feat(agents,backends,conversations,frontends,ui): progress thinking is told apart by its agent, raycast reasoning stays collapsed, read_conversation keeps progress

ui/src/lib/panel/activity.svelte.ts

@@ -233,8 +233,11 @@ export class ActivityModel {
     }
     if (sdk.type === "content_block_delta" && parent === null) {
       const delta = sdk.delta as Record<string, unknown> | undefined;
+      const progress = this.conversation?.thinking_is_progress === true;
       const text =
-        delta?.type === "thinking_delta" ? delta.thinking : delta?.text;
+        delta?.type === "thinking_delta" && progress
+          ? delta.thinking
+          : delta?.text;
       if (typeof text === "string" && text) {
         turn.text = joinText(turn.text, text, turn.paused);
         turn.paused = false;