Module node 

IICP provider node — registration, heartbeats, and task serving.

Implements:

• GET /iicp/health — liveness / capacity (always 200)
• GET /metrics — Prometheus text (503 if metrics feature absent)
• POST /v1/task — task handler with concurrency gate (IICP-E021), nonce replay protection (IICP-E011), and W3C traceparent propagation.

Structs

IicpNode

IICP provider node — handles registration, heartbeats, and task serving.

NodeConfig

Configuration for an IICP provider node.

TaskRequest

TaskResponse

Type Aliases

TaskHandlerFn