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

src/beaver_gateway/conversations/rows.py

@@ -352,6 +352,8 @@ class Rows(State):
             for b in await self.bindings(conv)
         ]
         live = self._pool.get(conv.external_id)
+        agent = self._agents.get(conv.agent_name)
+        out["thinking_is_progress"] = agent is not None and agent.thinking_is_progress
         out["live"] = live is not None
         out["busy"] = live.busy if live is not None else False
         runner = self._runners.get(cast("int", conv.id))
@@ -466,7 +468,13 @@ class Rows(State):
         return marked
 
     async def read(self, conv: Conversation, *, window: int | None = None) -> str:
-        return render_messages(await self.history(conv), window=window)
+        return render_messages(
+            await self.history(conv),
+            thinking_is_progress=self._claude_agent(
+                conv.agent_name
+            ).thinking_is_progress,
+            window=window,
+        )
 
     async def history(self, conv: Conversation) -> list[dict[str, Any]]:
         if conv.session_id is None: