feat: improve chat input, themed menus and agent proposal cancellation

scripts/test-agent-response-reveal.cjs

@@ -72,7 +72,7 @@ test('long answers are grouped into at most twenty steps and finish within five
 
 test('only the newly appended paragraph gets the fade class', () => {
   const { MarkdownMessage } = load('../src/renderer/src/components/ChatWidgets.tsx', {
-    '../i18n': { t: key => key, useLocaleRender() {} }, './chatAttachments': {}
+    '../i18n': { t: key => key, useLocaleRender() {} }, './chatAttachments': {}, './ChatTextContextMenu': {}
   })
   const document = createAgentRevealDocument('첫 번째 문단입니다.\n\n두 번째 문단입니다.\n\n세 번째 문단입니다.')
   const frame = agentRevealFrame(document, 0, AGENT_REVEAL_INTERVAL)
@@ -159,7 +159,7 @@ for (const dark of [false, true]) {
   test(`shared answer can expand and collapse while preserving full source text (${dark ? 'dark' : 'light'})`, () => {
     let expanded
     const { ExpandableMarkdownMessage, MarkdownMessage } = load('../src/renderer/src/components/ChatWidgets.tsx', {
-      '../i18n': { t: key => key, useLocaleRender() {} }, './chatAttachments': {},
+      '../i18n': { t: key => key, useLocaleRender() {} }, './chatAttachments': {}, './ChatTextContextMenu': {},
       react: { ...React, useEffect() {}, useState(initial) {
         if (expanded === undefined) expanded = initial
         return [expanded, update => { expanded = typeof update === 'function' ? update(expanded) : update }]
@@ -183,7 +183,7 @@ for (const dark of [false, true]) {
 
 test('short answers do not show an unnecessary collapse button', () => {
   const { ExpandableMarkdownMessage } = load('../src/renderer/src/components/ChatWidgets.tsx', {
-    '../i18n': { t: key => key, useLocaleRender() {} }, './chatAttachments': {},
+    '../i18n': { t: key => key, useLocaleRender() {} }, './chatAttachments': {}, './ChatTextContextMenu': {},
     react: { ...React, useEffect() {}, useState: initial => [initial, () => {}] }
   })
   const tree = ExpandableMarkdownMessage({ content: '짧은 답변입니다.', dark: true, defaultCollapsed: true })