fix(web): keep thinking off the spoken consult and rectification answer

Enumerate evidence kinds so education cannot be proposed as a kind, and stream Chinese thinking on a separate channel that collapses when the reply arrives.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/lib/chat-message-view.ts

@@ -43,6 +43,7 @@ export function activityElapsedLabel(startedAt: number, now: number): string | n
 export type ChatMessage = {
   readonly role: "user" | "assistant";
   readonly text: string;
+  readonly thinkingText?: string;
   readonly techniqueTruth?: string;
   readonly agentExecutionReceipt?: AgentExecutionReceipt;
   readonly workflowReceipt?: WorkflowReceipt;
@@ -59,6 +60,7 @@ export function chatMessageViews(
   loading: boolean,
   streamingText: string,
   activity?: AgentActivityView,
+  thinkingText?: string,
 ): readonly ChatMessageView[] {
   const settled = messages.map((message, index) => ({
     ...message,
@@ -72,6 +74,7 @@ export function chatMessageViews(
     {
       role: "assistant",
       text: streamingText,
+      thinkingText,
       renderKey: `message-${messages.length}`,
       state: streamingText ? "streaming" : "thinking",
       activity,