fix: refine agent image attachments and restore Korean filenames

scripts/test-agent-request-payload.cjs

@@ -19,6 +19,20 @@ function visit(node) {
 visit(source)
 assert.ok(payloadExpression, 'Agent request JSON serialization must exist')
 
+test('user messages preserve only typed text while attachments remain separate metadata', () => {
+  let initializer
+  function find(node) {
+    if (ts.isVariableDeclaration(node) && node.name.getText(source) === 'userMessage') initializer = node.initializer.getText(source)
+    ts.forEachChild(node, find)
+  }
+  find(source)
+  assert.ok(initializer)
+  for (const request of ['이 이미지에서 슬램에 필요한 모듈만 골라봐', '첫 줄\n첨부 파일: 직접 입력한 내용']) {
+    const message = vm.runInNewContext(`(${initializer})`, { request, options: { attachments: [{ name: '스크린샷.png' }] } })
+    assert.equal(message.content, request)
+  }
+})
+
 function serialize(attachments, finalize = false, request = '설정 위치 알려줘', imageTokens = []) {
   return JSON.parse(vm.runInNewContext(payloadExpression, {
     courseId: 'course-1', weekNumber: 3, request, options: { attachments }, finalize,

scripts/test-ai-response-presentation.cjs

@@ -21,15 +21,38 @@ const widgets = compile(fs.readFileSync(require.resolve('../src/renderer/src/com
 const panelSource = ts.createSourceFile('WorkspaceQaPanel.tsx', fs.readFileSync(require.resolve('../src/renderer/src/features/workspace/WorkspaceQaPanel.tsx'), 'utf8'), ts.ScriptTarget.Latest, true, ts.ScriptKind.TSX)
 const declarations = panelSource.statements.filter(node => ts.isFunctionDeclaration(node) && ['AiMessages', 'AgentMessages', 'TeacherMessages'].includes(node.name?.text))
 const ProgressiveChatResponse = props => React.createElement('div', { 'data-reveal-start': props.message.revealStartedAt, 'data-collapsed': props.defaultCollapsed }, props.message.content)
+const ChatImageAttachments = props => React.createElement('div', { 'data-chat-image-attachments': props.variant }, props.images.map(image => React.createElement('img', { key: image.url, src: image.url, alt: image.name })))
 const messages = compile(declarations.map(node => `export ${node.getText(panelSource)}`).join('\n'), {}, {
   t: key => key, useLocaleRender() {},
   ChatResponseSkeleton: widgets.ChatResponseSkeleton,
   ChatEmptyState: widgets.ChatEmptyState,
   ProgressiveChatResponse,
+  ChatImageAttachments,
   MessageCopyButton: () => null,
   Bot: () => React.createElement('svg'), WandSparkles: () => React.createElement('svg')
 })
 
+test('agent image thumbnails are siblings below the user bubble rather than bubble contents', () => {
+  const tree = messages.AgentMessages({
+    dark: true, enabled: true, statusLoading: false, pending: false,
+    messages: [{ id: 'user', role: 'user', content: '이 화면을 확인해줘\n두 번째 줄', imageAttachments: [{ name: '스크린샷.png', url: 'https://files.test/image.png' }] }]
+  })
+  let row
+  function visit(element) {
+    if (!React.isValidElement(element)) return
+    const children = React.Children.toArray(element.props.children)
+    if (children.some(child => React.isValidElement(child) && child.props['data-agent-user-bubble'])) row = children
+    children.forEach(visit)
+  }
+  visit(tree)
+  assert.ok(row)
+  assert.equal(row[0].props.children, '이 화면을 확인해줘\n두 번째 줄')
+  assert.match(row[0].props.className, /whitespace-pre-wrap/)
+  assert.equal(row[1].type, ChatImageAttachments)
+  assert.equal(row[1].props.variant, 'sent')
+  assert.equal(row[1].props.images.length, 1)
+})
+
 for (const dark of [false, true]) {
   for (const mode of ['AiMessages', 'AgentMessages']) {
     test(`${mode} uses a three-line skeleton instead of a spinner (${dark ? 'dark' : 'light'})`, () => {

scripts/test-chat-image-attachments.cjs

@@ -3,6 +3,8 @@ const assert = require('node:assert/strict')
 const fs = require('node:fs')
 const vm = require('node:vm')
 const ts = require('typescript')
+const React = require('react')
+const { renderToStaticMarkup } = require('react-dom/server')
 
 function setup() {
   const api = {}
@@ -18,7 +20,7 @@ function setup() {
     },
     URL: { createObjectURL: () => `blob:fixture-${++count}`, revokeObjectURL: url => revoked.push(url) }
   })
-  return { read: (files, existing = []) => api.readChatAttachments(files, existing, { imagesEnabled: true }), revoked }
+  return { api, read: (files, existing = []) => api.readChatAttachments(files, existing, { imagesEnabled: true }), revoked }
 }
 const image = (extra = {}) => ({ name: 'screen.png', size: 100, ...extra })
 
@@ -46,3 +48,71 @@ test('a mixed batch failure revokes only newly created image previews', async ()
   assert.deepEqual(h.revoked, ['blob:fixture-2'])
   assert.equal(existing[0].previewUrl, 'blob:fixture-1')
 })
+
+test('restores cached multipart filenames while preserving valid Unicode and Latin-1 names', () => {
+  const { api } = setup()
+  const name = '스크린샷 2026-10-19 14-30-45.png'
+  assert.equal(api.displayAttachmentName(Buffer.from(name).toString('latin1')), name)
+  for (const value of [name, 'screen.png', 'caf\u00e9.png', '\uD83D\uDCF7.png']) assert.equal(api.displayAttachmentName(value), value)
+})
+
+function previewHarness() {
+  const { api } = setup()
+  const exports = {}
+  let preview = null
+  vm.runInNewContext(ts.transpileModule(fs.readFileSync(require.resolve('../src/renderer/src/components/ChatImageAttachments.tsx'), 'utf8'), {
+    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2022, jsx: ts.JsxEmit.ReactJSX }
+  }).outputText, {
+    exports,
+    document: { body: {} },
+    require(name) {
+      if (name === 'react') return { ...React, useEffect() {}, useRef: () => ({ current: null }), useState: () => [preview, value => { preview = value }] }
+      if (name === 'react-dom') return { createPortal: child => child }
+      if (name === '../i18n') return { t: key => key, useLocaleRender() {} }
+      if (name === './chatAttachments') return api
+      return require(name)
+    }
+  })
+  const find = (node, predicate) => {
+    if (!React.isValidElement(node)) return null
+    if (predicate(node)) return node
+    return React.Children.toArray(node.props.children).map(child => find(child, predicate)).find(Boolean)
+  }
+  return { render: props => exports.ChatImageAttachments(props), find }
+}
+
+for (const dark of [true, false]) {
+  test(`draft combines thumbnail, truncated filename and removal in one bounded item (${dark ? 'dark' : 'light'})`, () => {
+    const h = previewHarness()
+    const name = '스크린샷-긴파일이름-'.repeat(12) + '.png'
+    let removed
+    const props = { images: [{ name, url: 'blob:fixture' }], dark, onRemove: image => { removed = image.url } }
+    const tree = h.render(props)
+    const item = h.find(tree, node => node.props['data-chat-image-draft'])
+    assert.ok(item)
+    assert.match(item.props.className, /w-56.*max-w-full/)
+    assert.ok(h.find(item, node => node.type === 'img'))
+    const label = h.find(item, node => node.type === 'span')
+    assert.equal(label.props.children, name)
+    assert.match(label.props.className, /truncate/)
+    const zoom = h.find(item, node => node.type === 'button' && node.props.title === name)
+    assert.equal(zoom.props.title, name)
+    h.find(item, node => node.type === 'button' && node.props['aria-label'] === `첨부 제거: ${name}`).props.onClick()
+    assert.equal(removed, 'blob:fixture')
+    const busyItem = h.find(h.render({ ...props, removeDisabled: true }), node => node.props['data-chat-image-draft'])
+    assert.equal(h.find(busyItem, node => node.type === 'button' && node.props['aria-label'] === `첨부 제거: ${name}`).props.disabled, true)
+  })
+}
+
+test('cached garbled names are restored in the thumbnail label and enlarged dialog', () => {
+  const h = previewHarness()
+  const name = '스크린샷 2026-10-19 14-30-45.png'
+  const props = { images: [{ name: Buffer.from(name).toString('latin1'), url: 'https://files.test/image.png' }], variant: 'sent' }
+  const tree = h.render(props)
+  assert.equal(h.find(tree, node => node.type === 'button').props.title, name)
+  assert.equal(h.find(tree, node => node.props['data-chat-image-draft']), undefined)
+  h.find(tree, node => node.type === 'button').props.onClick()
+  const html = renderToStaticMarkup(h.render(props))
+  assert.match(html, /<dialog[^>]*aria-label="스크린샷 2026-10-19 14-30-45.png"/)
+  assert.ok(html.includes(`>${name}</span>`))
+})