Cairn Documentation

Node header, description, children grid, health metrics, budget bars, and requirements summary at a glance.

AI-generated narrative documentation with 8 sections covering purpose, capabilities, operating modes, architecture, interfaces, constraints, verification, and risks.

2D concept renders via Gemini image generation with style kits (technical, photorealistic, schematic), plus 3D mesh assets via MeshBuilder and Three.js.

Functional, performance, interface, safety, environmental, and constraint requirements scoped to the selected node. Inline editing and AI generation via ⌘K.

Interactive node graph showing child subsystems, interfaces, and data flow. Powered by @xyflow/react with drag layout, hover inspection, and interface port indicators.

Pyramid of Causality (Harney framework) — layers of prerequisite technologies from knowledge foundation through domain technologies to the capstone. Color-coded by maturity, with gap detection.

Three-axis fidelity radar (entity, process, relationship coverage) per node with tree-wide heatmap. Flags gaps with one-click AI fix prompts. Based on Pace/Loper simulation fidelity dimensions.

Systemigram visualization (McDermott/Boardman methodology) — AI identifies the mainstay transformation chain, generates verb phrases for connections, and renders a readable narrative diagram with pan/zoom.

Pruned alternatives tree showing active and rejected design paths. Each pruned node carries engineering prune reasons, first principles, and cross-branch dependencies. Detail panel with full evaluation history.

State machines with states, transitions, guards, and actions. Visual state diagram scoped to the selected node. AI generation of operating modes via ⌘K.

Test, analysis, demonstration, and inspection records linked to requirements. Coverage tracking with pass/fail/blocked status.

Use cases and operational scenarios with actors, preconditions, postconditions, and step sequences. Scoped to system or subsystem level.