docs(rewrite-worker): require Haiku for the mechanism-3 rewrite subagent - #153
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July 30, 2026 05:48
Makes it unmissable at three points (frontmatter description, the exact dispatch step, and the "what not to do" list) that the Agent subagent producing the actual rewrite text must always be dispatched on a small/ cheap model (Haiku) -- never the orchestrating /loop session's own model, and never omitted to "inherit." The task is a single bounded text transformation (rewrite one already-compiling C function into an alternate spelling); a real campaign can trigger this dispatch many times, so a larger model here is pure cost/latency waste with no quality upside. Also added the same guidance to the durable pattern doc (docs/solutions/architecture-patterns/rewrite-queue-subagent-fulfillment.md) so it isn't only discoverable by reading the skill file directly.
# Conflicts: # .claude/skills/agentdecompile-rewrite-worker/SKILL.md
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Summary
Requested: ensure the parent agent invoking the mechanism-3 rewrite-worker skill is thoroughly aware the actual rewrite-producing subagent must run on a small model (Haiku), not whatever model the orchestrating session happens to be on.
Made this unmissable at three separate points in
.claude/skills/agentdecompile-rewrite-worker/SKILL.md:Agenttool call happensAlso added the same guidance to
docs/solutions/architecture-patterns/rewrite-queue-subagent-fulfillment.mdso it's discoverable from the durable pattern doc, not just the skill file.Rationale: the subagent's task is a single bounded text transformation (rewrite one already-compiling C function into an alternate spelling) with no quality upside from a larger model, and a real
--autonomouscampaign can trigger this dispatch many times — the cost/latency difference compounds.Test plan
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https://claude.ai/code/session_01Ros3797gzvmswnJudQ1Znk