diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index c8294e4a1..b1619a55c 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -177,20 +177,36 @@ jobs:
       with:
         name: screenshots-${{ matrix.aw-server }}-${{ matrix.aw-version }}
         path: screenshots/dist/*
+    # NOTE: the glob covers both cache roots. Since ActivityWatch/aw-server-rust#652
+    # a --testing server logs under ~/.cache/activitywatch-testing/, while released
+    # builds still use ~/.cache/activitywatch/. These steps must never fail on absence.
     - name: Print server logs to console
       if: ${{ always() }}
       shell: bash
-      run:
-        for file in ~/.cache/activitywatch/log/*/*.log; do echo $file; cat $file; echo; done
+      run: |
+        shopt -s nullglob
+        logs=(~/.cache/activitywatch*/log/*/*.log)
+        if [ ${#logs[@]} -eq 0 ]; then
+          echo "No server logs found under ~/.cache/activitywatch*/log/"
+          exit 0
+        fi
+        for file in "${logs[@]}"; do echo "$file"; cat "$file"; echo; done
     - name: Move logs to subdir
       # Run this step even if e2e tests flag failure
       if: ${{ always() }}
+      shell: bash
       env:
         aw_server: ${{ matrix.aw-server }}
         aw_version: ${{ matrix.aw-version }}
       run: |
-        mkdir -p logs/dist/$aw_server/$aw_version
-        mv ~/.cache/activitywatch/log/*/*.log logs/dist/$aw_server/$aw_version
+        shopt -s nullglob
+        logs=(~/.cache/activitywatch*/log/*/*.log)
+        if [ ${#logs[@]} -eq 0 ]; then
+          echo "No server logs to move"
+          exit 0
+        fi
+        mkdir -p "logs/dist/$aw_server/$aw_version"
+        mv "${logs[@]}" "logs/dist/$aw_server/$aw_version"
     - name: Upload logs
       if: ${{ always() }}
       uses: actions/upload-artifact@v7
diff --git a/src/queries.ts b/src/queries.ts
index 10b51e6d8..1f2f87a40 100644
--- a/src/queries.ts
+++ b/src/queries.ts
@@ -70,6 +70,7 @@ interface DesktopQueryParams extends BaseQueryParams {
 
 interface AndroidQueryParams extends BaseQueryParams {
   bid_android: string;
+  isIos?: boolean;
 }
 
 interface MultiQueryParams extends BaseQueryParams {
@@ -154,8 +155,12 @@ export function canonicalEvents(params: DesktopQueryParams | AndroidQueryParams)
   return [
     // Fetch window/app events
     `events = flood(${queryBucket(bid_window)});`,
-    // On Android, merge events to avoid overload of events
-    isAndroidParams(params) ? 'events = merge_events_by_keys(events, ["app", "title"]);' : '',
+    // Android watcher events have classname but no title; ScreenTime events have title.
+    isAndroidParams(params)
+      ? params.isIos
+        ? 'events = merge_events_by_keys(events, ["app", "title"]);'
+        : 'events = merge_events_by_keys(events, ["app", "classname"]);'
+      : '',
     // Fetch not-afk events
     isDesktopParams(params)
       ? `not_afk = flood(${queryBucket(params.bid_afk)});
@@ -225,19 +230,22 @@ const default_limit = 100; // Hardcoded limit per group
 export function appQuery(
   appbucket: string,
   categories: Category[],
-  filter_categories: string[][]
+  filter_categories: string[][],
+  isIos = false
 ): string[] {
   appbucket = escape_doublequote(appbucket);
   const params: AndroidQueryParams = {
     bid_android: appbucket,
     categories,
     filter_categories,
+    isIos,
   };
+  const titleMergeKeys = isIos ? '["app", "title"]' : '["app", "classname"]';
 
   const code = `
     ${canonicalEvents(params)}
 
-    title_events = sort_by_duration(merge_events_by_keys(events, ["app", "classname", "title"]));
+    title_events = sort_by_duration(merge_events_by_keys(events, ${titleMergeKeys}));
     app_events   = sort_by_duration(merge_events_by_keys(title_events, ["app"]));
     cat_events   = sort_by_duration(merge_events_by_keys(events, ["$category"]));
 
diff --git a/src/stores/activity.ts b/src/stores/activity.ts
index c9816ae17..d9e708401 100644
--- a/src/stores/activity.ts
+++ b/src/stores/activity.ts
@@ -328,16 +328,16 @@ export const useActivityStore = defineStore('activity', {
       );
       const selectedBucket = iosBucket || this.buckets.android[0];
 
+      const isIos = !!iosBucket;
       const q = queries.appQuery(
         selectedBucket,
         categoryStore.classes_for_query,
-        filter_categories
+        filter_categories,
+        isIos
       );
       const data = await getClient().query(periods, q).catch(this.errorHandler);
 
       // Post-process for iOS compatibility (swap app <-> title)
-      const isIos = !!iosBucket;
-
       if (isIos && data && data[0] && data[0].title_events) {
         // Build bundle ID → human name lookup from title_events before modifying them.
         // title_events has 'app' = bundle ID and 'title' = human-readable name.
@@ -551,9 +551,10 @@ export const useActivityStore = defineStore('activity', {
         }
 
         // Prefer ScreenTime bucket over Android watcher for consistency with query_android
-        const iosOrAndroidBucket =
-          this.buckets.android.find((id: string) => id.startsWith('aw-import-screentime')) ||
-          this.buckets.android[0];
+        const iosBucketForCategory = this.buckets.android.find((id: string) =>
+          id.startsWith('aw-import-screentime')
+        );
+        const iosOrAndroidBucket = iosBucketForCategory || this.buckets.android[0];
         const isAndroid = iosOrAndroidBucket !== undefined;
         const categories = useCategoryStore().classes_for_query;
         // TODO: Clean up call, pass QueryParams in fullDesktopQuery as well
@@ -571,6 +572,7 @@ export const useActivityStore = defineStore('activity', {
           ...(isAndroid
             ? {
                 bid_android: iosOrAndroidBucket,
+                isIos: !!iosBucketForCategory,
               }
             : {
                 bid_afk: this.buckets.afk[0],
diff --git a/src/views/settings/CategoryBuilder.vue b/src/views/settings/CategoryBuilder.vue
index 77d25a9b4..ac0a562da 100644
--- a/src/views/settings/CategoryBuilder.vue
+++ b/src/views/settings/CategoryBuilder.vue
@@ -261,7 +261,10 @@ export default {
       let bucketParams;
       if (!windowAvail && androidBuckets.length > 0) {
         const screentimeBucket = androidBuckets.find(id => id.startsWith('aw-import-screentime'));
-        bucketParams = { bid_android: screentimeBucket || androidBuckets[0] };
+        bucketParams = {
+          bid_android: screentimeBucket || androidBuckets[0],
+          isIos: !!screentimeBucket,
+        };
       } else {
         bucketParams = {
           bid_window: 'aw-watcher-window_' + hostname,
diff --git a/test/unit/queries.test.node.ts b/test/unit/queries.test.node.ts
index 9b15c23ef..4642c233f 100644
--- a/test/unit/queries.test.node.ts
+++ b/test/unit/queries.test.node.ts
@@ -55,7 +55,7 @@
  *             (Flatpak app ID retained: 'one.ablaze.floorp')
  */
 
-import { browser_appname_regex, querystr_to_array } from '~/queries';
+import { browser_appname_regex, querystr_to_array, canonicalEvents, appQuery } from '~/queries';
 
 // Convert ActivityWatch (?i) patterns to JS RegExp with i flag for testing.
 // AW server uses Python-style (?i) inline flag; JS uses RegExp 'i' flag instead.
@@ -277,3 +277,34 @@ describe('querystr_to_array', () => {
     expect(result).toHaveLength(2);
   });
 });
+
+// Regression guard: Android merge keys must not include "title" (Android events
+// only carry app/package/classname — missing keys cause aw-transform to drop all
+// events, producing "Time active: 0s" in the Activity view). See issue #959.
+describe('Android merge keys (regression guard for issue #959)', () => {
+  const androidParams = {
+    bid_android: 'aw-watcher-android_test',
+    categories: [] as never[],
+    filter_categories: [] as never[],
+  };
+
+  test('canonicalEvents uses ["app", "classname"] merge keys for Android, not ["app", "title"]', () => {
+    const query = canonicalEvents(androidParams as Parameters<typeof canonicalEvents>[0]);
+    expect(query).toContain('merge_events_by_keys(events, ["app", "classname"])');
+    expect(query).not.toContain('merge_events_by_keys(events, ["app", "title"])');
+  });
+
+  test('appQuery does not include "title" in Android merge keys', () => {
+    const queryLines = appQuery('aw-watcher-android_test', [], []);
+    const fullQuery = queryLines.join('\n');
+    expect(fullQuery).toContain('merge_events_by_keys(events, ["app", "classname"])');
+    expect(fullQuery).not.toContain('merge_events_by_keys(events, ["app", "title"])');
+  });
+
+  test('appQuery preserves ScreenTime events with iOS title merge keys', () => {
+    const queryLines = appQuery('aw-import-screentime_test', [], [], true);
+    const fullQuery = queryLines.join('\n');
+    expect(fullQuery).toContain('merge_events_by_keys(events, ["app", "title"])');
+    expect(fullQuery).not.toContain('merge_events_by_keys(events, ["app", "classname"])');
+  });
+});