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fix(FN-5256): skip cycle preflight when new task has no deps

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The unconditional listTasks() in assertNoDependencyCycle was wasted work
for the common no-dependency write and broke the same-agent duplicate
intake fail-open path: tests that stub listTasks to throw had the cycle
check consume the rejection before _maybeAutoArchiveSameAgentDuplicate's
try/catch could swallow it, propagating the error out of createTask.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
gsxdsm
2026-05-21 06:40:15 -07:00
parent e12adeb3fa
commit 97e6a0cc0e
2 changed files with 6 additions and 0 deletions
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"@runfusion/fusion": patch
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Skip the dependency-cycle preflight in `TaskStore.assertNoDependencyCycle` when the new task or update has no dependencies. The FN-5256 cycle-check rollout (e12adeb3f) added an unconditional `listTasks()` call on every write to build the dependency lookup, but an empty dependency list can never form a cycle so the query was wasted work. It also broke fail-open semantics in the same-agent duplicate intake path: tests that stubbed `listTasks` to throw saw the cycle check consume the rejection and propagate "boom" out of `createTask` before the duplicate-intake try/catch could swallow it.