Conciseness

The body assumes Claude's competence with no basic-concept padding, but the proof/scoped-evidence/hash governance rules are restated at least four times (media contract section, td4/td6/td7 gate rows, completion conditions), and long gate-table cells repeat the same constraints. This matches 'mostly efficient but could be tightened' rather than the minor-trimming anchor at 4.

Actionability

Highly concrete guidance for an instruction-only skill: exact operation modes (Create|Edit|Diagnose|Audit), exact record fields (operation_mode, positive_for, not_evidence_for, excluded_claims, input_hash, output_hash, build_hash, view_id/purpose/included_ids/claim_scope), and gate ids td0–td7 with defined failure returns. It falls short of fully executable because no worked example of a filled domain contract or gate record is provided, and key machinery (Registry, shared governance from $visual-artifact-design) is referenced but not defined in the bundle.

Workflow Clarity

The td0→td7 gate table gives a clear ordered sequence where every step defines inputs, promotion evidence, claim ceiling, and an explicit failure-return target (e.g., '语义错回 td3；原生/同步错回 td4'), plus a dedicated failure-and-return section. This is exactly the explicit-validation-with-feedback-loops pattern of the top anchor.

Progressive Disclosure

Both referenced files (references/patterns.md, references/tool-profiles.md) exist, are one level deep, and are well signaled with conditional load instructions ('需要子型模型…时读取…；需要选择工具时只读取相关的…'). Minor gap: detailed decoration/visual-semantics rules (color bars, gradients, image backgrounds) are inlined in SKILL.md though they fit the patterns.md mandate, matching the minor-organization-gaps anchor.

Specificity

The description lists four concrete actions ("创建、编辑、诊断并验收") with a comprehensive enumeration of diagram types (系统与网络拓扑、流程与 SFC、电气/仪控图、机械剖面、科学机制图) and explicit non-goals ("不用于以数值规律为主的数据图、保留真实地理位置的地图、产品工作台或参数仿真"). Coverage extends beyond actions to claim levels, matching the comprehensive anchor rather than the minor-gaps anchor.

Completeness

It explicitly answers "what" (create, edit, diagnose, and accept technical diagrams and engineering documentation) and "when" with concrete trigger phrases ("用于说明/培训图、系统与网络拓扑、流程与 SFC…") plus explicit exclusions ("不用于…"). The trigger guidance is explicit and concrete, matching the top anchor rather than the weaker-'when' anchor at 4.

Trigger Term Quality

Good keyword coverage of natural domain terms (拓扑, 流程, SFC, 时序, 电气/仪控, 机械剖面, 培训图, 技术图解) that users would plausibly say. Missing common synonyms and file extensions (e.g., 原理图, 架构图, .vsd, .dwg), so it falls short of the comprehensive-synonyms anchor at 5 but sits clearly above the missing-variations anchor at 3.

Distinctiveness Conflict Risk

It carves a clear niche (relational/engineering technical diagrams and their editable native sources) and explicitly disclaims adjacent domains (numeric data charts, geographic maps, product workbenches, parameter simulation), which sharply reduces overlap with dataviz or mapping skills. Minimal conflict risk, matching the clear-niche anchor.