add first letter navigation, switch channels with ctrl k and not ctrl shift c

frontend-vue/src/components/sidebar/ChannelList.vue

@@ -40,6 +40,11 @@ const props = defineProps<Props>()
 const containerRef = ref<HTMLElement>()
 const focusedChannelIndex = ref(0)
 
+// For alphanumeric navigation
+const lastSearchChar = ref('')
+const lastSearchTime = ref(0)
+const searchResetDelay = 1000 // Reset after 1 second
+
 // Handle individual channel events
 const handleChannelSelect = (channelId: number) => {
   emit('select-channel', channelId)
@@ -103,6 +108,13 @@ const handleChannelKeydown = (event: KeyboardEvent, channelIndex: number) => {
       break
 
     default:
+      // Handle alphanumeric navigation (a-z, 0-9)
+      const char = event.key.toLowerCase()
+      if (/^[a-z0-9]$/.test(char)) {
+        event.preventDefault()
+        handleAlphanumericNavigation(char, channelIndex)
+        return
+      }
       return
   }
   
@@ -122,6 +134,41 @@ const focusChannel = (index: number) => {
   })
 }
 
+const handleAlphanumericNavigation = (char: string, currentIndex: number) => {
+  if (props.channels.length === 0) return
+
+  const now = Date.now()
+  const sameChar = lastSearchChar.value === char && (now - lastSearchTime.value) < searchResetDelay
+
+  lastSearchChar.value = char
+  lastSearchTime.value = now
+
+  // Find channels starting with the character
+  const matchingIndices: number[] = []
+  props.channels.forEach((channel, index) => {
+    if (channel.name.toLowerCase().startsWith(char)) {
+      matchingIndices.push(index)
+    }
+  })
+
+  if (matchingIndices.length === 0) return
+
+  // If pressing the same character repeatedly, cycle through matches
+  if (sameChar) {
+    // Find the next match after current index
+    const nextMatch = matchingIndices.find(index => index > currentIndex)
+    if (nextMatch !== undefined) {
+      focusChannel(nextMatch)
+    } else {
+      // Wrap around to the first match
+      focusChannel(matchingIndices[0])
+    }
+  } else {
+    // New character: jump to first match
+    focusChannel(matchingIndices[0])
+  }
+}
+
 
 // Watch for channels changes and adjust focus
 watch(() => props.channels.length, (newLength) => {

frontend-vue/src/composables/useKeyboardShortcuts.ts

@@ -44,7 +44,8 @@ export function useKeyboardShortcuts() {
       // Allow certain shortcuts to work globally, even in input fields
       const isGlobalShortcut = (shortcut.ctrlKey && shortcut.shiftKey) ||
                               shortcut.altKey ||
-                              shortcut.key === 'escape'
+                              shortcut.key === 'escape' ||
+                              (shortcut.ctrlKey && shortcut.key === 'k')
 
       // Skip shortcuts that shouldn't work in input fields
       if (isInInputField && !isGlobalShortcut) {

frontend-vue/src/views/MainView.vue

@@ -227,11 +227,10 @@ const setupKeyboardShortcuts = () => {
     handler: () => { showSearchDialog.value = true }
   })
   
-  // Ctrl+Shift+C - Channel selector focus
+  // Ctrl+K - Channel selector focus
   addShortcut({
-    key: 'c',
+    key: 'k',
     ctrlKey: true,
-    shiftKey: true,
     handler: () => {
       // Focus the first channel in the list
       const firstChannelButton = document.querySelector('.channel-item button') as HTMLElement
@@ -557,6 +556,15 @@ const isUnsentMessage = (messageId: string | number): boolean => {
   return typeof messageId === 'string' && messageId.startsWith('unsent_')
 }
 
+// Update document title when channel changes
+watch(() => appStore.currentChannel, (channel) => {
+  if (channel) {
+    document.title = `${channel.name} - Notebrook`
+  } else {
+    document.title = 'Notebrook'
+  }
+}, { immediate: true })
+
 // Initialize
 onMounted(async () => {
   // 1. Load saved state first (offline-first)