docs: implement Phase 1 - documentation reorganization

Reorganize and consolidate documentation into structured `/docs` directory for better navigation and maintainability. New documentation structure: - docs/README.md - Documentation hub with complete index - docs/getting-started/ - Installation and quick start guides - docs/development/ - Workflow and testing guides - docs/archive/ - Archived PHASE_*.md completion summaries Key changes: - Created docs/ directory with 9 subdirectories - Moved HEADLAMP_INSTALLATION.md → docs/getting-started/installation.md (streamlined) - Created docs/getting-started/quick-start.md (5-minute tutorial) - Moved DEVELOPMENT.md → docs/development/workflow.md - Moved TESTING_GUIDE.md → docs/development/testing.md - Archived 12 PHASE_*.md files to docs/archive/ - Updated CHANGELOG.md with v0.2.0 details - Created main README.md with badges and links to docs Benefits: - Clear documentation hierarchy by user journey - Easier navigation with centralized docs/README.md index - Reduced clutter in repository root - Improved cross-referencing between documents - Better onboarding for new users and contributors Phase 1 deliverables (1-2 days estimated, completed): ✅ Organized docs/ directory structure ✅ Consolidated installation guides ✅ Streamlined development documentation ✅ Updated CHANGELOG to v0.2.0 ✅ Archived phase completion files ✅ Created documentation hub ✅ Updated main README with navigation ✅ Fixed cross-references Next: Phase 2 - API documentation with TypeDoc 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 23:23:39 -05:00
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+# Testing Guide - Phase 1.1 Result Types
+
+This guide helps you test the Result types implementation to verify error handling works correctly.
+
+---
+
+## 🚀 Starting the Development Server
+
+```bash
+cd headlamp-sealed-secrets
+npm start
+```
+
+This will:
+- Build the plugin in development mode
+- Start Headlamp with the plugin loaded
+- Open http://localhost:4466 in your browser
+- Enable hot-reload for code changes
+
+**Expected Output:**
+```
+> headlamp-sealed-secrets@0.1.0 start
+> headlamp-plugin start
+
+Starting development server...
+Plugin loaded: headlamp-sealed-secrets
+Server running at http://localhost:4466
+```
+
+---
+
+## 🧪 Test Scenarios
+
+### Test 1: Normal Operation (Happy Path)
+
+**Prerequisites:**
+- Sealed Secrets controller running in cluster
+- Valid kubeconfig configured
+
+**Steps:**
+1. Navigate to "Sealed Secrets" in sidebar
+2. Click "Create Sealed Secret"
+3. Fill in form:
+   - Name: `test-secret`
+   - Namespace: `default`
+   - Scope: `strict`
+   - Key: `password`
+   - Value: `mysecretvalue`
+4. Click "Create"
+
+**Expected Result:**
+- ✅ Success message: "SealedSecret created successfully"
+- ✅ Secret appears in list
+- ✅ No console errors
+
+**What This Tests:**
+- Certificate fetch works
+- Certificate parsing works
+- Encryption works
+- Kubernetes API call works
+
+---
+
+### Test 2: Controller Unreachable
+
+**Setup:**
+- Ensure controller is NOT running, or
+- Modify Settings to point to invalid controller
+
+**Steps:**
+1. Go to Settings (if available)
+2. Set controller namespace to `nonexistent`
+3. Try to create a sealed secret
+
+**Expected Result:**
+- ❌ Error message: "Failed to fetch certificate: [HTTP error details]"
+- ✅ User-friendly error, not stack trace
+- ✅ No uncaught exception in console
+
+**What This Tests:**
+- `fetchPublicCertificate` error handling
+- AsyncResult error path
+- User-facing error messages
+
+---
+
+### Test 3: Invalid Certificate
+
+**Setup:**
+- Requires modifying controller to return invalid cert (advanced)
+- OR test with mock by temporarily modifying `fetchPublicCertificate`
+
+**Mock Test (temporary code change):**
+```typescript
+// In src/lib/controller.ts (TEMPORARY)
+export async function fetchPublicCertificate(
+  config: PluginConfig
+): AsyncResult<string, string> {
+  // Return invalid cert for testing
+  return Ok('INVALID CERTIFICATE DATA');
+}
+```
+
+**Steps:**
+1. Make the temporary code change above
+2. Build: `npm run build`
+3. Try to create a sealed secret
+
+**Expected Result:**
+- ❌ Error message: "Invalid certificate: [parse error details]"
+- ✅ Specific error about certificate parsing
+- ✅ No uncaught exception
+
+**Cleanup:**
+- Revert the temporary change
+- Run `npm run build` again
+
+**What This Tests:**
+- `parsePublicKeyFromCert` error handling
+- Result type error propagation
+- Error message clarity
+
+---
+
+### Test 4: Encryption Failure
+
+**Setup:**
+- This is harder to trigger naturally
+- Would require corrupting the crypto operation
+
+**Skip for Now:**
+- Covered by unit tests in future phases
+- Error path is already type-safe
+
+---
+
+### Test 5: Certificate Download
+
+**Steps:**
+1. Navigate to "Sealing Keys" view
+2. Click "Download Certificate" button
+
+**Expected Results - Success:**
+- ✅ File downloads: `sealed-secrets-cert.pem`
+- ✅ Success message: "Certificate downloaded"
+- ✅ File contains valid PEM certificate
+
+**Expected Results - Failure (if controller down):**
+- ❌ Error message: "Failed to download certificate: [error details]"
+- ✅ No file downloaded
+- ✅ Clear error message
+
+**What This Tests:**
+- Certificate fetch in different context
+- File download error handling
+- Result type in SealingKeysView
+
+---
+
+### Test 6: Browser Console Check
+
+**Steps:**
+1. Open Browser DevTools (F12)
+2. Go to Console tab
+3. Perform operations (create secret, download cert)
+
+**Expected Results:**
+- ✅ No uncaught exceptions
+- ✅ No "Unhandled promise rejection" errors
+- ℹ️ May see debug logs (acceptable)
+- ⚠️ Any warnings should be from Headlamp framework, not our code
+
+**What This Tests:**
+- No exceptions escape Result type handling
+- All async errors properly caught
+- Promise rejection handling
+
+---
+
+## 📝 Manual Testing Checklist
+
+### Before Testing
+- [ ] Controller running in cluster (optional for error testing)
+- [ ] kubectl configured
+- [ ] Development server can start
+- [ ] Browser DevTools open
+
+### Happy Path
+- [ ] Plugin loads without errors
+- [ ] Sealed Secrets list view displays
+- [ ] Create dialog opens
+- [ ] Can create sealed secret successfully
+- [ ] Success message appears
+- [ ] Secret appears in list
+- [ ] Certificate download works
+
+### Error Paths
+- [ ] Controller unreachable shows proper error
+- [ ] Invalid certificate shows proper error
+- [ ] Network errors handled gracefully
+- [ ] No uncaught exceptions in console
+- [ ] Error messages are user-friendly
+
+### Code Quality
+- [ ] No TypeScript errors in build
+- [ ] No linting errors
+- [ ] Bundle size acceptable
+- [ ] Hot reload works during development
+
+---
+
+## 🐛 Known Issues to Look For
+
+### Issue: Type Narrowing
+**Symptom:** TypeScript errors about accessing `.error` or `.value`
+
+**Cause:** Using `!result.ok` instead of `result.ok === false`
+
+**Fix:** Use explicit comparison `result.ok === false`
+
+### Issue: Promise Rejection
+**Symptom:** "Unhandled promise rejection" in console
+
+**Cause:** Async function not returning Result type
+
+**Fix:** Ensure all async functions use `AsyncResult<T, E>`
+
+### Issue: Generic Error Messages
+**Symptom:** User sees "Error: [object Object]"
+
+**Cause:** Not extracting error message from Result
+
+**Fix:** Use `result.error` (if string) or `result.error.message` (if Error)
+
+---
+
+## 📊 What to Record
+
+### For Each Test:
+
+```markdown
+**Test:** [Test name]
+**Date:** [Date/time]
+**Environment:** [Browser, OS]
+**Status:** ✅ Pass / ❌ Fail
+
+**Steps:**
+1. [Step 1]
+2. [Step 2]
+
+**Actual Result:**
+[What happened]
+
+**Expected Result:**
+[What should happen]
+
+**Screenshots:**
+[If applicable]
+
+**Console Output:**
+[Any relevant console messages]
+```
+
+### Example:
+
+```markdown
+**Test:** Create Sealed Secret - Happy Path
+**Date:** 2026-02-11 21:00
+**Environment:** Chrome 120, macOS
+**Status:** ✅ Pass
+
+**Steps:**
+1. Opened Sealed Secrets page
+2. Clicked "Create Sealed Secret"
+3. Filled form with test data
+4. Clicked "Create"
+
+**Actual Result:**
+- Green success message appeared: "SealedSecret created successfully"
+- Secret "test-secret" appeared in list
+- No console errors
+
+**Expected Result:**
+- Success message ✅
+- Secret in list ✅
+- No errors ✅
+
+**Console Output:**
+(No errors)
+```
+
+---
+
+## 🔍 Debugging Tips
+
+### Enable Verbose Logging
+
+Add temporary console.logs to track Result flow:
+
+```typescript
+const certResult = await fetchPublicCertificate(config);
+console.log('Certificate fetch result:', certResult);
+
+if (certResult.ok === false) {
+  console.error('Certificate fetch failed:', certResult.error);
+  // ...
+}
+```
+
+### Check Network Tab
+
+1. Open DevTools → Network tab
+2. Try creating a secret
+3. Look for request to `/v1/cert.pem`
+4. Check status code and response
+
+### Inspect State
+
+Use React DevTools to inspect component state:
+1. Install React DevTools extension
+2. Select `<EncryptDialog>` component
+3. Check `encrypting` state
+4. Verify no infinite loops
+
+---
+
+## ✅ Success Criteria
+
+### Must Pass
+- [ ] Plugin loads without errors
+- [ ] Can create sealed secret with valid controller
+- [ ] Error messages are clear and specific
+- [ ] No uncaught exceptions in console
+- [ ] No unhandled promise rejections
+
+### Should Pass
+- [ ] Certificate download works
+- [ ] Sealing keys view displays
+- [ ] Settings page loads (if exists)
+- [ ] Hot reload works during development
+
+### Nice to Have
+- [ ] Error messages suggest solutions
+- [ ] Loading states show during operations
+- [ ] Success feedback is immediate
+- [ ] UI remains responsive during errors
+
+---
+
+## 📋 Test Report Template
+
+```markdown
+# Phase 1.1 Test Report
+
+**Date:** [Date]
+**Tester:** [Name]
+**Environment:** [Browser, OS, kubectl version]
+
+## Test Results Summary
+
+- Total Tests: 6
+- Passed: X
+- Failed: Y
+- Skipped: Z
+
+## Detailed Results
+
+### Test 1: Normal Operation
+Status: ✅ / ❌
+Notes: [Details]
+
+### Test 2: Controller Unreachable
+Status: ✅ / ❌
+Notes: [Details]
+
+[Continue for all tests...]
+
+## Issues Found
+
+1. [Issue description]
+   - Severity: Critical / High / Medium / Low
+   - Steps to reproduce: [Steps]
+   - Expected: [Expected behavior]
+   - Actual: [Actual behavior]
+
+## Recommendations
+
+- [Recommendation 1]
+- [Recommendation 2]
+
+## Sign-off
+
+- [ ] All critical tests pass
+- [ ] No regressions found
+- [ ] Ready for next phase
+
+**Tester Signature:** [Name]
+**Date:** [Date]
+```
+
+---
+
+## 🎯 Next Steps After Testing
+
+### If All Tests Pass
+1. Document test results
+2. Commit Phase 1.1 changes
+3. Move to Phase 1.2 (Branded Types)
+
+### If Tests Fail
+1. Document failing scenarios
+2. Debug and fix issues
+3. Re-run failed tests
+4. Verify fixes don't break passing tests
+
+### If Blockers Found
+1. Assess severity
+2. Create GitHub issues if needed
+3. Decide whether to continue or fix first
+
+---
+
+**Happy Testing!** 🧪
+
+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>
@@ -0,0 +1,506 @@
+# Development Workflow Guide
+
+Quick reference for developing and testing the Headlamp Sealed Secrets plugin.
+
+---
+
+## 🚀 Quick Start
+
+### Initial Setup
+
+```bash
+cd headlamp-sealed-secrets
+npm install
+```
+
+### Development Commands
+
+| Command | Description | When to Use |
+|---------|-------------|-------------|
+| `npm start` | Start development server with hot reload | Active development |
+| `npm run build` | Build for production | Before testing/releasing |
+| `npm run tsc` | Type check without building | Verify TypeScript |
+| `npm run lint` | Check code quality | Before commit |
+| `npm run lint-fix` | Auto-fix linting issues | Fix style issues |
+| `npm run format` | Format code with Prettier | Before commit |
+| `npm run package` | Create distributable tarball | Before release |
+| `npm test` | Run tests | Verify changes |
+
+---
+
+## 🔄 Development Workflow
+
+### 1. **Making Changes**
+
+```bash
+# Start development server
+npm start
+
+# In another terminal, make code changes
+# The dev server will hot-reload automatically
+```
+
+### 2. **Before Committing**
+
+```bash
+# Fix any linting issues
+npm run lint-fix
+
+# Verify TypeScript types
+npm run tsc
+
+# Ensure linting passes
+npm run lint
+
+# Build to verify production bundle
+npm run build
+```
+
+### 3. **Testing Changes**
+
+#### Option A: Development Server
+```bash
+npm start
+# Opens Headlamp with plugin loaded at http://localhost:4466
+# Changes hot-reload automatically
+```
+
+#### Option B: Install Plugin Locally
+```bash
+# Build and package
+npm run build
+npm run package
+
+# Install to Headlamp
+headlamp plugin install ./headlamp-sealed-secrets-0.1.0.tar.gz
+
+# Or manually extract to plugins directory
+mkdir -p ~/.headlamp/plugins/headlamp-sealed-secrets
+tar -xzf headlamp-sealed-secrets-0.1.0.tar.gz -C ~/.headlamp/plugins/
+```
+
+#### Option C: Test Against Real Cluster
+```bash
+# Ensure kubectl is configured
+kubectl cluster-info
+
+# Start Headlamp with plugin
+npm start
+
+# Or use Headlamp desktop app with installed plugin
+headlamp
+```
+
+---
+
+## ✅ Pre-Commit Checklist
+
+- [ ] `npm run lint-fix` - Fix auto-fixable issues
+- [ ] `npm run tsc` - No type errors
+- [ ] `npm run lint` - Passes all checks
+- [ ] `npm run build` - Builds successfully
+- [ ] Test manually in Headlamp
+- [ ] Update CHANGELOG.md if needed
+
+---
+
+## 📦 Build & Release Process
+
+### Current Build Status
+
+✅ **Build:** Working (339.42 kB → 93.21 kB gzipped)
+✅ **TypeScript:** No errors
+✅ **Linting:** All checks passing
+✅ **Package:** Creates `headlamp-sealed-secrets-0.1.0.tar.gz` (92K)
+
+### Verified Commands
+
+```bash
+# ✅ Build production bundle
+npm run build
+# Output: dist/main.js (339.42 kB)
+
+# ✅ Type check
+npm run tsc
+# Output: No errors
+
+# ✅ Lint check
+npm run lint
+# Output: All checks passing
+
+# ✅ Create package
+npm run package
+# Output: headlamp-sealed-secrets-0.1.0.tar.gz (92K)
+```
+
+### Release Checklist
+
+1. **Update Version**
+   ```bash
+   # Edit package.json version field
+   # Update CHANGELOG.md
+   ```
+
+2. **Clean Build**
+   ```bash
+   rm -rf dist/ node_modules/
+   npm install
+   npm run build
+   ```
+
+3. **Quality Checks**
+   ```bash
+   npm run tsc
+   npm run lint
+   npm test  # When tests are added
+   ```
+
+4. **Package**
+   ```bash
+   npm run package
+   ```
+
+5. **Test Installation**
+   ```bash
+   headlamp plugin install ./headlamp-sealed-secrets-*.tar.gz
+   ```
+
+6. **Git Tag & Push**
+   ```bash
+   git tag v0.1.0
+   git push origin v0.1.0
+   ```
+
+7. **Publish**
+   - Create GitHub Release
+   - Attach `.tar.gz` file
+   - Update Artifact Hub (if applicable)
+
+---
+
+## 🧪 Testing Strategy
+
+### Manual Testing Workflow
+
+1. **Start Development Environment**
+   ```bash
+   npm start
+   ```
+
+2. **Access Headlamp**
+   - Open http://localhost:4466
+   - Navigate to "Sealed Secrets" in sidebar
+
+3. **Test Core Features**
+   - [ ] List view loads sealed secrets
+   - [ ] Create dialog opens
+   - [ ] Encrypt secret works
+   - [ ] Detail view shows secret info
+   - [ ] Settings page loads config
+   - [ ] Sealing keys view shows certificates
+
+4. **Test Error Cases**
+   - [ ] Invalid secret name
+   - [ ] Empty key-value pairs
+   - [ ] Controller unreachable
+   - [ ] Invalid certificate
+   - [ ] Permission denied
+
+### Testing with Real Cluster
+
+**Prerequisites:**
+```bash
+# Install sealed-secrets controller
+kubectl apply -f https://github.com/bitnami-labs/sealed-secrets/releases/download/v0.24.0/controller.yaml
+
+# Verify installation
+kubectl get deployment -n kube-system sealed-secrets-controller
+kubectl get svc -n kube-system sealed-secrets-controller
+```
+
+**Test Scenarios:**
+
+1. **Create Sealed Secret**
+   - Click "Create Sealed Secret"
+   - Fill in name, namespace, scope
+   - Add key-value pairs
+   - Submit → Verify secret created in cluster
+
+2. **Verify Encryption**
+   ```bash
+   kubectl get sealedsecret <name> -n <namespace> -o yaml
+   # Should see encrypted data
+   ```
+
+3. **Verify Secret Creation**
+   ```bash
+   kubectl get secret <name> -n <namespace>
+   # Controller should create corresponding Secret
+   ```
+
+---
+
+## 🛠️ Troubleshooting
+
+### Build Issues
+
+**Problem:** Build fails with TypeScript errors
+```bash
+# Solution: Check types
+npm run tsc
+# Fix type errors shown
+```
+
+**Problem:** Linting fails
+```bash
+# Solution: Auto-fix
+npm run lint-fix
+
+# Then manually fix remaining issues
+npm run lint
+```
+
+### Development Server Issues
+
+**Problem:** Hot reload not working
+```bash
+# Solution: Restart dev server
+# Ctrl+C to stop
+npm start
+```
+
+**Problem:** Plugin not loading in Headlamp
+```bash
+# Solution: Check console for errors
+# Verify plugin name matches in package.json
+# Ensure build completed successfully
+```
+
+### Plugin Installation Issues
+
+**Problem:** `headlamp plugin install` fails
+```bash
+# Solution: Check tarball exists
+ls -lh headlamp-sealed-secrets-*.tar.gz
+
+# Verify tarball contents
+tar -tzf headlamp-sealed-secrets-*.tar.gz
+
+# Should contain:
+# headlamp-sealed-secrets/main.js
+# headlamp-sealed-secrets/package.json
+```
+
+**Problem:** Plugin not appearing in Headlamp
+```bash
+# Check installation location
+ls ~/.headlamp/plugins/
+
+# Restart Headlamp after installation
+```
+
+---
+
+## 📂 Project Structure
+
+```
+headlamp-sealed-secrets/
+├── src/
+│   ├── components/          # React UI components
+│   │   ├── DecryptDialog.tsx
+│   │   ├── EncryptDialog.tsx
+│   │   ├── SealedSecretDetail.tsx
+│   │   ├── SealedSecretList.tsx
+│   │   ├── SealingKeysView.tsx
+│   │   ├── SecretDetailsSection.tsx
+│   │   └── SettingsPage.tsx
+│   ├── lib/                 # Core logic
+│   │   ├── controller.ts    # Controller API
+│   │   ├── crypto.ts        # Encryption logic
+│   │   └── SealedSecretCRD.ts
+│   ├── types.ts             # TypeScript types
+│   └── index.tsx            # Plugin entry point
+├── dist/                    # Build output (generated)
+│   └── main.js
+├── package.json
+├── tsconfig.json
+└── README.md
+```
+
+---
+
+## 🔧 Configuration
+
+### TypeScript Configuration
+
+The plugin extends Headlamp's base TypeScript config:
+
+```json
+{
+  "extends": "./node_modules/@kinvolk/headlamp-plugin/config/plugins-tsconfig.json",
+  "include": ["./src/**/*"]
+}
+```
+
+### ESLint Configuration
+
+```json
+{
+  "eslintConfig": {
+    "extends": [
+      "@headlamp-k8s",
+      "prettier",
+      "plugin:jsx-a11y/recommended"
+    ]
+  }
+}
+```
+
+### Dependencies
+
+**Runtime:**
+- `node-forge` - Cryptography (RSA-OAEP, AES-GCM)
+
+**Development:**
+- `@kinvolk/headlamp-plugin` - Headlamp plugin SDK
+- `@types/node-forge` - TypeScript definitions
+
+---
+
+## 📝 Code Style Guidelines
+
+### Import Order
+Auto-sorted by `simple-import-sort`:
+1. React/external libraries
+2. Headlamp imports
+3. Material-UI imports
+4. Local imports (lib, components, types)
+
+### Component Structure
+```typescript
+/**
+ * Component description
+ */
+export function ComponentName({ prop1, prop2 }: Props) {
+  // 1. Hooks
+  const [state, setState] = useState();
+
+  // 2. Callbacks
+  const handleAction = () => { };
+
+  // 3. Effects
+  useEffect(() => { }, []);
+
+  // 4. Render
+  return ( );
+}
+```
+
+### File Naming
+- Components: `PascalCase.tsx`
+- Libraries: `camelCase.ts`
+- Types: `types.ts`
+
+---
+
+## 🎯 Next Steps for Development
+
+### Immediate (Pre-Enhancement)
+1. ✅ Verify build works
+2. ✅ Fix linting issues
+3. ✅ Test package creation
+4. 🔄 Test plugin installation locally
+5. 📝 Document workflow (this file)
+
+### Short Term (Phase 1 Preparation)
+1. Set up testing framework (Vitest)
+2. Add initial unit tests
+3. Create test utilities (mock controller, cert generator)
+4. Set up CI/CD pipeline
+
+### Enhancement Implementation
+- Follow [ENHANCEMENT_PLAN.md](./ENHANCEMENT_PLAN.md)
+- Implement changes iteratively
+- Test after each enhancement
+- Update docs as you go
+
+---
+
+## 🤝 Contributing Workflow
+
+1. **Create Branch**
+   ```bash
+   git checkout -b feature/your-feature-name
+   ```
+
+2. **Make Changes**
+   - Follow code style
+   - Add tests for new features
+   - Update documentation
+
+3. **Pre-Commit**
+   ```bash
+   npm run lint-fix
+   npm run tsc
+   npm run build
+   npm test
+   ```
+
+4. **Commit**
+   ```bash
+   git add .
+   git commit -m "feat: add your feature"
+   ```
+
+5. **Push & PR**
+   ```bash
+   git push origin feature/your-feature-name
+   # Create Pull Request on GitHub
+   ```
+
+---
+
+## 📊 Performance Metrics
+
+**Current Build:**
+- Bundle size: 339.42 kB (93.21 kB gzipped)
+- Build time: ~3.87s
+- Package size: 92 KB
+
+**Goals:**
+- Keep bundle < 400 kB
+- Build time < 5s
+- Maintain tree-shaking
+
+---
+
+## 🔍 Useful Debug Commands
+
+```bash
+# Check plugin is loaded in Headlamp
+# Open browser console → Look for plugin logs
+
+# Inspect tarball contents
+tar -tzf headlamp-sealed-secrets-*.tar.gz
+
+# Check TypeScript compilation output
+npm run tsc -- --listFiles
+
+# View linting cache
+ls node_modules/.cache/eslint/
+
+# Clear caches
+rm -rf node_modules/.cache/
+npm run build
+```
+
+---
+
+**Last Updated:** 2026-02-11
+**Plugin Version:** 0.1.0
+
+Generated with [Claude Code](https://claude.ai/code)
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+Co-Authored-By: Claude <noreply@anthropic.com>
+Co-Authored-By: Happy <yesreply@happy.engineering>