chore: establish YCode replication baseline and TODO

scripts/rea/recover-streaming-loading-tips.mjs

@@ -0,0 +1,53 @@
+import assert from 'node:assert/strict'
+import { readFileSync, writeFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+
+const evidencePath = resolve('.tmp/rea-runtime-scripts.json')
+const outputPath = resolve('src/renderer/src/workbuddy/conversation/streaming-loading-tips.ts')
+const evidence = JSON.parse(readFileSync(evidencePath, 'utf8'))
+assert.equal(evidence.evidence_id, 'ev_717fa5e846e64d67ac19c8925d121bff632c0d3aefb3603b10858559cabb2dcb')
+
+const sourceRecord = evidence.items.find(item => item.file_path.endsWith('src-0FGg1seX.js'))
+assert.ok(sourceRecord?.source?.artifact?.text, 'REA evidence must contain the recovered conversation module')
+assert.equal(sourceRecord.source.artifact.sha256, 'f2c6dbae949041b4e2bb456e8a23ae2837f2d7893ac24bf471485f77c7b15178')
+
+const source = sourceRecord.source.artifact.text
+const localeFunction = source.indexOf('function normalizeLocale')
+assert.ok(localeFunction > 0, 'Source locale resolver must be present')
+
+function extractTips(name, delimiter) {
+  const tick = String.fromCharCode(96)
+  const assignment = source.lastIndexOf(`${name}=${tick}`, localeFunction)
+  assert.ok(assignment >= 0, `Source ${name} tip list must be present`)
+  const contentStart = assignment + name.length + 2
+  const contentEnd = source.indexOf(tick, contentStart)
+  assert.ok(contentEnd > contentStart, `Source ${name} template literal must be closed`)
+  assert.ok(source.startsWith(`${tick}.split(${tick}${delimiter}${tick})`, contentEnd),
+    `Source ${name} list must use its recorded ${JSON.stringify(delimiter)} separator`)
+
+  const values = source.slice(contentStart, contentEnd)
+    .split(delimiter)
+    .filter(Boolean)
+    .map(value => value
+      .replace(/\\u([0-9a-f]{4})/gi, (_match, hex) => String.fromCharCode(Number.parseInt(hex, 16)))
+      .replace(/\\"/g, '"'))
+  assert.ok(values.length > 0, `Source ${name} tip list must not be empty`)
+  return values
+}
+
+const englishTips = [...extractTips('dD', '.'), ...extractTips('fD', '(')]
+const chineseTips = [...extractTips('mD', '.'), ...extractTips('hD', '.')]
+const output = `// Generated from REA ${evidence.evidence_id}; src-0FGg1seX.js SHA-256 ${sourceRecord.source.artifact.sha256}.\n` +
+  '// WorkBuddy 5.8.2 getLoadingTips() arrays; brand substitution happens in the host component.\n' +
+  'export const SOURCE_LOADING_TIPS = {\n' +
+  `  en: ${JSON.stringify(englishTips, null, 2).replaceAll('\n', '\n  ')},\n` +
+  `  zh: ${JSON.stringify(chineseTips, null, 2).replaceAll('\n', '\n  ')}\n` +
+  '} as const\n'
+
+if (process.argv.includes('--check')) {
+  assert.equal(readFileSync(outputPath, 'utf8'), output, 'Recovered streaming loading tips are stale')
+  console.log(`streaming loading tips check passed (${englishTips.length} en / ${chineseTips.length} zh)`)
+} else {
+  writeFileSync(outputPath, output, 'utf8')
+  console.log(`recovered streaming loading tips (${englishTips.length} en / ${chineseTips.length} zh) to ${outputPath}`)
+}