ContractSpec docs

OSS-first docs

These docs teach the open system first: contracts, generated surfaces, runtimes, governance, and incremental adoption. Studio shows up as the operating layer on top, not as the source of truth.

AI index

Agent runner — goal

Synchronous depth-first agent task-tree executor with cancel propagation.

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Agent runner — goal
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Agent runner — goal
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Synchronous depth-first agent task-tree executor with cancel propagation.

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agent,runner,task-tree
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public

The agent runner walks a flat list of `AgentTask` records as a depth-first tree, executing parent tasks before their children. It emits four lifecycle events: `agent.task_started`, `agent.task_completed`, `agent.task_failed`, and `agent.task_cancelled`. Cancellation propagates to all remaining descendants.