test(app): align queue removal coverage on dev

Author: henry701

packages/app/src/pages/session.queue-save.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, test } from "bun:test"
-import { applyQueueSaveSuccess } from "./session.queue-save"
+import { applyQueueSaveSuccess, removeQueuedFollowup } from "./session.queue-save"
 
 describe("queue save success", () => {
   test("resumes server drain after saving an edited queued prompt", () => {
@@ -33,3 +33,27 @@ describe("queue save success", () => {
     expect(calls).toEqual(["clearFailed", "clearPaused"])
   })
 })
+
+describe("queue local removal", () => {
+  test("removes a sent queued prompt from the local preview list", () => {
+    expect(
+      removeQueuedFollowup(
+        [
+          { id: "pqu_1", text: "one" },
+          { id: "pqu_2", text: "two" },
+          { id: "pqu_3", text: "three" },
+        ],
+        "pqu_2",
+      ),
+    ).toEqual([
+      { id: "pqu_1", text: "one" },
+      { id: "pqu_3", text: "three" },
+    ])
+  })
+
+  test("preserves the same list when the queued prompt is absent", () => {
+    const items = [{ id: "pqu_1", text: "one" }]
+
+    expect(removeQueuedFollowup(items, "pqu_missing")).toBe(items)
+  })
+})