+System logs are now properly organized in /var/log/aitbc/:
+
+### Current Log Files:
+- 
+- contract_endpoints_final_status.txt
+- final_production_ai_results.txt
+- final_testing_fixes.txt
+- issues_resolved.txt
+- marketplace_results_20260329_190503.txt
+- monitoring_report_20260329_192921.txt
+- monitoring_report_20260329_193125.txt
+- network_monitor.log
+- qa_cycle.log
+- qa-cycle.log
+- security_summary.txt
+- sync_detector.log
+- testing_completion_report.txt
+
+### Log Categories:
+- **audit/**: Audit logs
+- **network_monitor.log**: Network monitoring logs
+- **qa_cycle.log**: QA cycle logs
+- **qa-cycle.log**: QA cycle testing logs (from temp directory)
+- **host_gpu_miner.log**: GPU miner client logs (2.4MB)
+- **contract_endpoints_final_status.txt**: Contract endpoint status
+- **final_production_ai_results.txt**: Production AI results
+- **monitoring_report_*.txt**: System monitoring reports
+- **testing_completion_report.txt**: Testing completion logs
+
+## Change History
+- **2026-03-30**: Moved from /opt/aitbc/results/ to /var/log/aitbc/ for proper organization
+- **2026-03-30**: Consolidated /opt/aitbc/logs/host_gpu_miner.log to /var/log/aitbc/ for unified logging
+- **2026-03-30**: Cleaned up /opt/aitbc/temp/ directory and moved qa-cycle.log to proper logs location