chore: establish YCode replication baseline and TODO

scripts/audit-capability-runtime.mjs

@@ -0,0 +1,34 @@
+// Inspect archived REA results only; this script has no access to the original runtime.
+import fs from 'node:fs/promises'
+import path from 'node:path'
+import crypto from 'node:crypto'
+const states = [
+  ['专家市场', '.tmp/rea-expert-entry-static-20261016'],
+  ['我的专家空态', '.tmp/rea-my-experts-static-20261016'],
+  ['技能市场', '.tmp/rea-market-skills-20261016', 0],
+  ['已安装技能', '.tmp/rea-installed-skills-static-20261016'],
+  ['添加技能菜单', '.tmp/rea-add-skill-options-20261016', 0],
+  ['连接器市场', '.tmp/rea-market-connectors-static-20261016'],
+  ['QQ邮箱未连接详情', '.tmp/rea-connector-detail-20261016', 0],
+  ['详情收到Escape后仍打开', '.tmp/rea-connector-detail-20261016', 1],
+  ['自定义MCP管理', '.tmp/rea-custom-connectors-static-20261016'],
+  ['取证结束已恢复首页', '.tmp/rea-capability-restored-home-20261016']
+]
+const results = []
+for (const [name, directory, frame] of states) {
+  const layout = JSON.parse(await fs.readFile(path.join(directory, 'layout.json'), 'utf8'))
+  const artifact = frame === undefined ? layout.artifact : layout.probe.frames[frame].artifact
+  const file = path.join(directory, frame === undefined ? 'workbuddy.png' : `frame-${String(frame).padStart(3, '0')}.png`)
+  const png = await fs.readFile(file)
+  const sha256 = crypto.createHash('sha256').update(png).digest('hex')
+  if (sha256 !== artifact.sha256) throw Error(`REA PNG mismatch: ${name}`)
+  results.push({ name, evidenceId: layout.evidenceId, file, sha256,
+    observation: frame === undefined ? 'static baseline layout and image' : 'post-action image; baseline layout describes the earlier state',
+    ...(frame === undefined ? {} : { step: layout.probe.frames[frame].step_id, probeStatus: layout.probe.status,
+      steps: layout.probe.steps.map(({ step_id, status, error }) => ({ step_id, status, error })), restoration: layout.probe.restoration }) })
+}
+const output = '.tmp/capability-assessment-20261016/runtime-index.json'
+await fs.mkdir(path.dirname(output), { recursive: true })
+await fs.writeFile(output, JSON.stringify({ originalVersion: '5.8.2', scope: 'REA archived UI observations; not an implementation or pixel-parity verdict',
+  actionsExcluded: ['installation', 'enabling/disabling', 'account authorization', 'configuration save', 'model messages'], results }, null, 2))
+console.log(JSON.stringify({ output, imagesVerified: results.length, partialFramesRetained: results.filter(result => result.probeStatus === 'failed').length }))