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Dependency Graphs

Status: Experimental · Phase: Build, Operate · Priority: P0.1

Visualize how a Spanda program composes missions, capabilities, hardware, providers, packages, and safety rules.

CLI

spanda graph rover.sd
spanda graph rover.sd --format mermaid
spanda graph rover.sd --format dot
spanda graph rover.sd --json
spanda graph rover.sd --config spanda.toml

Graph hierarchy

Mission
  ↓ Capabilities
  ↓ Hardware
  ↓ Providers
  ↓ Packages
  ↓ Safety Rules

Data sources

Node type Source
Mission mission { } declarations
Capabilities spanda-capability traceability
Hardware hardware, deploy, requires_hardware
Providers Import paths + provider registry
Packages spanda.toml dependencies
Safety kill switches, robot safety blocks

Output formats

  • JSON — machine-readable graph (nodes, edges, metadata)
  • Mermaid — embed in docs and PRs
  • Graphviz DOT — dot -Tpng for presentations
  • text — default human-readable listing

Crate

spanda-graph — static analysis only; no runtime changes.

Integration

Composes with spanda-capability, spanda-config, and readiness traceability rows.

See platform-maturity-roadmap.md.