chore: remove configuration files and enhance blockchain explorer with advanced search, analytics, and export features

- Delete .aitbc.yaml.example CLI configuration template
- Delete .lycheeignore link checker exclusion rules
- Delete .nvmrc Node.js version specification
- Add advanced search panel with filters for address, amount range, transaction type, time range, and validator
- Add analytics dashboard with transaction volume, active addresses, and block time metrics
- Add Chart.js integration

.github/workflows/build-macos-packages.yml

@@ -0,0 +1,170 @@
+name: Build macOS Native Packages
+
+on:
+  push:
+    branches: [ main, develop ]
+    paths:
+      - 'cli/**'
+      - 'packages/**'
+  pull_request:
+    branches: [ main ]
+    paths:
+      - 'cli/**'
+      - 'packages/**'
+  release:
+    types: [ published ]
+  workflow_dispatch:
+
+jobs:
+  build-macos:
+    runs-on: ubuntu-latest
+    container:
+      image: debian:trixie
+    strategy:
+      matrix:
+        target:
+          - macos-arm64
+          - macos-x86_64
+    
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      
+    - name: Update package lists
+      run: apt-get update
+      
+    - name: Install build dependencies
+      run: |
+        apt-get install -y \
+          build-essential \
+          python3.13 \
+          python3.13-venv \
+          python3.13-pip \
+          python3.13-dev \
+          python3-setuptools \
+          python3-wheel \
+          python3-cryptography \
+          xar \
+          cpio \
+          openssl \
+          rsync \
+          tar \
+          gzip \
+          curl \
+          bc
+          
+    - name: Set up Python
+      run: |
+        python3.13 -m venv /opt/venv
+        /opt/venv/bin/pip install --upgrade pip setuptools wheel pyinstaller
+        echo '/opt/venv/bin' >> $GITHUB_PATH
+        
+    - name: Build macOS packages
+      run: |
+        cd packages
+        ./build-macos-packages.sh
+        
+    - name: Upload macOS packages
+      uses: actions/upload-artifact@v4
+      with:
+        name: macos-packages-${{ matrix.target }}
+        path: packages/github/packages/macos/
+        retention-days: 30
+        
+    - name: Generate release notes
+      if: github.event_name == 'release'
+      run: |
+        echo "## macOS Native Packages" > release_notes.md
+        echo "" >> release_notes.md
+        echo "### Installation" >> release_notes.md
+        echo '```bash' >> release_notes.md
+        echo "curl -fsSL https://raw.githubusercontent.com/aitbc/aitbc/main/packages/github/packages/macos/install-macos-native.sh | bash" >> release_notes.md
+        echo '```' >> release_notes.md
+        echo "" >> release_notes.md
+        echo "### Features" >> release_notes.md
+        echo "- Native macOS performance" >> release_notes.md
+        echo "- No dependencies required" >> release_notes.md
+        echo "- Universal binary (Intel + Apple Silicon)" >> release_notes.md
+        echo "- Complete CLI functionality" >> release_notes.md
+        
+    - name: Create Release
+      if: github.event_name == 'release'
+      uses: softprops/action-gh-release@v2
+      with:
+        files: packages/github/packages/macos/*.pkg
+        body_path: release_notes.md
+        draft: false
+        prerelease: false
+        generate_release_notes: true
+
+  build-all-targets:
+    needs: build-macos
+    runs-on: ubuntu-latest
+    steps:
+    - name: Download all artifacts
+      uses: actions/download-artifact@v4
+      with:
+        path: packages/github/packages/macos/
+        pattern: macos-packages-*
+        
+    - name: Create universal package
+      run: |
+        cd packages/github/packages/macos/
+        
+        # Create combined installer
+        cat > install-macos-universal.sh << 'EOF'
+        #!/bin/bash
+        # AITBC CLI Universal macOS Installer
+        
+        ARCH=$(uname -m)
+        if [[ "$ARCH" == "arm64" ]]; then
+          echo "Installing for Apple Silicon..."
+          curl -fsSL https://raw.githubusercontent.com/aitbc/aitbc/main/packages/github/packages/macos/install-macos-arm64.sh | bash
+        else
+          echo "Installing for Intel Mac..."
+          curl -fsSL https://raw.githubusercontent.com/aitbc/aitbc/main/packages/github/packages/macos/install-macos-x86_64.sh | bash
+        fi
+        EOF
+        
+        chmod +x install-macos-universal.sh
+        
+    - name: Upload universal installer
+      uses: actions/upload-artifact@v4
+      with:
+        name: macos-universal-installer
+        path: packages/github/packages/macos/install-macos-universal.sh
+        retention-days: 30
+
+  test-macos:
+    needs: build-macos
+    runs-on: macos-latest
+    steps:
+    - name: Download macOS packages
+      uses: actions/download-artifact@v4
+      with:
+        name: macos-packages-macos-x86_64
+        path: /tmp/
+        
+    - name: Install package
+      run: |
+        cd /tmp
+        sudo installer -pkg aitbc-cli-0.1.0.pkg -target /
+        
+    - name: Test installation
+      run: |
+        aitbc --version
+        aitbc --help
+        aitbc wallet balance
+        
+    - name: Verify functionality
+      run: |
+        # Test basic commands
+        aitbc config show
+        aitbc blockchain --help
+        aitbc marketplace --help
+        
+    - name: Test completion
+      run: |
+        # Test bash completion
+        source /usr/local/etc/bash_completion.d/aitbc
+        echo "Testing completion..."