Configure final output contracts for handoff workflows - #18
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DrDrewCain
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September 13, 2026 13:13
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Handoff workflow authors can now configure a final text or JSON/schema contract while agents exchange ordinary prose notes. The editor preserves authored schemas through save/reload, marks invalid schema drafts unsaved, and keeps each agent's selected model and allowed targets.
Requires the independent agents.handoffs.output_requirements capability; task contract support alone does not enable these controls. Older hosts retain the existing editor. Loaded contracts are preserved and cannot be saved through unsupported capabilities. Result text remains a string and the native host enforces the final contract.
Validation: 479 unit tests passed, followed by 27 focused capability/contract checks including the additional explicit capability case; strict TypeScript, build, and packaged assets passed. Four real packaged-console/native HTTP desktop/mobile journeys passed, covering task and two-hop handoff execution, exact schemas, rejected output, invalid draft/discard behavior, and encrypted journal restart without inference. Both handoff screenshots inspected. Independent review: eight focused tests/types and four additional source-editor browser scenarios passed, including legacy and unsupported hosts. Existing bundle-size advisory remains.
Depends on Web17 and native ProjectScone PR79. Actual Fable exact-head consultation and all CI remain required before merge.