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  • Method: getDevToolsSnapshot
  • Scope: observability:read
  • Transports: HTTP RPC, WebSocket RPC
  • Request: { runId, frameNo? }
  • Response: DevTools snapshot payload.
Each task node’s task descriptor carries state and attempt: the node’s current lifecycle from the run’s node rows (latest iteration wins), e.g. pending, in-progress, finished, failed, skipped, waiting-approval. Frame-mounted tasks that have not been scheduled yet omit state. streamDevTools frames diff the same enriched snapshots, so state changes arrive as node updates. Errors are versioned as v1 and include InvalidRequest, Unauthorized, Forbidden, RunNotFound, FrameOutOfRange, PayloadTooLarge, and Internal.