Conciseness

The body is dense operational tables rather than prose and assumes competence — it never explains what a literature review or ethnography is — with nearly every line carrying routing or decision content (e.g., the intent→step→file routing table, the 12-judgment table, the 5 status systems). It is not a 5 because the "写'未知'" rule is stated three times (§二 rule 1, §八 last bullet, and the closing "只做四件事" line) and the closing recap repeats the iron rules already given — minor redundancy that could be trimmed.

Actionability

For an instruction-only skill the guidance is fully concrete: the routing table maps ~11 distinct user requests to exact steps and exact files (e.g., "'我有数据/我想用方法 M' → 先回 Step 1, `01-foundations.md` §六"), the entry-mode decision rule is a copy-paste-ready branch, and the five-beat rhythm names precisely where to get prompts (`05-prompt-library.md`), where to record outputs (`06-worksheets.md`), and when to stop for human judgment. There are no gaps in executable direction.

Workflow Clarity

The eight steps are clearly sequenced with an explicit validation checkpoint at each (PASS / REVISE / STOP gates, plus PARK), and feedback loops are explicit: rollback rules ("若设计只能提供弱代理、错误单位或不合适时间 → 返回 Question"), per-step Red-flag review in the five-beat rhythm, and hard stop conditions for human escalation. This matches the anchor-5 profile of clear sequence + explicit validation + error-recovery loops.

Progressive Disclosure

The body is a genuine overview hub: all detail lives one level deep in the nine `references/` files, each verified to exist and contain what the index claims (e.g., §六 'Two false starts' in `01-foundations.md`, Novelty Audit + Reviewer 2 in `04-workflow-steps6-8.md`). Navigation is well-signaled via the routing table (which file to read per intent) and the §九 index table with per-file content summaries, with explicit guidance to read only the file for the current step.

Specificity

The description enumerates many concrete actions — "找论文题目/研究问题", "文献综述与领域版图", "新颖性审计与'审稿人2'式攻击", "博士/论文可行性评估、导师沟通话术", "检查论文中的过度断言与概念混用" — giving comprehensive, non-abstract coverage of the skill's capabilities. Anchor 4 would require noticeable gaps in coverage, and none are apparent; anchor 3 only lists 1–2 actions, far below this.

Completeness

It explicitly answers both questions: what ("学术写作与选题论证工作台，覆盖选题构思、文献梳理、论证组织、学术表达四大要素") and when (an explicit "Use for …" clause followed by a long list of concrete trigger scenarios plus "也适用于开题报告、研究计划书、学位论文的选题阶段与论证自检"). This matches anchor 5's requirement of a clear what AND when with concrete trigger phrases; anchor 4 would need the when to be less explicit, which it is not.

Trigger Term Quality

Natural phrases a user would actually say are well covered ("找论文题目", "文献综述", "开题报告", "研究计划书", "导师沟通话术"), matching the good examples' style. A few natural variations are missing (e.g., English-domain terms like "literature review" or "PhD topic", and the bare word "科研选题"), so it sits at anchor 4 rather than the comprehensive synonym coverage of anchor 5.

Distinctiveness Conflict Risk

Social-science PhD topic selection and argumentation auditing is a clear niche with distinct triggers (novelty audit, Reviewer 2, claim ceilings), so it is unlikely to fire for unrelated skills. There is minor overlap risk with generic academic-writing or literature-review skills, matching anchor 4 rather than the minimal-conflict profile of anchor 5.