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ZeroNode Feature Implementation Report

This report summarizes the feature work completed in the latest implementation batch.

Commit

Commit created:

3d43420 feat: focus mode, animations, health score, undo/redo, shortcuts

Push status:

  • Commit succeeded locally.
  • Push to origin main failed because GitHub HTTPS authentication was unavailable in the shell.
  • The working tree was clean after the commit.

To push manually from an authenticated terminal:

git push origin main

1. Focus Mode

Updated:

  • components/zeronode/knowledge-graph.tsx
  • components/zeronode/canvas-toolbar.tsx

Changes made:

  • Added isFocusMode state.
  • Added keyboard shortcuts:
    • F toggles Focus Mode when a node is selected.
    • Esc exits Focus Mode.
  • Focus Mode highlights the selected node and directly connected nodes.
  • Non-focused nodes are dimmed and lightly blurred.
  • Clicking a different node updates the focus target.
  • Clicking the pane exits Focus Mode unless the add-node tool is active.
  • Added a floating Focus Mode indicator overlay.
  • Added a Focus indicator in the left rail using the Crosshair icon.

Result:

  • Users can isolate a node cluster and reduce visual noise while studying a graph.

2. Node Entrance Animations

Updated:

  • components/zeronode/knowledge-node.tsx
  • app/globals.css

Changes made:

  • Added mounted and glowing state to each node.
  • Added mount-time animation timers.
  • Nodes now fade and scale into view.
  • New nodes briefly emit a color-matched glow burst.
  • Added global keyframes:
    • node-spring-in
    • node-glow-burst

Result:

  • Newly created or generated nodes feel more alive and easier to notice.

3. Graph Health Score

Created:

  • lib/graph-health.ts

Updated:

  • components/zeronode/navbar.tsx
  • components/zeronode/knowledge-graph.tsx

Changes made:

  • Added computeHealthScore.
  • Health score considers:
    • node count
    • connectivity
    • content depth
    • type diversity
  • Added grades:
    • S
    • A
    • B
    • C
    • D
    • F
  • Added health grade and percentage to the workspace header.
  • Added hover tooltip with score breakdown and insight.
  • Passed full nodes and edges into the navbar.

Result:

  • The header now gives users a quick quality signal for their knowledge graph.

4. Undo/Redo

Created:

  • lib/use-history.ts

Updated:

  • components/zeronode/knowledge-graph.tsx

Changes made:

  • Added snapshot history with a maximum of 30 past states.
  • Added undo and redo support.
  • Added shortcuts:
    • Ctrl/Cmd + Z for undo
    • Ctrl/Cmd + Y for redo
    • Ctrl/Cmd + Shift + Z for redo
  • Snapshots are pushed before:
    • generated nodes are added
    • nodes are deleted
    • graph is cleared
    • edges are connected
    • nodes are created from pane clicks

Result:

  • Users can recover from accidental graph changes.

5. Keyboard Shortcuts Modal

Created:

  • components/zeronode/shortcuts-modal.tsx

Updated:

  • components/zeronode/knowledge-graph.tsx

Changes made:

  • Added a keyboard shortcut cheatsheet modal.
  • Added isShortcutsOpen state.
  • Added shortcuts:
    • ? toggles the shortcuts modal.
    • 0 fits all nodes in view.
  • Modal lists shortcuts for:
    • canvas tools
    • navigation
    • actions
    • node editor

Result:

  • Users can discover and remember keyboard-driven workflows more easily.

Verification

TypeScript verification passed:

./node_modules/.bin/tsc --noEmit