fix(tui): keep spinner active when toggling tools (#92909)

* fix(tui): keep spinner active when toggling tools

* fix(tui): preserve finishing status when toggling tools

---------

Co-authored-by: zengwen <zeng_wen@foxmail.com>
Co-authored-by: Vincent Koc <vincentkoc@ieee.org>

src/tui/tui.test.ts

@@ -18,6 +18,7 @@ import {
   resolveFinalAssistantText,
   resolveGatewayDisconnectState,
   resolveInitialTuiAgentId,
+  resolveTuiToolsToggleActivityStatus,
   isTuiBusyActivityStatus,
   resolveLocalAuthCliInvocation,
   resolveLocalAuthSpawnCwd,
@@ -191,6 +192,35 @@ describe("isTuiBusyActivityStatus", () => {
   });
 });
 
+describe("resolveTuiToolsToggleActivityStatus", () => {
+  it("preserves busy status while an active run exists", () => {
+    expect(
+      resolveTuiToolsToggleActivityStatus({
+        currentStatus: "streaming",
+        toolsExpanded: true,
+      }),
+    ).toBe("streaming");
+  });
+
+  it("preserves finishing context after the active run id clears", () => {
+    expect(
+      resolveTuiToolsToggleActivityStatus({
+        currentStatus: "finishing context",
+        toolsExpanded: false,
+      }),
+    ).toBe("finishing context");
+  });
+
+  it("uses the tool toggle status when activity is idle", () => {
+    expect(
+      resolveTuiToolsToggleActivityStatus({
+        currentStatus: "idle",
+        toolsExpanded: false,
+      }),
+    ).toBe("tools collapsed");
+  });
+});
+
 describe("resolveTuiShutdownHardExitMs", () => {
   it("keeps gateway shutdown bounded by the hard-exit timer", () => {
     expect(resolveTuiShutdownHardExitMs({ localMode: false })).toBe(2000);

src/tui/tui.ts

@@ -411,6 +411,17 @@ export function isTuiBusyActivityStatus(status: string): boolean {
   return TUI_BUSY_ACTIVITY_STATUSES.has(status);
 }
 
+export function resolveTuiToolsToggleActivityStatus(params: {
+  currentStatus: string;
+  toolsExpanded: boolean;
+}): string {
+  const toolsStatus = params.toolsExpanded ? "tools expanded" : "tools collapsed";
+  if (isTuiBusyActivityStatus(params.currentStatus)) {
+    return params.currentStatus;
+  }
+  return toolsStatus;
+}
+
 export function resolveTuiShutdownHardExitMs(params: { localMode?: boolean } = {}): number {
   return TUI_SHUTDOWN_HARD_EXIT_MS + (params.localMode ? resolveLocalRunShutdownGraceMs() : 0);
 }
@@ -1460,7 +1471,14 @@ export async function runTui(opts: RunTuiOptions): Promise<TuiResult> {
   editor.onCtrlO = () => {
     toolsExpanded = !toolsExpanded;
     chatLog.setToolsExpanded(toolsExpanded);
-    setActivityStatus(toolsExpanded ? "tools expanded" : "tools collapsed");
+    // Ctrl+O is presentation-only; preserve busy activity so the status loader
+    // does not disappear before the run lifecycle ends.
+    setActivityStatus(
+      resolveTuiToolsToggleActivityStatus({
+        currentStatus: activityStatus,
+        toolsExpanded,
+      }),
+    );
     tui.requestRender();
   };
   editor.onCtrlL = () => {