dsh-code-review

# Reviewing a DeepSeek-Harness PR **This skill is guidance, not a complete checklist.** Verify and fetch the PR's live base and exact head, then run `pnpm --silent run change-scope --base <verified-base-ref> --head <verified-head-ref>` before reading the diff and enough surrounding code to understand the design. The report identifies paths and dirty layers but does not replace semantic review. Re-establish the base and rerun it after a retarget or merge. Prioritize correctness, lifecycle, security, and broken required behavior over style; a short review with one substantiated blocker is better than a list of nits. ## Sources of truth - [AGENTS.md](../../../AGENTS.md) and [packages/AGENTS.md](../../../packages/AGENTS.md): standing repository and package authoring rules. - [docs/defensive-patterns.md](../../../docs/defensive-patterns.md): subprocess, callback, async-state, and disposal bug classes. - [docs/AGENTS.md](../../../docs/AGENTS.md): documentation placement and prose discipline. - [dsh-prose-standard](../dsh-prose-standard/SKILL.md): required coverage and editorial judgment for comments, docs, prompts, and visible strings. - [docs/testing.md](../../../docs/testing.md) and the [quality-gates Agent Note](../../notes/implemented/process/2026-06-11-quality-gates.md): required test tiers and gates. - [Agent Notes](../../notes/README.md): design rationale. Treat disagreement with an Agent Note as a design discussion, not an automatic veto. - For bilingual changes, read [t...