✨(frontend) support Shift and Alt key when building shortcuts

Add support for Shift and Alt modifiers when building shortcuts,
expanding the range of possible combinations and allowing more expressive
and flexible shortcut definitions.

src/frontend/src/features/shortcuts/types.ts

@@ -1,4 +1,6 @@
 export type Shortcut = {
   key: string
   ctrlKey?: boolean
+  shiftKey?: boolean
+  altKey?: boolean
 }

src/frontend/src/features/shortcuts/useKeyboardShortcuts.ts

@@ -11,11 +11,13 @@ export const useKeyboardShortcuts = () => {
     // This approach handles basic shortcuts but isn't comprehensive.
     // Issues might occur. First draft.
     const onKeyDown = async (e: KeyboardEvent) => {
-      const { key, metaKey, ctrlKey } = e
+      const { key, metaKey, ctrlKey, shiftKey, altKey } = e
       if (!key) return
       const shortcutKey = formatShortcutKey({
         key,
         ctrlKey: ctrlKey || (isMacintosh() && metaKey),
+        shiftKey,
+        altKey,
       })
       const shortcut = shortcutsSnap.shortcuts.get(shortcutKey)
       if (!shortcut) return

src/frontend/src/features/shortcuts/utils.ts

@@ -4,15 +4,27 @@ import { Shortcut } from '@/features/shortcuts/types'
 export const CTRL = 'ctrl'
 
 export const formatShortcutKey = (shortcut: Shortcut) => {
-  if (shortcut.ctrlKey) return `${CTRL}+${shortcut.key.toUpperCase()}`
-  return shortcut.key.toUpperCase()
+  const parts = []
+  if (shortcut.ctrlKey) parts.push(CTRL)
+  if (shortcut.altKey) parts.push('alt')
+  if (shortcut.shiftKey) parts.push('shift')
+  parts.push(shortcut.key.toUpperCase())
+  return parts.join('+')
 }
 
 export const appendShortcutLabel = (label: string, shortcut: Shortcut) => {
   if (!shortcut.key) return
-  let formattedKeyLabel = shortcut.key.toLowerCase()
+  const parts: string[] = []
   if (shortcut.ctrlKey) {
-    formattedKeyLabel = `${isMacintosh() ? '⌘' : 'Ctrl'}+${formattedKeyLabel}`
+    parts.push(isMacintosh() ? '⌘' : 'Ctrl')
   }
+  if (shortcut.altKey) {
+    parts.push(isMacintosh() ? '⌥' : 'Alt')
+  }
+  if (shortcut.shiftKey) {
+    parts.push('Shift')
+  }
+  parts.push(shortcut.key.toLowerCase())
+  const formattedKeyLabel = parts.join('+')
   return `${label} (${formattedKeyLabel})`
 }