chore: establish YCode replication baseline and TODO

scripts/rea/modern-conversation-labels-regression.mjs

@@ -0,0 +1,42 @@
+import assert from 'node:assert/strict'
+import path from 'node:path'
+import { pathToFileURL } from 'node:url'
+import { build } from 'esbuild'
+
+const output = path.resolve('.tmp/modern-conversation-labels-regression.mjs')
+await build({
+  entryPoints: ['src/renderer/src/workbuddy/conversation/source-labels.ts'],
+  bundle: true,
+  platform: 'node',
+  format: 'esm',
+  outfile: output,
+  logLevel: 'silent'
+})
+const labels = await import(`${pathToFileURL(output).href}?run=${Date.now()}`)
+const label = labels.sourceConversationLabel
+
+assert.equal(labels.SOURCE_CONVERSATION_DEFAULT_LOCALE, 'zh-CN')
+assert.equal(label('tool.command.confirm'), '确认执行命令？')
+assert.equal(label('tool.command.run'), '运行')
+assert.equal(label('tool.command.skip'), '跳过')
+assert.equal(label('tool.command.reject'), '拒绝')
+assert.equal(label('tool.writeFile.editing'), '修改中')
+assert.equal(label('tool.writeFile.create'), '创建')
+assert.equal(label('tool.writeFile.accept'), '接受')
+assert.equal(label('fold.completedWithDuration', { duration: '2.4 秒' }), '已完成 2.4 秒')
+assert.equal(label('chatInput.modelSelector.thinkingMode'), '思考模式')
+
+assert.equal(label('tool.command.confirm', undefined, 'en-US'), 'Run this command?')
+assert.equal(label('tool.command.run', undefined, 'en-US'), 'Run')
+assert.equal(label('tool.command.skip', undefined, 'en-US'), 'Skip')
+assert.equal(label('tool.command.reject', undefined, 'en-US'), 'Reject')
+assert.equal(label('tool.writeFile.editing', undefined, 'en-US'), 'Editing')
+assert.equal(label('tool.writeFile.create', undefined, 'en-US'), 'Create')
+assert.equal(label('tool.writeFile.accept', undefined, 'en-US'), 'Accept')
+assert.equal(label('fold.completedWithDuration', { duration: '2.4 sec' }, 'en-US'), 'Completed 2.4 sec')
+assert.equal(label('chatInput.modelSelector.thinkingMode', undefined, 'en-US'), 'Thinking mode')
+
+assert.equal(label('fold.completedWithDuration'), '已完成 {duration}')
+assert.equal(label('fold.completedWithDuration', { duration: 0 }), '已完成 0')
+assert.equal(label('not.a.source.label'), 'not.a.source.label')
+console.log('Modern conversation label regression passed (zh-CN/en-US, source anchors, interpolation, fallback).')