Merged Axel changes. Added dev docs for Cline

dev-docs/tasks/phase-1/TASK-001-dependency-updates/CHANGELOG.md

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+# TASK-001 Changelog
+
+Track all changes made during this task. Update this file as you work.
+
+---
+
+## [Date] - [Your Name/Handle]
+
+### Summary
+[To be filled in as work progresses]
+
+### Starting Point
+- Based on branch: `12-upgrade-dependencies`
+- Previous work by: [previous developer]
+- Previous commits include:
+  - Package.json dependency updates
+  - "Update rendering to use non-deprecated react-dom calls"
+
+---
+
+## Dependency Fixes
+
+### Package: [package-name]
+- **Issue**: [What was wrong]
+- **Fix**: [What was changed]
+- **File**: `path/to/package.json`
+
+---
+
+## React 19 Migration
+
+### File: [filename]
+- **Before**: `ReactDOM.render(<App />, element)`
+- **After**: `createRoot(element).render(<App />)`
+- **Notes**: [Any relevant context]
+
+---
+
+## react-instantsearch Migration
+
+### File: HelpCenter.tsx
+- **Before**: `import { ... } from 'react-instantsearch-hooks-web'`
+- **After**: `import { ... } from 'react-instantsearch'`
+- **API Changes**: [List any API differences encountered]
+
+---
+
+## Build Fixes
+
+### Error: [Error message]
+- **Cause**: [Why it happened]
+- **Fix**: [What was changed]
+- **File**: `path/to/file`
+
+---
+
+## Build Optimizations
+
+### Optimization: [Name]
+- **Before**: Build time X seconds
+- **After**: Build time Y seconds
+- **Change**: [What was optimized]
+
+---
+
+## Files Modified
+<!-- Update this list as you make changes -->
+
+- [ ] `package.json` (root)
+- [ ] `packages/noodl-editor/package.json`
+- [ ] `packages/noodl-core-ui/package.json`
+- [ ] `packages/noodl-viewer-react/package.json`
+- [ ] `packages/noodl-editor/src/editor/src/views/HelpCenter/HelpCenter.tsx`
+- [ ] [Add more as needed]
+
+---
+
+## Files Created
+<!-- List any new files created -->
+
+- None expected for this task
+
+---
+
+## Files Deleted
+<!-- List any files removed -->
+
+- None expected for this task
+
+---
+
+## Breaking Changes
+
+- React 19 requires Node.js 18+ (documented in root package.json engines)
+- [Add any other breaking changes discovered]
+
+---
+
+## Testing Notes
+
+### Automated Tests
+- `npm run test:editor`: [PASS/FAIL] - [Notes]
+- `npm run test:platform`: [PASS/FAIL] - [Notes]
+- `npx tsc --noEmit`: [PASS/FAIL] - [Notes]
+
+### Manual Tests
+- Dev server start: [PASS/FAIL]
+- Create project: [PASS/FAIL]
+- Node operations: [PASS/FAIL]
+- Preview: [PASS/FAIL]
+- Help Center search: [PASS/FAIL]
+- Hot reload: [PASS/FAIL]
+
+---
+
+## Known Issues
+
+<!-- Document any issues discovered that aren't fixed in this task -->
+
+1. [Issue description] - [Will be addressed in TASK-XXX]
+
+---
+
+## Follow-up Tasks
+
+<!-- Note any work that should be done in future tasks -->
+
+1. [Follow-up item] - Suggested for TASK-XXX
+
+---
+
+## Final Summary
+
+[To be completed when task is done]
+
+**Total files modified**: X
+**Total lines changed**: +X / -Y
+**Build time**: Before X sec → After Y sec
+**Tests**: All passing / X failures
+**Confidence**: X/10