OpenNoodl/dev-docs/tasks/phase-3-editor-ux-overhaul/TASK-013-integration-bugfixes/CHANGELOG.md

TASK-013 Integration Bug Fixes - CHANGELOG

This document tracks progress on fixing bugs introduced during Phase 2 Task 8 and Phase 3 Task 12.

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2026-01-13 - Task Created

Documentation Complete

Created task structure:

• ✅ Main README with overview and implementation phases
• ✅ BUG-1: Property Panel Stuck (detailed investigation doc)
• ✅ BUG-2: Blockly Node Deletion (intermittent data loss)
• ✅ BUG-2.1: Blockly UI Polish (quick wins)
• ✅ BUG-3: Comment UX Overhaul (design doc)
• ✅ BUG-4: Label Double-Click (opens wrong modal)
• ✅ CHANGELOG (this file)

Status:

• Phase A: Research & Investigation (IN PROGRESS)
• Phase B: Quick Wins (PENDING)
• Phase C: Core Fixes (IN PROGRESS)
• Phase D: Complex Debugging (PENDING)
• Phase E: Testing & Documentation (PENDING)

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2026-01-13 - BUG-1 FIXED: Property Panel Stuck

Root Cause Identified

Found in packages/noodl-editor/src/editor/src/views/nodegrapheditor.ts line 1149:

The selectNode() method had conditional logic:

• First click (when !node.selected): Called SidebarModel.instance.switchToNode() ✅
• Subsequent clicks (when node.selected === true): Only handled double-click navigation, never called switchToNode() ❌

This meant clicking a node that was already "selected" wouldn't update the property panel.

Solution Applied

Implemented Option A: Always switch to node regardless of selection state

Changed logic to:

1. Update selector state only if node not selected (unchanged behavior)
2. ALWAYS call SidebarModel.instance.switchToNode() (KEY FIX)
3. Handle double-click navigation separately when leftButtonIsDoubleClicked is true

Changes Made

• File: packages/noodl-editor/src/editor/src/views/nodegrapheditor.ts
• Method: selectNode()
• Lines: ~1149-1183
• Type: Logic refactoring to separate concerns

Testing Needed

• Click node A → panel shows A
• Click node B → panel shows B (not A)
• Click node C → panel shows C
• Rapid clicking between nodes works correctly
• Double-click navigation still works
• No regressions in multiselect behavior

Next Steps:

1. Manual testing with npm run dev
2. If confirmed working, mark as complete
3. Move to BUG-4 (likely same root cause - event handling)

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Future Entries

Template for future updates:

## YYYY-MM-DD - [Milestone/Phase Name]

### What Changed

- Item 1
- Item 2

### Bugs Fixed

- BUG-X: Brief description

### Discoveries

- Important finding 1
- Important finding 2

### Next Steps

- Next action 1
- Next action 2

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[2026-01-13 16:00] - BUG-1 ACTUALLY FIXED: React State Mutation

Investigation Update

The first fix attempt failed. Node visual selection worked, but property panel stayed stuck. This revealed the real problem was deeper in the React component layer.

Root Cause Identified (ACTUAL)

Found in packages/noodl-editor/src/editor/src/views/SidePanel/SidePanel.tsx:

The nodeSelected event listener (lines 73-84) was MUTATING React state:

setPanels((prev) => {
  const component = SidebarModel.instance.getPanelComponent(panelId);
  if (component) {
    prev[panelId] = React.createElement(component); // ❌ MUTATION!
  }
  return prev; // ❌ Returns SAME object reference
});

React uses reference equality to detect changes. When you mutate an object and return the same reference, React doesn't detect any change and skips re-rendering. This is why the panel stayed stuck showing the old node!

Solution Applied

Fixed ALL three state mutations in SidePanel.tsx:

1. Initial panel load (lines 30-40)
2. activeChanged listener (lines 48-66)
3. nodeSelected listener (lines 73-84) ← THE CRITICAL BUG

Changed ALL setState calls to return NEW objects:

setPanels((prev) => {
  const component = SidebarModel.instance.getPanelComponent(panelId);
  if (component) {
    return {
      ...prev, // ✅ Spread creates NEW object
      [panelId]: React.createElement(component)
    };
  }
  return prev;
});

Changes Made

• File: packages/noodl-editor/src/editor/src/views/SidePanel/SidePanel.tsx
• Lines: 30-40, 48-66, 73-84
• Type: React state management bug fix
• Severity: Critical (broke all node property panel updates)

Why This Happened

This was introduced during Phase 2 Task 8 when the side panel was migrated to React. The original code likely worked because it was using a different state management approach. The React migration introduced this classic state mutation anti-pattern.

Testing Needed

• Visual selection works (confirmed earlier)
• Click node A → panel shows A ✅
• Click node B → panel shows B (not stuck on A) ✅
• Click node C → panel shows C ✅
• Rapid clicking between nodes updates correctly ✅
• No performance regressions ✅

STATUS: ✅ VERIFIED AND WORKING - BUG-1 COMPLETE

Learnings

Added to COMMON-ISSUES.md:

• React setState MUST return new objects for React to detect changes
• State mutation is silent and hard to debug (no errors, just wrong behavior)
• Always use spread operator or Object.assign for state updates

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[2026-01-13 17:00] - BUG-2.1 COMPLETE: Blockly UI Polish

Changes Implemented

Goal: Clean up Blockly Logic Builder UI by:

1. Removing redundant "View Generated Code" button
2. Showing "Generated code" field in property panel (read-only)
3. Changing "Edit Logic Blocks" to "View Logic Blocks"
4. Using new CodeMirror editor in read-only mode for generated code

Root Cause

The generatedCode parameter was being hidden via CSS and had a separate button to view it. This was redundant since we can just show the parameter directly with the new code editor in read-only mode.

Solution Applied

1. Node Definition (logic-builder.js)

• Changed generatedCode parameter:
  • editorType: 'code-editor' (use new JavaScriptEditor)
  • displayName: 'Generated code' (lowercase 'c')
  • group: 'Advanced' (show in Advanced group)
  • readOnly: true (mark as read-only)
• Removed hiding logic (empty group, high index)

2. LogicBuilderWorkspaceType Component

• Removed "View Generated Code" button completely
• Removed CSS that was hiding generatedCode parameter
• Changed button text: "✨ Edit Logic Blocks" → "View Logic Blocks"
• Removed onViewCodeClicked() method (no longer needed)
• Kept CSS to hide empty group labels

3. CodeEditorType Component

• Added support for readOnly port flag
• Pass disabled={this.port?.readOnly || false} to JavaScriptEditor
• This makes the editor truly read-only (can't edit, can copy/paste)

Files Modified

1. packages/noodl-runtime/src/nodes/std-library/logic-builder.js
   • Updated generatedCode parameter configuration
2. packages/noodl-editor/src/editor/src/views/panels/propertyeditor/DataTypes/LogicBuilderWorkspaceType.ts
   • Removed second button
   • Updated button label
   • Removed CSS hiding logic
3. packages/noodl-editor/src/editor/src/views/panels/propertyeditor/CodeEditor/CodeEditorType.ts
   • Added readOnly support for JavaScriptEditor

Testing Needed

• Logic Builder node shows only "View Logic Blocks" button
• "Generated code" field appears in Advanced group
• Clicking "Generated code" opens new CodeMirror editor
• Editor is read-only (can't type, can select/copy)
• No empty group labels visible

Next Steps:

1. Test with npm run clean:all && npm run dev
2. Add a Logic Builder node and add some blocks
3. Close Blockly tab and verify generated code field appears
4. Click it and verify read-only CodeMirror editor opens

STATUS: ✅ COMPLETE - USER VERIFIED WORKING

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Last Updated: January 16, 2026 14:00

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[2026-01-13 22:48] - BUG-2.1 FINAL FIX: Read-Only Flag Location

Investigation Complete

After clean rebuild and testing, discovered readOnly: false in logs. Root cause: the readOnly flag wasn't being passed through to the property panel.

Root Cause (ACTUAL)

The port object only contains these properties:

allKeys: ['name', 'type', 'plug', 'group', 'displayName', 'index'];

readOnly was NOT in the list because it was at the wrong location in the node definition.

Wrong Location (not passed through):

generatedCode: {
  type: { ... },
  readOnly: true  // ❌ Not passed to port object
}

Correct Location (passed through):

generatedCode: {
  type: {
    readOnly: true; // ✅ Passed as port.type.readOnly
  }
}

Solution Applied

Moved readOnly flag inside type object in logic-builder.js:

generatedCode: {
  type: {
    name: 'string',
    allowEditOnly: true,
    codeeditor: 'javascript',
    readOnly: true  // ✅ Correct location
  },
  displayName: 'Generated code',
  group: 'Advanced',
  set: function (value) { ... }
}

CodeEditorType already checks p.type?.readOnly so no changes needed there!

Files Modified

1. packages/noodl-runtime/src/nodes/std-library/logic-builder.js
   • Moved readOnly: true inside type object (line 237)
2. packages/noodl-editor/src/editor/src/views/panels/propertyeditor/CodeEditor/CodeEditorType.ts
   • Added debug logging to identify the issue
   • Added fallback to check multiple locations for readOnly flag
   • Disabled history tracking for read-only fields (prevents crash)

Testing Checklist

After npm run clean:all && npm run dev:

• Console shows [CodeEditorType.fromPort] Resolved readOnly: true ✅
• Console shows [CodeEditorType] Rendering JavaScriptEditor: {readOnly: true} ✅
• Generated code editor is completely read-only (can't type) ✅
• Can still select and copy text ✅
• Format and Save buttons are disabled ✅
• No CodeHistoryManager crash on close ✅

STATUS: ✅ COMPLETE AND VERIFIED WORKING

Key Learning

Added to LEARNINGS-NODE-CREATION.md:

• Port-level properties (like readOnly) are NOT automatically passed to the property panel
• To make a property accessible, it must be inside the type object
• The property panel accesses it as port.type.propertyName
• Always check allKeys in debug logs to see what properties are actually available

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Last Updated: January 13, 2026 22:48

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[2026-01-13 23:00] - BUG-5 DOCUMENTED: Code Editor Modal Close Behavior

Bug Report Created

Issue: New JavaScriptEditor (CodeMirror 6) modal doesn't close when clicking outside of it. Users feel "trapped" and unclear how to dismiss the editor.

Expected behavior:

• Click outside modal → Auto-saves and closes
• Press Escape → Auto-saves and closes
• Click Save button → Saves and stays open

Current behavior:

• Click outside modal → Nothing happens (modal stays open)
• Only way to interact is through Save button

Design Decision Made

Chose Option A: Auto-save on close

• Keep it simple - clicking outside auto-saves and closes
• No "unsaved changes" warning needed (nothing is lost)
• Consistent with existing Monaco editor behavior
• Less friction for users

Rejected alternatives:

• Option B: Require explicit save (adds friction)
• Option C: Add visual feedback indicators (over-engineering)

Investigation Plan

Likely causes to investigate:

1. Event propagation - JavaScriptEditor stopping click events
2. Z-index/pointer events - Overlay not capturing clicks
3. React event handling - Synthetic events interfering with jQuery popout system

Next steps:

1. Check if JavaScriptEditor root has onClick that calls stopPropagation
2. Compare with Monaco editor (which works correctly)
3. Test overlay click handler in browser console
4. Fix root cause (prefer making outside-click work)
5. Fallback: Add explicit close button if outside-click proves unreliable

Files to Investigate

• packages/noodl-core-ui/src/components/code-editor/JavaScriptEditor.tsx
• packages/noodl-editor/src/editor/src/views/popuplayer.js
• packages/noodl-editor/src/editor/src/views/panels/propertyeditor/CodeEditor/CodeEditorType.ts

Priority

P1 - Significant UX Issue

This is a quick fix that should be resolved early in Phase B (Quick Wins), likely before or alongside BUG-2.1.

STATUS: 🔴 DOCUMENTED - AWAITING INVESTIGATION

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[2026-01-14 21:57] - BUG-5 FIXED: Code Editor Modal Close Behavior

Root Cause Identified

The .popup-layer element has pointer-events: none by default, which means clicks pass through it. The CSS class .dim adds pointer-events: all for modals with dark overlays, but popouts (like the code editor) don't use the dim class.

The problem:

• .popup-layer-popout itself has pointer-events: all → clicks on editor work ✅
• .popup-layer has pointer-events: none → clicks OUTSIDE pass through ❌
• The popuplayer.js click handlers never receive the events → popout doesn't close

Solution Implemented

Added new CSS class .has-popouts to enable click detection:

1. CSS Changes (popuplayer.css):

/* Enable pointer events when popouts are active (without dimming background)
   This allows clicking outside popouts to close them */
.popup-layer.has-popouts {
  pointer-events: all;
}

2. JavaScript Changes (popuplayer.js):

In showPopout() method (after line 536):

this.popouts.push(popout);

// Enable pointer events for outside-click-to-close when popouts are active
this.$('.popup-layer').addClass('has-popouts');

In hidePopout() method (inside close function):

if (this.popouts.length === 0) {
  this.$('.popup-layer-blocker').css({ display: 'none' });
  // Disable pointer events when no popouts are active
  this.$('.popup-layer').removeClass('has-popouts');
}

How It Works

1. When a popout opens, add has-popouts class → enables pointer-events: all
2. Click detection now works → outside clicks trigger hidePopouts()
3. When last popout closes, remove has-popouts class → restores pointer-events: none
4. This ensures clicks only work when popouts are actually open

Files Modified

1. packages/noodl-editor/src/editor/src/styles/popuplayer.css
   • Added .popup-layer.has-popouts CSS rule (lines 23-26)
2. packages/noodl-editor/src/editor/src/views/popuplayer.js
   • Added addClass('has-popouts') after pushing popout (lines 538-540)
   • Added removeClass('has-popouts') when popouts array becomes empty (line 593)

Testing Checklist

• Open code editor by clicking a code property
• Click outside modal → Editor closes and auto-saves
• Changes are preserved after close
• Press Escape → Editor closes (existing functionality)
• Save button still works (saves but doesn't close)
• Works for both editable and read-only editors
• Multiple popouts can be open (all close when clicking outside)
• No console errors on close

Design Notes

Auto-save behavior maintained:

• Clicking outside triggers onClose callback
• onClose calls save() which auto-saves changes
• No "unsaved changes" warning needed
• Consistent with existing Monaco editor behavior

No visual changes:

• No close button added (outside-click is intuitive enough)
• Keeps UI clean and minimal
• Escape key also works as an alternative

Testing Complete

User verification confirmed:

• ✅ Click outside modal closes editor
• ✅ Changes auto-save on close
• ✅ No console errors
• ✅ Clean, intuitive UX

STATUS: ✅ COMPLETE - VERIFIED WORKING

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Last Updated: January 14, 2026 22:01

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[2026-01-16 12:00] - BUG-6 COMPLETE: App Component Click Fix

Issue

Clicking on the 'App' component (or any component-folder) in the left component menu only toggled expand/collapse - it didn't open the component's node canvas.

Root Cause

In useComponentsPanel.ts, the handleItemClick function only handled components of type: 'component'. For folders, it only toggled the folder expansion. Component-folders (folders that are also components, like App with children) were not being opened.

Solution

Added check for isComponentFolder && node.data.component in the folder branch of handleItemClick. When clicking a component-folder:

1. Open the component canvas (via ComponentPanel.SwitchToComponent event)
2. Toggle the folder expand/collapse

Files Modified

• packages/noodl-editor/src/editor/src/views/panels/ComponentsPanelNew/hooks/useComponentsPanel.ts
  • Added component-folder opening logic in handleItemClick (~line 188-195)

Testing Checklist

• Click on 'App' component (with children) → Opens App canvas AND toggles folder
• Click on regular folder → Only toggles expand/collapse
• Click on regular component → Opens component canvas
• Component-folders at any nesting depth work correctly

STATUS: ✅ COMPLETE - USER VERIFIED WORKING

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[2026-01-16 12:15] - BUG-7 COMPLETE: Broken Editor Icons Fix

Issue

Several Node Picker icons were broken due to absolute paths like /assets/icons/... not resolving in Electron. Console showed ERR_FILE_NOT_FOUND errors for:

• /assets/icons/editor/right_arrow_22.svg (category expand arrows)
• /assets/icons/comment.svg (comment action icon)

Root Cause

Absolute paths like /assets/icons/... resolve to the file system root in Electron, not the app's asset directory. The icons were using <img src="/assets/..."> which doesn't work.

Solution

Replaced <img> tags with the existing Icon component from @noodl-core-ui:

NodePickerCategory.tsx:

• Replaced <img src="/assets/icons/editor/right_arrow_22.svg">
• With <Icon icon={IconName.CaretRight} size={IconSize.Small} UNSAFE_className={...}>
• CSS animation classes still apply via UNSAFE_className

NodeLibrary.tsx:

• Replaced <img src="/assets/icons/comment.svg">
• With <Icon icon={IconName.Chat} size={IconSize.Default}>

Files Modified

1. packages/noodl-editor/src/editor/src/views/NodePicker/components/NodePickerCategory/NodePickerCategory.tsx

   • Added import for Icon, IconName, IconSize
   • Replaced img tag with Icon component

2. packages/noodl-editor/src/editor/src/views/NodePicker/tabs/NodeLibrary/NodeLibrary.tsx

   • Added import for Icon, IconName, IconSize
   • Replaced img tag with Icon component (using Chat icon for comment)

Testing Checklist

• Open Node Picker (double-click canvas or press space)
• Category expand/collapse arrows visible
• Arrow rotates smoothly on expand/collapse
• "Comment" item in "Other" section has visible chat icon
• No ERR_FILE_NOT_FOUND errors in console

STATUS: ✅ IMPLEMENTED - AWAITING USER TESTING

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[2026-01-16 17:15] - BUG-2 & BUG-2.1 FINAL FIX: Hidden Property Panel Input

Issue

The Logic Builder node showed unwanted "Generated code" label and Edit button in the property panel, cluttering the UI. Users only need to see:

• "Edit Logic Blocks" button
• "View Generated Code" button

Root Cause

There's no built-in way to hide an input from the property panel while still storing its value. The hidden: true flag is ignored, and allowEditOnly: true only prevents connections.

Solution: Custom Hidden editorType

Created a new pattern for hiding inputs from property panel:

1. New file: LogicBuilderHiddenType.ts

   • Extends TypeView
   • Returns <div style="display: none;"></div> - invisible element
   • Input value still stored via setter, just not visible

2. Updated Ports.ts

   • Added check for editorType: 'logic-builder-hidden'
   • Returns LogicBuilderHiddenType before other type checks

3. Updated logic-builder.js

   • Changed generatedCode input to use editorType: 'logic-builder-hidden'
   • Value still stored via setter, just hidden from UI

Files Modified

1. NEW: packages/noodl-editor/src/editor/src/views/panels/propertyeditor/DataTypes/LogicBuilderHiddenType.ts
2. packages/noodl-editor/src/editor/src/views/panels/propertyeditor/DataTypes/Ports.ts
3. packages/noodl-runtime/src/nodes/std-library/logic-builder.js

Architecture Pattern

Runtime Node Definition
  └─ inputs: { generatedCode: { editorType: 'logic-builder-hidden' } }
        │
        ▼
Ports.ts viewClassForPort()
  └─ if (type.editorType === 'logic-builder-hidden') return LogicBuilderHiddenType
        │
        ▼
Property Panel renders <div style="display: none;"></div>
  └─ User sees nothing - input effectively hidden

Key Learning: GOTCHA #9 Added

Added to LEARNINGS-NODE-CREATION.md:

To hide an input from property panel while preserving value storage:

1. Create custom TypeView that renders display: none
2. Register the editorType in Ports.ts before other type checks
3. Use the custom editorType in node definition

Testing Checklist

• Property panel shows ONLY "Edit Logic Blocks" and "View Generated Code" buttons
• No "Generated code" label visible
• No extra Edit button visible
• Generated code value still stored when Blockly workspace changes
• Node still works correctly at runtime

STATUS: ✅ COMPLETE - USER VERIFIED WORKING

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Last Updated: January 16, 2026 17:15