📚 Update documentation with pipx installation instructions

- Added pipx as recommended installation method across all docs
- Updated troubleshooting guides with PEP 668 error solutions
- Added multiple installation options with clear hierarchy
- Enhanced error handling instructions with fallback options
- Consistent installation instructions throughout documentation

Docs/Developer-Guide/testing-debugging.md

@@ -240,7 +240,7 @@ if command -v SuperClaude &> /dev/null; then
     echo "   ✅ SuperClaude installation available"
     python3 -m SuperClaude --version
 else
-    echo "   ❌ SuperClaude not found - install with: pip install SuperClaude"
+    echo "   ❌ SuperClaude not found - install with: pipx install SuperClaude (or pip install SuperClaude)"
 fi
 
 # Check context files

Docs/Getting-Started/installation.md

@@ -4,13 +4,19 @@ SuperClaude installs behavioral context files that Claude Code reads to enhance
 
 ## Quick Start 🚀
 
-**Python (Recommended):**
+**pipx (Recommended for Linux/macOS):**
+```bash
+pipx install SuperClaude
+SuperClaude install
+```
+
+**pip (Traditional):**
 ```bash
 pip install SuperClaude
 SuperClaude install
 ```
 
-**NPM:**
+**NPM (Cross-platform):**
 ```bash
 npm install -g @bifrost_inc/superclaude
 SuperClaude install
@@ -24,6 +30,18 @@ pip install -e ".[dev]"
 SuperClaude install --dry-run
 ```
 
+**If you encounter PEP 668 errors:**
+```bash
+# Option 1: Use pipx (recommended)
+pipx install SuperClaude
+
+# Option 2: Use pip with --user flag
+pip install --user SuperClaude
+
+# Option 3: Force installation (use with caution)
+pip install --break-system-packages SuperClaude
+```
+
 ## Command Types
 
 | Type | Where Used | Format | Example |

Docs/Getting-Started/quick-start.md

@@ -12,7 +12,14 @@ SuperClaude is a **Context Engineering Framework** that enhances Claude Code by
 
 ### 🖥️ Installation - Run in Terminal
 ```bash
+# Recommended for Linux/macOS
+pipx install SuperClaude && SuperClaude install
+
+# Traditional method
 pip install SuperClaude && SuperClaude install
+
+# Cross-platform via NPM
+npm install -g @bifrost_inc/superclaude && superclaude install
 ```
 
 ### 💬 First Context Triggers - Type in Claude Code Conversation

Docs/README.md

@@ -14,7 +14,12 @@
 
 **New Users**: [Quick Start Guide →](Getting-Started/quick-start.md)
 ```bash
+# Recommended for Linux/macOS
+pipx install SuperClaude && SuperClaude install
+
+# Traditional method
 pip install SuperClaude && SuperClaude install
+
 # Then try: /sc:brainstorm "web app idea" in Claude Code
 ```
 
@@ -67,7 +72,12 @@ pip install SuperClaude && SuperClaude install
 
 ### In Your Terminal (Installation)
 ```bash
-pip install SuperClaude        # Install framework
+# Install framework (choose one)
+pipx install SuperClaude       # Recommended for Linux/macOS
+pip install SuperClaude        # Traditional method
+npm install -g @bifrost_inc/superclaude  # Cross-platform
+
+# Configure and maintain
 SuperClaude install            # Configure Claude Code
 SuperClaude update             # Update framework
 python3 -m SuperClaude --version  # Check installation

Docs/Reference/common-issues.md

@@ -16,15 +16,27 @@ Test: /sc:brainstorm "test" should ask questions
 python3 -m SuperClaude --version    # Should show 4.0.4
 
 # If not working:
+# For pipx users
+pipx upgrade SuperClaude
+
+# For pip users
 pip install --upgrade SuperClaude
+
+# Then reinstall
 python3 -m SuperClaude install
 ```
 
 ### 3. Permission Issues
 ```bash
-# Permission denied errors:
+# Permission denied / PEP 668 errors:
+# Option 1: Use pipx (recommended)
+pipx install SuperClaude
+
+# Option 2: Use pip with --user
 pip install --user SuperClaude
-# Or: sudo chown -R $USER ~/.claude
+
+# Option 3: Fix permissions
+sudo chown -R $USER ~/.claude
 ```
 
 ### 4. MCP Server Issues

Docs/Reference/troubleshooting.md

@@ -29,15 +29,29 @@ SuperClaude install --list-components
 
 **Package Installation Fails:**
 ```bash
+# For pipx users
+pipx uninstall SuperClaude
+pipx install SuperClaude
+
+# For pip users
 pip uninstall SuperClaude
 pip install --upgrade pip
 pip install SuperClaude
 ```
 
-**Permission Denied:**
+**Permission Denied / PEP 668 Error:**
 ```bash
+# Option 1: Use pipx (recommended)
+pipx install SuperClaude
+
+# Option 2: Use pip with --user flag
 pip install --user SuperClaude
-# Or: sudo chown -R $USER ~/.claude
+
+# Option 3: Fix permissions
+sudo chown -R $USER ~/.claude
+
+# Option 4: Force installation (use with caution)
+pip install --break-system-packages SuperClaude
 ```
 
 **Component Missing:**