ENH - polish core phone app interfaces

Adds an active-call Dynamic Island and refines the Phone, Health, Notes, and Companies experiences with shared Sky UI behavior, improved keyboard interaction, and localized note deletion confirmation. Updates the relevant contract and component tests.

frontend/src/stores/phone.ts

@@ -3710,6 +3710,8 @@ const defaultLocales: LocaleTree = {
       pin: 'Pin note',
       unpin: 'Unpin note',
       deleteNote: 'Delete note',
+      deleteTitle: 'Delete Note?',
+      deleteBody: 'This note will be permanently deleted.',
       tools: {
         bold: 'Bold',
         bulletList: 'Bullet list',