feat: align conversation state, composer and scoped approvals

scripts/streaming-footer-regression.tsx

@@ -106,7 +106,7 @@ const streamingMessage = (content: string, parts: ChatMessage['parts']): ChatMes
 })
 const emptyStream = renderToStaticMarkup(<MessageBubble message={streamingMessage('', [])} />)
 assert.match(emptyStream, /wb-cr-streaming-footer/)
-assert.match(emptyStream, /思考中/)
+assert.match(emptyStream, /思考中|Thinking/)
 assert.doesNotMatch(emptyStream, /bubble__cursor/)
 
 const bodyStream = renderToStaticMarkup(<MessageBubble message={streamingMessage('partial answer', [{ type: 'text', text: 'partial answer' }])} />)