docs: add Headlamp plugin installation guides and setup script

Add comprehensive installation documentation and automated setup for Headlamp plugin manager integration. New files: - install-plugin.sh: Automated installation script for macOS/Linux - HEADLAMP_INSTALLATION.md: Complete installation guide covering: - Local installation (development/testing) - NPM installation (for published plugin) - Headlamp server mode - Kubernetes deployment with ConfigMaps - Troubleshooting common issues - Uninstallation instructions - SETUP_STATUS.md: Quick reference for current setup status Features: - Cross-platform support (macOS, Linux, Windows) - Multiple installation methods documented - Troubleshooting guide for common issues - Development mode instructions - Plugin verification steps Plugin is now ready for: ✅ Local Headlamp desktop installation ✅ Headlamp server deployment ✅ Kubernetes-based Headlamp with ConfigMaps ✅ Development with hot reload Current installation: - Location: ~/Library/Application Support/Headlamp/plugins/headlamp-sealed-secrets/ - Version: 0.2.0 - Sealed Secrets controller: Running in cluster - Status: Ready for use Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <noreply@anthropic.com> Co-Authored-By: Happy <yesreply@happy.engineering>
2026-02-11 23:04:12 -05:00
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+# Plugin Setup Status
+
+## ✅ Current Installation Status
+
+### Plugin Installation
+- **Status**: ✅ Installed
+- **Location**: `~/Library/Application Support/Headlamp/plugins/headlamp-sealed-secrets/`
+- **Version**: 0.2.0
+- **Build Date**: 2026-02-11
+
+### Files Installed
+```
+~/Library/Application Support/Headlamp/plugins/headlamp-sealed-secrets/
+├── main.js       ✅ (359.73 kB)
+├── package.json  ✅
+├── README.md     ✅
+└── LICENSE       ✅
+```
+
+### Kubernetes Cluster
+- **Context**: `default`
+- **Sealed Secrets Controller**: ✅ Running
+  - Deployment: `sealed-secrets-controller` in `kube-system`
+  - CRD: `sealedsecrets.bitnami.com` installed
+  - Age: 4 days 4 hours
+
+### Development Environment
+- **Dev Server**: ✅ Running (port-forward to headlamp on port 8080)
+- **Build Status**: ✅ Latest build successful
+- **Tests**: 36/39 passing (92%)
+
+## 🚀 Quick Start
+
+### Access the Plugin
+
+1. **If using Headlamp Desktop App**:
+   - Restart Headlamp
+   - Open Headlamp
+   - Look for "Sealed Secrets" in the sidebar
+
+2. **If using Development Server** (currently running):
+   - Access at: http://localhost:8080
+   - Plugin is hot-reloading (changes rebuild automatically)
+
+### Create Your First Sealed Secret
+
+1. Navigate to "Sealed Secrets" in the sidebar
+2. Click "Create Sealed Secret"
+3. Fill in:
+   - Name: `my-first-secret`
+   - Namespace: `default`
+   - Secret key: `password`
+   - Secret value: `mysecretvalue`
+4. Click "Create"
+
+### View Sealing Keys
+
+1. Navigate to "Sealed Secrets" → "Sealing Keys"
+2. View all active and expired certificates
+3. Download certificates for CI/CD use
+
+## 📋 Installation Methods
+
+### Method 1: Automated Install Script (Recommended)
+```bash
+./install-plugin.sh
+```
+
+### Method 2: Manual Install
+```bash
+cd headlamp-sealed-secrets
+npm install
+npm run build
+
+# macOS
+cp -r dist/* ~/Library/Application\ Support/Headlamp/plugins/headlamp-sealed-secrets/
+cp package.json ~/Library/Application\ Support/Headlamp/plugins/headlamp-sealed-secrets/
+```
+
+### Method 3: Development Mode (Hot Reload)
+```bash
+cd headlamp-sealed-secrets
+npm install
+npm start
+```
+Access at: http://localhost:8080
+
+## 🔧 Troubleshooting
+
+### Plugin Not Showing Up
+
+1. **Check installation**:
+   ```bash
+   ls -la ~/Library/Application\ Support/Headlamp/plugins/headlamp-sealed-secrets/
+   ```
+   Should show: `main.js` and `package.json`
+
+2. **Restart Headlamp completely**:
+   - Quit Headlamp (⌘+Q on macOS)
+   - Reopen Headlamp
+
+3. **Check browser console**:
+   - View → Toggle Developer Tools
+   - Look for plugin errors in Console
+
+### Controller Issues
+
+1. **Verify controller is running**:
+   ```bash
+   kubectl get pods -n kube-system -l name=sealed-secrets-controller
+   ```
+
+2. **Check controller logs**:
+   ```bash
+   kubectl logs -n kube-system -l name=sealed-secrets-controller
+   ```
+
+3. **Reinstall controller if needed**:
+   ```bash
+   kubectl apply -f https://github.com/bitnami-labs/sealed-secrets/releases/download/v0.24.0/controller.yaml
+   ```
+
+## 📚 Documentation
+
+- **Installation Guide**: [HEADLAMP_INSTALLATION.md](HEADLAMP_INSTALLATION.md)
+- **Plugin README**: [headlamp-sealed-secrets/README.md](headlamp-sealed-secrets/README.md)
+- **Development Guide**: [DEVELOPMENT.md](DEVELOPMENT.md) (if exists)
+- **Enhancement Plan**: [ENHANCEMENT_PLAN.md](ENHANCEMENT_PLAN.md)
+
+## 🎯 Features Available
+
+### Current Features (v0.2.0)
+- ✅ List all SealedSecrets across namespaces
+- ✅ Create new SealedSecrets with client-side encryption
+- ✅ View and download sealing keys
+- ✅ Certificate expiry warnings (30-day threshold)
+- ✅ Controller health monitoring
+- ✅ RBAC permission checks
+- ✅ API version auto-detection
+- ✅ WCAG 2.1 AA accessibility
+- ✅ Skeleton loading states
+- ✅ Error boundaries for error handling
+- ✅ Type-safe error handling (Result types)
+- ✅ Input validation with helpful error messages
+- ✅ Retry logic with exponential backoff
+
+### Planned Features
+- 🔄 Decrypt SealedSecret values (requires controller API)
+- 🔄 Re-encrypt secrets to new scope
+- 🔄 Export/import SealedSecrets
+- 🔄 Bulk operations
+- 🔄 Advanced filtering and search
+
+## 📊 Version History
+
+### v0.2.0 (2026-02-11) - Current
+- Phase 1: Type-safe error handling
+- Phase 2: UX improvements
+- Phase 3: Performance optimizations
+- Phase 4.1: Unit tests (92% passing)
+
+### v0.1.0 (2026-02-11) - Initial Release
+- Basic SealedSecret management
+- Create, list, view operations
+- Certificate management
+
+## 🔗 Links
+
+- **Repository**: https://github.com/cpfarhood/headlamp-sealed-secrets-plugin
+- **Issues**: https://github.com/cpfarhood/headlamp-sealed-secrets-plugin/issues
+- **NPM**: (To be published)
+- **Artifact Hub**: (To be published)
+
+---
+
+**Last Updated**: 2026-02-11 23:03 PST
+**Status**: ✅ Ready for Use