Fix touchscreen navigation and add runtime touch diagnostics

.github/workflows/run-unit-tests.yml

@@ -64,6 +64,16 @@ jobs:
       - name: Verify ESP32 USB sleep and G3 button wake
         run: python3 -B test/test_esp32_usb_sleep.py
 
+      - name: Verify message reader buttons, touch targets, and footer layouts
+        working-directory: test
+        run: >-
+          python3 -B -m unittest
+          test_message_navigation test_companion_john test_reader_touch_coordinates
+          test_touch_debug_overlay test_touch_debug_cli test_color_theme
+          test_indicator_messages_profile test_t096_message_footer_profile
+          test_indicator_display_profile test_indicator_render_profile
+          test_indicator_exclusive_transport test_companion_transport_selector
+
       - name: Verify logging sleep guards and instructions
         run: |
           python3 -B test/test_logging_sleep_contract.py