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Tianyi Cui a8986c2c8a Merge remote-tracking branch 'origin/master' into worktree-dynamic-workflows

Beyond the mechanical conflicts (provider capability lines vs master's new
inheritsParentContext field; generated catalogs regenerated rather than
hand-merged; knip/lockfile), three master-side reworks required semantic
adaptation of this branch:

- The persona rework removed AgentOptions.systemPrompt, which was the
  structured-output instruction's channel. The instruction now rides the
  SAME final-request enforcement listener that injects the schema'd tool:
  appended per request to final.system (per-request wire state, not agent
  prompt state). Tests assert the wire request (adapter.requests) instead
  of child.options; the bare-direct-dispatch test pins the no-system arm.
- Tool guidance moved out of deployment prompts into per-tool prompt
  sections; the examples' workflow paragraph became a tool:<toolName>
  section contributed by dsh-tool-workflow (explicit-ask-only policy),
  and both example personas resolve to master's minimal identity+behavior
  form. tool-workflow gains inject: systemPrompt (+ peer dep, tsconfig
  ref); the export-shape guard updated.
- The uniform-RFC-format gate: the dynamic-workflows RFC restructured to
  the implemented/ skeleton (bare Status line; Proposal -> Decision;
  What-was-rejected -> Alternatives considered; new Consequences), and
  the overall-run-timeout deferral is now recorded in the RFC's Deferred
  list. The doc-graphs atlas classification gains the workflows seam
  (workflow-vm implementation, tool-workflow consumer).

Master's harness-identity section made "empty assembled prompt" states
unreachable through the loop, so the instruction-append is a plain
undefined-ternary and the structured tests assert append-not-replace.
All snapshot goldens (including workflow-run) replay unchanged. Full
local CI-equivalent gate sequence green on the merged tree.

2026-07-06 03:14:07 +08:00

2.5 KiB

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@deepseek-ai/dsh-tool-workflow

The model-facing workflow tool: run a JavaScript orchestration script that fans out subagents, and return the script's final value. Pure schema + lifecycle shaping over ctx.workflows — script parsing, execution, caps, and cancellation live behind the seam, so a hardened engine swaps in without touching what the model sees.

What the model sees

Two parameters: script (required — the full export const meta = {...} + body text; the tool DESCRIPTION carries the complete authoring contract: hooks, semantics, determinism bans, the supported schema subset) and args (optional JSON object exposed to the script as the args global; a bare list is wrapped as a field, a deliberate deviation from Claude Code's any-JSON args so the wire schema stays honest). The plugin also contributes a tool:<toolName> system-prompt section carrying the usage policy — use the tool only on an explicit user ask for a workflow / large orchestration; prefer plain subagent calls for one or two delegations — per the convention that tool guidance ships with the tool plugin, never in the deployment persona.

Lifecycle

Collection is SYNCHRONOUS this cut (like dsh-tool-subagent): 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.

Render intent

Decided up front (per the render-intent RFC): a generic card titled workflow: <meta.name>, the name sniffed TEXTUALLY from args.script (presentation must be a pure function of args, so it cannot ask the engine to parse); the script text rides as rawInput. The result keeps the generic card.

Config

Key	Default	Meaning
`toolName`	`workflow`	The model-facing tool name to register.
`maxResultChars`	`50000`	Rendered-result ceiling; longer JSON is truncated with a notice.

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