refactor: consolidate blockchain explorer into single app and update backup ignore patterns

- Remove standalone explorer-web app (README, HTML, package files)
- Add /web endpoint to blockchain-explorer for web interface access
- Update .gitignore to exclude application backup archives (*.tar.gz, *.zip)
- Add backup documentation files to .gitignore (BACKUP_INDEX.md, README.md)
- Consolidate explorer functionality into main blockchain-explorer application

dev/CLI_RELOCATION_SUMMARY.md

@@ -0,0 +1,120 @@
+# CLI Development Environment Relocation Summary
+
+## 🎯 **RELOCATION COMPLETED - March 6, 2026**
+
+**Status**: ✅ **cli-dev moved to dev/cli**
+
+---
+
+## 📊 **Relocation Details**
+
+### **Source → Destination**
+- **From**: `/home/oib/windsurf/aitbc/cli-dev`
+- **To**: `/home/oib/windsurf/aitbc/dev/cli`
+- **Date**: March 6, 2026
+- **Reason**: Better project organization within dev structure
+
+### **Files Moved**
+All CLI development environment files successfully relocated:
+
+**Configuration Files**:
+- `.aitbc.yaml` - Production URL configuration
+- `cli-staging-config.yaml` - Staging configuration
+- `cli-test-config.yaml` - Test configuration
+- `cli-staging-config-8002.yaml` - Port-specific config
+- `cli-staging-config-dynamic.yaml` - Dynamic config
+
+**Development Tools**:
+- `mock-cli-server.py` - FastAPI mock server
+- `mock_server_8002.py` - Port-specific mock server
+- `test-cli-functionality.sh` - Functionality tests
+- `test-cli-staging.sh` - Staging tests
+
+**Documentation**:
+- `CLI_IMPROVEMENTS.md` - Improvement plans
+- `CLI_WORKAROUNDS.md` - Workaround guide
+- `DEVELOPMENT_SUMMARY.md` - Development summary
+
+**Logs**:
+- `mock-server.log` - Mock server logs
+- `mock_server_8002.log` - Port-specific logs
+- `mock-server-dynamic.log` - Dynamic server logs
+
+---
+
+## 🎯 **Benefits of Relocation**
+
+### **✅ Improved Organization**
+- **Centralized development**: All dev tools in `/dev/` directory
+- **Logical grouping**: CLI development alongside other dev tools
+- **Consistent structure**: Follows project organization patterns
+
+### **✅ Better Access**
+- **Unified dev environment**: `/dev/` contains all development tools
+- **Easier navigation**: Single location for development resources
+- **Logical hierarchy**: `dev/cli/` clearly indicates purpose
+
+---
+
+## 📁 **New Directory Structure**
+
+```
+dev/
+├── cache/           # Development cache files
+├── ci/              # Continuous integration
+├── cli/             # CLI development environment ✅ NEW LOCATION
+├── env/             # Development environments
+├── examples/        # Development examples
+├── gpu/             # GPU development tools
+├── logs/            # Development logs
+├── multi-chain/     # Multi-chain development
+├── onboarding/      # Developer onboarding
+├── ops/             # Operations tools
+├── scripts/         # Development scripts
+├── service/         # Service development
+└── tests/           # Development tests
+```
+
+---
+
+## 🔄 **Updated References**
+
+### **Documentation Updated**
+- `docs/1_project/aitbc.md` - CLI development directory reference
+- `dev/cli/DEVELOPMENT_SUMMARY.md` - Location information added
+
+### **Path Changes**
+- Old: `/home/oib/windsurf/aitbc/cli-dev`
+- New: `/home/oib/windsurf/aitbc/dev/cli`
+
+---
+
+## 🚀 **Impact Assessment**
+
+### **Zero Production Impact**
+- ✅ Production CLI (`/cli`) remains unchanged
+- ✅ All development tools preserved
+- ✅ No functionality lost
+- ✅ Configuration files intact
+
+### **Improved Development Workflow**
+- ✅ All development tools centralized in `/dev/`
+- ✅ Easier to maintain and backup
+- ✅ Consistent with project organization standards
+- ✅ Clear separation of production vs development
+
+---
+
+## 🎉 **Completion Status**
+
+**Relocation**: ✅ **COMPLETE**  
+**File Integrity**: ✅ **VERIFIED**  
+**Documentation**: ✅ **UPDATED**  
+**Functionality**: ✅ **PRESERVED**  
+**Organization**: ✅ **IMPROVED**
+
+---
+
+**The CLI development environment is now properly organized within the unified `/dev/` structure, maintaining all functionality while improving project organization.**
+
+*Completed: March 6, 2026*