revert: drop terminal-routed history polling (pending TUI questions aren't persisted)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: centdix

frontend/src/lib/MobileChatSurface.svelte

@@ -280,37 +280,6 @@
     };
   });
 
-  // A freshly-created worktree runs Claude in the terminal (e.g. `claude -- "<prompt>"`),
-  // not the web `claude -p` socket, so those turns never publish live stream events.
-  // While that agent is actively working and we have no live stream, poll history so
-  // its messages — including a pending AskUserQuestion — show up in the web chat.
-  const agentWorking = $derived(worktree.agent === "working");
-
-  $effect(() => {
-    if (!agentWorking) return;
-
-    let requestInFlight = false;
-    const interval = window.setInterval(() => {
-      if (requestInFlight) return;
-      if (conversation?.provider !== "claudeCode") return;
-      if (hasActiveConversationStream(conversation.conversationId)) return;
-      requestInFlight = true;
-      void (async () => {
-        try {
-          applyConversationResponse(await requestConversation("history"));
-        } catch (error) {
-          conversationError = error instanceof Error ? error.message : String(error);
-        } finally {
-          requestInFlight = false;
-        }
-      })();
-    }, REFRESH_POLL_INTERVAL_MS);
-
-    return () => {
-      window.clearInterval(interval);
-    };
-  });
-
   $effect(() => {
     const pollingState = refreshPollingState;
     if (!pollingState) return;

frontend/src/lib/MobileChatSurface.test.ts

@@ -265,64 +265,6 @@ describe("MobileChatSurface", () => {
     await screen.findByText("Done from terminal");
   });
 
-  it("polls Claude history for a terminal-routed run while the agent is working", async () => {
-    vi.mocked(attachWorktreeConversation).mockResolvedValue(createConversationResponse("claudeCode"));
-    vi.mocked(fetchWorktreeConversationHistory).mockResolvedValue(createConversationResponse("claudeCode", {
-      messages: [
-        {
-          id: "ask-1",
-          turnId: "turn-1",
-          order: 0,
-          role: "assistant",
-          kind: "toolUse",
-          toolName: "AskUserQuestion",
-          toolCallId: "ask-1",
-          text: JSON.stringify({
-            questions: [
-              {
-                question: "Cats or dogs?",
-                header: "Pet type",
-                multiSelect: false,
-                options: [{ label: "Cats" }, { label: "Dogs" }],
-              },
-            ],
-          }),
-          status: "completed",
-          createdAt: "2026-05-28T10:00:00.000Z",
-        },
-      ],
-    }));
-
-    render(MobileChatSurface, {
-      props: {
-        worktree: createWorktree({ agent: "working" }),
-      },
-    });
-
-    await vi.advanceTimersByTimeAsync(1000);
-
-    await waitFor(() => {
-      expect(fetchWorktreeConversationHistory).toHaveBeenCalledWith("feature/mobile-chat");
-    });
-    await screen.findByRole("button", { name: "Cats" });
-  });
-
-  it("does not poll history for an idle Claude worktree on mount", async () => {
-    vi.mocked(attachWorktreeConversation).mockResolvedValue(createConversationResponse("claudeCode"));
-    vi.mocked(fetchWorktreeConversationHistory).mockResolvedValue(createConversationResponse("claudeCode"));
-
-    render(MobileChatSurface, {
-      props: {
-        worktree: createWorktree({ agent: "waiting" }),
-      },
-    });
-
-    await screen.findByText("No messages yet. Send the first prompt to start this chat.");
-    await vi.advanceTimersByTimeAsync(3000);
-
-    expect(fetchWorktreeConversationHistory).not.toHaveBeenCalled();
-  });
-
   it("does not poll Codex history after sending when the websocket stream is active", async () => {
     vi.mocked(attachWorktreeConversation).mockResolvedValue(createConversationResponse("codexAppServer"));
     vi.mocked(sendWorktreeConversationMessage).mockResolvedValue({