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perf(ux): Agent Topology Performance Optimizations#166

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dgarson wants to merge 5 commits intodgarson/forkfrom
stephan/bs-ux-2-perf-agent-topology
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perf(ux): Agent Topology Performance Optimizations#166
dgarson wants to merge 5 commits intodgarson/forkfrom
stephan/bs-ux-2-perf-agent-topology

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@dgarson dgarson commented Feb 24, 2026

Summary

Implements performance optimizations for the Agent Topology feature to handle 100+ nodes efficiently.

Changes

  • New physics engine (): Quadtree-based spatial indexing for O(n log n) repulsion instead of O(n²)
  • Canvas rendering: Replaced SVG with Canvas API for better performance with many nodes
  • Viewport culling: Only renders nodes visible in the viewport
  • Level of Detail (LOD): Reduces detail for distant/small nodes
  • FPS monitoring: Real-time performance stats overlay
  • Zoom controls: Mouse wheel zoom support

Acceptance Criteria Met

  • Performance acceptable for 100+ nodes
  • Maintains existing functionality (filters, selection, detail panel)

Testing

The optimization maintains the same visual output while significantly improving performance for large graphs.

Closes bs-ux-2-perf

- Define data model for agent relationships
- Specify graph schema with node/edge properties
- Document API requirements
- Outline UI/UX requirements and visual encoding
- List acceptance criteria and dependencies
- More conversational, human tone
- Focus on benefits over features
- Clearer action orientation
- Brand voice: confident, technically credible, not generic
- Add Mission Control types (ActiveSession, MissionControlToolCall, PendingApproval, AlertEntry)
- Create useMissionControl hook with Gateway integration, WebSocket events, and polling fallback
- Add mock data for development
- Create MissionControlDashboard view with LiveStatusBar, SessionList, ToolCallFeed, ApprovalQueue, AlertFeed
- Add route and navigation entry in App.tsx

Per spec: docs/web/mission-control-dashboard.md
- Added quadtree-based physics engine for O(n log n) repulsion
- Replaced SVG rendering with Canvas API for better performance
- Added viewport culling (only render visible nodes)
- Added Level of Detail (LOD) for distant nodes
- Added FPS monitoring and performance stats overlay
- Added zoom controls with mouse wheel

Implements bs-ux-2-perf acceptance criteria for 100+ node graphs.
@dgarson dgarson changed the base branch from main to dgarson/fork February 24, 2026 13:32
@dgarson dgarson closed this Feb 24, 2026
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