fix(mobile): polish photo carousels and video viewer controls (#8079)

## Summary
- Keep neighboring carousel photos visible, add page-change haptics, and
reuse appearance-style dots with native iOS glass and grouped actions.
- Refine full-screen video controls with fading transport, cycling
speeds, pinch-to-zoom, and double-tap reset before swipe-to-dismiss.

### Related issue
N/A. Checked recent open PRs; repository issue search was unavailable.

### Testing
- Mobile analysis/format checks, file-size guards, and full Flutter
suite passed (2,680 tests; 4 skipped).
- Built, installed, and manually verified on the connected iPhone.
- `just ci` was attempted but blocked fetching a Rust dependency because
this Mac could not connect to GitHub.

---------

Signed-off-by: kenny lopez <klopez4212@gmail.com>
Signed-off-by: klopez4212 <klopez4212@gmail.com>

.github/workflows/_ci-clients.yml

@@ -135,8 +135,17 @@ jobs:
         run: swift build -c release --package-path mobile/ios/BuzzPushKit
       - name: Test
         run: swift test --package-path mobile/ios/BuzzPushKit
+      - name: Test native pagination geometry
+        run: /bin/bash scripts/test-mobile-pagination.sh
       - name: Build complete iOS simulator app
         run: cd mobile && flutter build ios --simulator --debug --no-pub
+      - name: Test native pagination accessibility
+        run: |
+          device=$(xcrun simctl create "Pagination accessibility" "iPhone 16")
+          trap 'xcrun simctl shutdown "$device"; xcrun simctl delete "$device"' EXIT
+          xcrun simctl boot "$device"
+          xcrun simctl bootstatus "$device" -b
+          /bin/bash scripts/test-mobile-pagination-accessibility.sh "$device"
       - name: Build complete unsigned iOS release
         run: |
           /bin/bash scripts/test-mobile-gateway-recipes.sh