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feat: add canonical typed tool outputs

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Tianyi Cui
2026-07-21 03:08:35 +08:00
parent 8500974fd4
commit 66c36e7325
173 changed files with 3298 additions and 954 deletions
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packages/workflow/tool-workflow/README.md
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@@ -8,7 +8,7 @@ Three parameters: `meta` (required identity data: `name`, `description`, and opt
## Lifecycle
Collection is SYNCHRONOUS this cut (like [`dsh-tool-subagent`](../../subagent/tool-subagent/README.md)): `execute` starts a run and awaits `run.result` inside a `try/finally` that always disposes the run, so the script and its children reach quiescence on every path. `exec.signal` is bridged to `run.cancel()` (including the already-aborted-before-start case). A non-`completed` stop reason maps to an `isError` result reporting the reason — never partial output as success; a parse/meta failure thrown synchronously by `start()` becomes an `isError` the model can correct from. The completed result renders the meta name, the agent count, and the return value as JSON, truncated at `maxResultChars` with an explicit notice.
Collection is SYNCHRONOUS this cut (like [`dsh-tool-subagent`](../../subagent/tool-subagent/README.md)): `execute` starts a run and awaits `run.result` inside a `try/finally` that always disposes the run, so the script and its children reach quiescence on every path. `exec.signal` is bridged to `run.cancel()` (including the already-aborted-before-start case). A non-`completed` stop reason maps to an `isError` result reporting the reason—never partial output as success; a parse/meta failure thrown synchronously by `start()` becomes an `isError` the model can correct from. Completion returns canonical `{ runId, agentsStarted, result }`; the Native renderer preserves the meta name, agent count, and JSON value, truncating only that projection at `maxResultChars`.
## Render intent
@@ -74,5 +74,5 @@ Append-only; newly visible content follows the reusable request prefix and does
## Known Limitations and Deferred Work
- **The parent turn blocks until the whole workflow settles** — there is no background start/poll surface, and cancellation discards partial output as an error.
- **`args` must be an object and the result is bounded text** — callers wrap top-level arrays/scalars in a field, and JSON beyond `maxResultChars` is truncated rather than stored behind a retrieval handle.
- **`args` must be an object and Native result text is bounded** — callers wrap top-level arrays/scalars in a field; the canonical workflow result remains complete, while JSON beyond `maxResultChars` is truncated in the model-facing projection rather than stored behind a retrieval handle.
- **Workflow policy is fixed per tool registration** — provider selection, caps, and tool name are deployment config, not model-call arguments.