feat: add user_steering_messages_submit and user_followup_submit hooks#3000
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dgageot merged 2 commits intoJun 4, 2026
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Fires each time the runtime drains the steering queue (mid-turn, after the model stops, or while idle before the first model call). Mirrors user_prompt_submit: passes the drained messages to the handler via steering_messages, can block the run, and contributes transient additional_context spliced into the steered turn only (never persisted). Wired into drainAndEmitSteered so it covers all three drain sites, unlike turn_end+reason=steered which misses the idle drain.
aheritier
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area/agent
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Fires each time the runtime dequeues a follow-up message at the end of a turn and starts a fresh turn for it. Follow-ups (the FollowUp API/queue) previously had no hook coverage: user_prompt_submit fires only for the first interactive prompt. Mirrors user_prompt_submit: passes the follow-up text via prompt, can block the run, and contributes transient additional_context spliced into the follow-up turn only (never persisted).
simonferquel-clanker
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dgageot
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Jun 4, 2026
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Adds two hooks that close the coverage gaps around queued user messages, both modelled on
user_prompt_submit.user_steering_messages_submitsteering_messages.drainAndEmitSteered(the single drain chokepoint) so it covers all three cases — unliketurn_end+reason=steered, which misses the idle drain.user_followup_submitprompt.user_prompt_submitonly fires for the first interactive prompt.Both can block the run (
decision: block/continue: false/ exit 2) and contribute transientadditional_context(spliced into the steered/follow-up turn only, never persisted — same asuser_prompt_submit). The user messages themselves are persisted as normal.Changes
pkg/config/latest; events + input fields inpkg/hooks; dispatch inpkg/runtime.agent-schema.json,examples/hooks.yaml, anddocs/configuration/hooks/index.mdupdated (event tables, payload fields, context lists, dedicated sections).Testing
go build, package tests (hooks/runtime/config/teamloader),golangci-lint(0 issues), and the custom./lintall pass.