fix(docs): multi-audience user+contributing and unreleased changelog

Treat 用户文档 with 贡献指南 as multi-audience split, and repair the
corrupted unreleased docs-audience changelog entry with cognitive-altitude notes.

Author: rockyshi1993

changelogs/unreleased.md

@@ -125,5 +125,5 @@ WorkspaceDataAbsorptionScopeGate · DocsSiteVisualAcceptanceGate · OmissionOnly
 - 需求：`.devcodex/devcodex-v1/requirements/控制面闭合证据与误放行治理/`。
 
 ## 2026-07-24
-- **[docs-audience]** DocsAudienceIntentGate + user/maintainer site authoring split; 
-pm run test:docs-audience`n
+- **[docs-audience]** DocsAudienceIntentGate + user/maintainer site authoring split；`npm run test:docs-audience`。
+- **[docs-cognitive-altitude]** 用户站 guide 任务语言/认知高度；禁止函数清单式 quick start；问题驱动场景延展（intent）；复审修复「用户文档+贡献指南」须 multi-audience。

scripts/lib/docs-audience-intent.js

@@ -29,8 +29,9 @@ function classifyDocsAudienceSample(prompt, opts = {}) {
   const blob = `${text}\n${pathBlob}`
   const signals = []
 
-  const hasUserPhrase = /用户使用|使用文档|安装|quick\s*start|快速开始|接入|给使用者|开源用户|第一次成功|how to use|getting started/i.test(blob)
-  const hasMaintPhrase = /维护者|贡献|contributing|本地开发|clone|发版\s*runbook|release\s*checklist|internals|ADR|开发站点|给维护/i.test(blob)
+  const hasUserPhrase = /用户使用|用户文档|使用文档|使用者文档|安装|quick\s*start|快速开始|接入|给使用者|开源用户|第一次成功|how to use|getting started/i.test(blob)
+  // 贡献 alone is weak; prefer contributing/维护者/开发站 to avoid over-fire, but 贡献指南 is maintainer
+  const hasMaintPhrase = /维护者|贡献指南|贡献流程|contributing|本地开发|clone|发版\s*runbook|release\s*checklist|internals|ADR|开发站点|给维护|维护者文档/i.test(blob)
   const hasReadme = /\bREADME\b|主入口文档/i.test(blob)
   const hasReference = /\bAPI\b|CLI|Config\s*参考|接口参考|reference/i.test(blob)
   const hasMigrationUser = /升级指南|迁移指南|从\s*v?\d|upgrade\s+guide/i.test(blob) && !/实现迁移|迁移代码|写迁移/i.test(blob)

scripts/test-docs-audience-intent.js

@@ -65,6 +65,11 @@ const {
   assert.strictEqual(r.docsAudience, 'multi-audience')
   assert.strictEqual(r.failClosed, true)
 }
+{
+  const r = classifyDocsAudienceSample('写用户文档和贡献指南')
+  assert.strictEqual(r.docsAudience, 'multi-audience', 'user doc + contributing guide must split')
+  assert.strictEqual(r.failClosed, true)
+}
 
 // Disambiguation must carry unique recommendation
 {