Fix resume recalling button not showing when viewing last answered question

Bug: When recalling and viewing the previously answered question (which is the
last memory tracker), the resume recalling button in the main menu doesn't show.

Root cause: The condition for showing the Resume button was:
  (isPausedByCursor || isPausedByIndex) && toRepeatCount > 0

When viewing the last answered question after completing all recall items:
- isRecallPaused (isPausedByCursor) is true
- toRepeatCount = length - currentIndex = 0

The condition failed because toRepeatCount was 0.

Fix: Changed the condition to:
  (isPausedByCursor && hasLoadedTrackers) || (isPausedByIndex && toRepeatCount > 0)

This means:
- If viewing a previously answered question (isPausedByCursor), show Resume
  button as long as there are memory trackers loaded (even if all answered)
- If navigated away after answering (isPausedByIndex), show Resume button
  only if there are remaining items to recall

Added unit test to cover the new scenario.

Co-authored-by: terry <terry@odd-e.com>

Author: cursoragent

frontend/src/composables/useNavigationItems.ts

@@ -14,8 +14,13 @@ import { messageCenterConversations } from "@/store/messageStore"
 export function useNavigationItems() {
   const route = useRoute()
   const { dueCount } = useAssimilationCount()
-  const { toRepeatCount, isRecallPaused, currentIndex, diligentMode } =
-    useRecallData()
+  const {
+    toRepeatCount,
+    toRepeat,
+    isRecallPaused,
+    currentIndex,
+    diligentMode,
+  } = useRecallData()
 
   const upperNavItems = computed(() => {
     const baseItems = [
@@ -50,11 +55,15 @@ export function useNavigationItems() {
     // Recall is paused if:
     // 1. previousAnsweredQuestionCursor is set (viewing answered question), OR
     // 2. currentIndex > 0 (not at first memory tracker) AND not on recall page
-    // Resume button should only show when there are memory trackers to recall (toRepeatCount > 0)
+    // Resume button shows when:
+    // - isPausedByCursor is true AND memory trackers are loaded (viewing previously answered question)
+    // - isPausedByIndex is true AND there are memory trackers remaining to recall
+    const hasLoadedTrackers = (toRepeat.value?.length ?? 0) > 0
     const isPausedByCursor = isRecallPaused.value
     const isPausedByIndex = currentIndex.value > 0 && route.name !== "recall"
     const shouldShowResume =
-      (isPausedByCursor || isPausedByIndex) && toRepeatCount.value > 0
+      (isPausedByCursor && hasLoadedTrackers) ||
+      (isPausedByIndex && toRepeatCount.value > 0)
 
     if (shouldShowResume) {
       return [

frontend/tests/toolbars/MainMenu.spec.ts

@@ -607,7 +607,7 @@ describe("main menu", () => {
       },
       {
         description:
-          "does not show resume recall menu item when toRepeatCount is 0 even if currentIndex > 0",
+          "does not show resume recall menu item when toRepeatCount is 0 and not paused even if currentIndex > 0",
         routeName: "notebooks",
         isRecallPaused: false,
         currentIndex: 5,
@@ -617,6 +617,18 @@ describe("main menu", () => {
         }>,
         shouldShow: false,
       },
+      {
+        description:
+          "shows resume recall menu item when viewing last answered question (isRecallPaused true) even if toRepeatCount is 0",
+        routeName: "notebooks",
+        isRecallPaused: true,
+        currentIndex: 5,
+        toRepeat: Array(5).fill({}) as Array<{
+          memoryTrackerId?: number
+          spelling?: boolean
+        }>,
+        shouldShow: true,
+      },
     ])("$description", async ({
       routeName,
       isRecallPaused,