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Commits
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4ada5557f2 |
loops: kind column + initial_burst + on_artifact_update trigger fan-out
Foundation for folding research into loops as a first-class kind.
This commit ships the plumbing; the research-kind dispatch itself
lands next. Behavior for existing exec-kind loops is unchanged unless
they opt into the new trigger fields.
Migration 0044:
- kind TEXT NOT NULL DEFAULT 'exec' CHECK ('exec' | 'research'). New
research-kind will run the research pipeline each iteration (next
commit); 'exec' preserves today's behavior.
- initial_burst_remaining INT NOT NULL DEFAULT 0 — countdown for the
triggers.initial_burst quota. Decremented CAS-safely on each
completion until it hits 0.
- Two partial indexes: (kind, source_research_topic_id) for kind-
aware lookups, and (source_research_topic_id) filtered on
on_artifact_update=true + enabled=true for the fan-out hook.
Trigger schema extended with two optional fields:
- initial_burst: N — fire N iterations back-to-back at create time.
create_loop enqueues the first iteration inline (subject to
empty-roster gate), sets remaining=N-1, and the completion hook
continues the chain until exhausted.
- on_artifact_update: true — when a bound research_outcomes row is
inserted for the source topic, wake up one iteration of this loop.
Coalesced against has_active_run so a burst of rapid revisions
doesn't queue duplicates.
Backend:
- cm_db::repo::loops helpers (all dynamic sqlx, no offline cache
regen needed):
- set_initial_burst_remaining
- take_initial_burst_slot (CAS UPDATE returning prev value; 0 on
exhausted or race loss)
- loops_awaiting_topic (fan-out query: kind=exec + enabled +
on_artifact_update=true bound to the given topic)
- has_active_run (queued|running iteration existence check)
- get_any_workspace (bypasses the workspace scope guard; used by
the completion hook where the run row is authoritative)
- routes/loops::compose_iteration_task made pub so the completion
hook can build the same enriched task string as run_now.
- topology_worker::freeze_research_outcome now fans out to awakened
loops after the outcome insert, using compose_iteration_task and
coalescing on has_active_run.
- topology_worker::continue_initial_burst runs on every completion:
· take_initial_burst_slot (CAS) — no-op if already exhausted
· has_active_run coalesce guard
· re-fetches the loop via get_any_workspace + compose_iteration_task
· enqueues via loops::enqueue_iteration with parent_run_id set
Follow-ups already queued:
- kind='research' dispatch in run_job — build the research
coordinator task from the topic config, run the research pipeline
each iteration. Requires factoring start_topic's task-build.
- ResearchWizard "When should this run?" step (Just once / Nightly /
Manual) creating the topic + paired research-kind loop.
- LoopsWizard trigger UI matching the design proposal (burst count,
cron, on-artifact checkbox).
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