Crate smix_sim_health 

smix-sim-health

Sim-side liveness sense layer.

Watches:

• SimRenderServer pid (macOS + iOS Simulator)
• xcodebuild test-host pid
• Last /health response age (fed by the runner client)
• Rolling window of simctl io screenshot wall times

State machine: Healthy → Degraded → Dead (and back). Transitions broadcast on a tokio::sync::broadcast channel. Consumers subscribe; the crate itself does not act — actions live in the runner client, the simctl client, and the maestro adapter.

This is a stone crate — business-unaware. Its ABI is stable inside 1.x; additive-only.

Since smix 1.0.4.

Structs

SimHealthConfig

Config knobs. Defaults match the values in .claude/rfcs/1.0.4-sim-health-and-backpressure.md §D1.

SimHealthEvent

Snapshot published on each real state transition.

SimHealthMonitor

The monitor. Cheap to clone (internally Arc).

Enums

HealthReason

Reason a transition happened. Reason::None is used for the initial state before any observation arrives.

SimHealthState

Coarse sim health classification.