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Vasanth T
aadb4a27e9
* fix(specialist): keep the pinned model when a specialist is resumed Metadata.Model exists so a bounded, delegated task can run on a cheaper model than its parent, and BuildArgs appends it to the child argv through appendModelArgs. BuildResumeArgs never did. So a specialist pinned to a cheap model ran on that model exactly once. The moment the orchestrator resumed it, the child fell back to whatever the parent's configured model resolved to. Nothing surfaced it: the resumed child starts normally and does the work, so the only symptom is the bill. Cost-motivated delegation quietly stopped saving anything. Resuming does not restore the recorded model on its own. sessions.PrepareExec records the model a run used but never feeds it back into provider construction, so the flag has to be passed again rather than relied upon. BuildResumeArgsInput now carries ParentModel and ParentReasoningEffort, the same fallbacks the fresh path takes, and runResume passes what TaskRunOptions already held. The reasoning-effort rule travels with the model unchanged: the parent's effort is inherited only when the manifest pins no model of its own, because a manifest that chose a different model has not agreed to the parent's effort for it. Regressions drive both builders and compare them, so the two paths cannot drift again: a pinned model survives resume, an unpinned one still inherits the parent's, both halves of the effort rule hold, and the flag keeps its position relative to --auto in both. Refs #554 * test(specialist): cover the resume call site, not just its builder The builder tests all call BuildResumeArgs directly, so dropping the ParentModel field from the runResume call site still compiled and still passed every one of them. The defect this fixes lived at the call site, so it needs a test that goes through Run. Driven through the real dispatch with the RunChild seam capturing argv. * test(specialist): guard the fresh call site as well runFresh and runResume each construct their builder input by hand and carry a byte-identical ParentModel line. Deleting either compiles and, until now, deleting the fresh one was silent. The resume half is what this branch repairs. This covers the other half so the pair cannot drift again in the direction nobody was looking.