feat: add structured agent tools and improve workspace chat UX

scripts/test-chat-clear-confirmation.cjs

@@ -25,7 +25,7 @@ function elements(root, predicate) {
   return [...(predicate(root) ? [root] : []), ...React.Children.toArray(root.props.children).flatMap(child => elements(child, predicate))]
 }
 
-function setup(overrides = {}) {
+function setup(overrides = {}, browser = {}) {
   const state = []
   const effects = []
   let index = 0
@@ -34,6 +34,7 @@ function setup(overrides = {}) {
   const panel = compile('../src/renderer/src/features/workspace/WorkspaceQaPanel.tsx', {
     '../../i18n': i18n,
     '../../components/AppStatusModals': { ConfirmStatusModal },
+    '../../components/ProgressiveChatResponse': { ProgressiveChatResponse: () => null },
     '../../components/ChatWidgets': { QaInputBox },
     'react-dom': { createPortal: child => child },
     react: {
@@ -45,7 +46,7 @@ function setup(overrides = {}) {
         return [state[slot], value => { state[slot] = value }]
       }
     }
-  }, { document: { body: {} } }).default
+  }, { document: { body: {} }, window: { getSelection: () => null, ...browser } }).default
   const props = {
     dark: true, workspaceActive: true, qaMode: 'ai', agentEnabled: true, visibleAiMessages: [{ id: '1', content: 'hello' }],
     visibleTeacherMessages: [], agentMessages: [], workspaceChatScrollRef: { current: null },
@@ -82,13 +83,46 @@ test('context menu deletion also requests confirmation', () => {
   const harness = setup()
   const root = harness.render()
   const area = elements(root, node => Boolean(node.props.onContextMenu))[0]
-  area.props.onContextMenu({ target: { closest: () => null }, preventDefault() {}, clientX: 10, clientY: 10 })
+  area.props.onContextMenu({ currentTarget: { contains: () => true }, preventDefault() {}, stopPropagation() {}, clientX: 10, clientY: 10 })
   const clear = elements(harness.render(), node => node.type === 'button' && node.props.children === '대화내역 삭제')[0]
   clear.props.onClick()
   assert.equal(harness.cleared(), 0)
   assert.equal(elements(harness.render(), node => node.type === ConfirmStatusModal).length, 1)
 })
 
+for (const [selected, inside] of [[false, true], [true, true], [true, false]]) {
+  test(`native chat menu copies only a selection inside the chat (selected=${selected}, inside=${inside})`, async () => {
+    let request
+    const node = {}
+    const harness = setup({}, {
+      getSelection: () => selected ? { anchorNode: node, focusNode: node, toString: () => '선택한 답변' } : null,
+      chatTextMenu: { show: async options => { request = options; return null } }
+    })
+    const area = elements(harness.render(), element => Boolean(element.props.onContextMenu))[0]
+    area.props.onContextMenu({
+      currentTarget: { contains: () => inside }, target: { closest: () => ({}) },
+      preventDefault() {}, stopPropagation() {}, clientX: 10, clientY: 10
+    })
+    await Promise.resolve()
+    assert.equal(request.kind, 'message')
+    assert.equal(request.canCopy, selected && inside)
+    assert.equal(request.canClear, true)
+    assert.equal(harness.cleared(), 0)
+  })
+}
+
+test('native menu deletion still goes through the shared confirmation dialog', async () => {
+  const harness = setup({}, { chatTextMenu: { show: async () => 'clear' } })
+  const area = elements(harness.render(), node => Boolean(node.props.onContextMenu))[0]
+  area.props.onContextMenu({ currentTarget: { contains: () => true }, preventDefault() {}, stopPropagation() {} })
+  await Promise.resolve()
+  assert.equal(harness.cleared(), 0)
+  const modal = elements(harness.render(), node => node.type === ConfirmStatusModal)[0]
+  assert.ok(modal)
+  modal.props.onConfirm()
+  assert.equal(harness.cleared(), 1)
+})
+
 for (const props of [{ inputBusy: true }, { qaMessagesLoading: true }, { visibleAiMessages: [] }]) {
   test(`does not open deletion confirmation when disabled: ${JSON.stringify(props)}`, () => {
     const harness = setup(props)