chore: update deps and add TypeScript null safety checks

.npm/_logs/2025-11-30T10_05_40_911Z-debug-0.log

@@ -0,0 +1,18 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.2
+2 info using node@v22.21.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/backend/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm start
+8 verbose argv "start"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-11-30T10_05_40_911Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-11-30T10_05_40_911Z-debug-0.log
+11 silly logfile done cleaning log files
+12 verbose cwd /home/notebrook/backend
+13 verbose os Linux 6.8.0-85-generic
+14 verbose node v22.21.0
+15 verbose npm  v11.6.2
+16 verbose exit 1
+17 verbose code 1

.npm/_logs/2025-11-30T10_05_42_270Z-debug-0.log

@@ -0,0 +1,19 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.2
+2 info using node@v22.21.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/backend/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm start
+8 verbose argv "start"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-11-30T10_05_42_270Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-11-30T10_05_42_270Z-debug-0.log
+11 silly logfile start cleaning logs, removing 1 files
+12 silly logfile done cleaning log files
+13 verbose cwd /home/notebrook/backend
+14 verbose os Linux 6.8.0-85-generic
+15 verbose node v22.21.0
+16 verbose npm  v11.6.2
+17 verbose exit 1
+18 verbose code 1

.npm/_logs/2025-12-02T18_08_09_047Z-debug-0.log

@@ -0,0 +1,19 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.2
+2 info using node@v25.2.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/backend/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm start
+8 verbose argv "start"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-12-02T18_08_09_047Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-12-02T18_08_09_047Z-debug-0.log
+11 silly logfile start cleaning logs, removing 2 files
+12 silly logfile done cleaning log files
+13 verbose cwd /home/notebrook/backend
+14 verbose os Linux 6.8.0-87-generic
+15 verbose node v25.2.0
+16 verbose npm  v11.6.2
+17 verbose exit 1
+18 verbose code 1

.npm/_logs/2025-12-02T18_08_09_048Z-debug-0.log

@@ -0,0 +1,13 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.2
+2 info using node@v25.2.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/frontend-vue/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm run dev --host
+8 verbose argv "run" "dev" "--" "--host"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-12-02T18_08_09_048Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-12-02T18_08_09_048Z-debug-0.log
+11 silly logfile start cleaning logs, removing 2 files
+12 silly logfile done cleaning log files

.npm/_logs/2025-12-02T18_08_11_876Z-debug-0.log

@@ -0,0 +1,19 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.2
+2 info using node@v25.2.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/backend/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm start
+8 verbose argv "start"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-12-02T18_08_11_876Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-12-02T18_08_11_876Z-debug-0.log
+11 silly logfile start cleaning logs, removing 1 files
+12 silly logfile done cleaning log files
+13 verbose cwd /home/notebrook/backend
+14 verbose os Linux 6.8.0-87-generic
+15 verbose node v25.2.0
+16 verbose npm  v11.6.2
+17 verbose exit 1
+18 verbose code 1

.npm/_logs/2025-12-02T18_08_13_400Z-debug-0.log

@@ -0,0 +1,19 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.2
+2 info using node@v25.2.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/backend/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm start
+8 verbose argv "start"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-12-02T18_08_13_400Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-12-02T18_08_13_400Z-debug-0.log
+11 silly logfile start cleaning logs, removing 1 files
+12 silly logfile done cleaning log files
+13 verbose cwd /home/notebrook/backend
+14 verbose os Linux 6.8.0-87-generic
+15 verbose node v25.2.0
+16 verbose npm  v11.6.2
+17 verbose exit 1
+18 verbose code 1

.npm/_logs/2025-12-02T18_08_14_897Z-debug-0.log

@@ -0,0 +1,19 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.2
+2 info using node@v25.2.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/backend/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm start
+8 verbose argv "start"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-12-02T18_08_14_897Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-12-02T18_08_14_897Z-debug-0.log
+11 silly logfile start cleaning logs, removing 1 files
+12 silly logfile done cleaning log files
+13 verbose cwd /home/notebrook/backend
+14 verbose os Linux 6.8.0-87-generic
+15 verbose node v25.2.0
+16 verbose npm  v11.6.2
+17 verbose exit 1
+18 verbose code 1

.npm/_logs/2025-12-02T18_08_16_430Z-debug-0.log

@@ -0,0 +1,19 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.2
+2 info using node@v25.2.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/backend/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm start
+8 verbose argv "start"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-12-02T18_08_16_430Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-12-02T18_08_16_430Z-debug-0.log
+11 silly logfile start cleaning logs, removing 1 files
+12 silly logfile done cleaning log files
+13 verbose cwd /home/notebrook/backend
+14 verbose os Linux 6.8.0-87-generic
+15 verbose node v25.2.0
+16 verbose npm  v11.6.2
+17 verbose exit 1
+18 verbose code 1

.npm/_logs/2025-12-02T18_28_20_942Z-debug-0.log

@@ -0,0 +1,13 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.4
+2 info using node@v25.2.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/backend/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm start
+8 verbose argv "start"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-12-02T18_28_20_942Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-12-02T18_28_20_942Z-debug-0.log
+11 silly logfile start cleaning logs, removing 1 files
+12 silly logfile done cleaning log files

.npm/_logs/2025-12-04T06_22_30_604Z-debug-0.log

@@ -0,0 +1,13 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.4
+2 info using node@v25.2.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/backend/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm start
+8 verbose argv "start"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-12-04T06_22_30_604Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-12-04T06_22_30_604Z-debug-0.log
+11 silly logfile start cleaning logs, removing 1 files
+12 silly logfile done cleaning log files

.npm/_logs/2025-12-07T09_24_41_497Z-debug-0.log

@@ -0,0 +1,13 @@
+0 verbose cli /usr/bin/node /usr/bin/npm
+1 info using npm@11.6.2
+2 info using node@v25.2.0
+3 silly config load:file:/usr/lib/node_modules/npm/npmrc
+4 silly config load:file:/home/notebrook/backend/.npmrc
+5 silly config load:file:/home/notebrook/.npmrc
+6 silly config load:file:/usr/etc/npmrc
+7 verbose title npm start
+8 verbose argv "start"
+9 verbose logfile logs-max:10 dir:/home/notebrook/.npm/_logs/2025-12-07T09_24_41_497Z-
+10 verbose logfile /home/notebrook/.npm/_logs/2025-12-07T09_24_41_497Z-debug-0.log
+11 silly logfile start cleaning logs, removing 1 files
+12 silly logfile done cleaning log files

backend/package.json

@@ -14,22 +14,22 @@
     "typescript": "^5.5.4"
   },
   "dependencies": {
-    "@types/better-sqlite3": "^7.6.11",
+    "@types/better-sqlite3": "^7.6.13",
-    "@types/cors": "^2.8.17",
+    "@types/cors": "^2.8.19",
-    "@types/express": "^4.17.21",
+    "@types/express": "^5.0.6",
-    "@types/jsonwebtoken": "^9.0.6",
+    "@types/jsonwebtoken": "^9.0.10",
-    "@types/multer": "^1.4.11",
+    "@types/multer": "^2.0.0",
-    "@types/ws": "^8.5.12",
+    "@types/ws": "^8.18.1",
-    "better-sqlite3": "^11.2.1",
+    "better-sqlite3": "^12.5.0",
     "cors": "^2.8.5",
-    "dotenv": "^16.4.5",
+    "dotenv": "^17.2.3",
-    "express": "^4.19.2",
+    "express": "^5.2.1",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.0.2",
-    "ollama": "^0.5.8",
+    "ollama": "^0.6.3",
-    "openai": "^4.56.0",
+    "openai": "^6.9.1",
-    "selfsigned": "^2.4.1",
+    "selfsigned": "^5.2.0",
-    "sharp": "^0.33.5",
+    "sharp": "^0.34.5",
-    "tsx": "^4.18.0",
+    "tsx": "^4.21.0",
-    "ws": "^8.18.0"
+    "ws": "^8.18.3"
   }
 }

frontend-vue/package.json

@@ -12,27 +12,27 @@
     "format": "prettier --write src/"
   },
   "dependencies": {
-    "vue": "^3.5.13",
+    "vue": "^3.5.25",
-    "vue-router": "^4.4.5",
+    "vue-router": "^4.6.3",
-    "pinia": "^2.3.0",
+    "pinia": "^3.0.4",
-    "idb-keyval": "^6.2.1",
+    "idb-keyval": "^6.2.2",
-    "@vueuse/core": "^11.3.0",
+    "@vueuse/core": "^14.1.0",
-    "@vueuse/sound": "^2.0.1"
+    "@vueuse/sound": "^2.1.3"
   },
   "devDependencies": {
-    "@types/node": "^22.10.2",
+    "@types/node": "^24.10.1",
-    "@vitejs/plugin-vue": "^5.2.1",
+    "@vitejs/plugin-vue": "^6.0.2",
-    "@vue/tsconfig": "^0.7.0",
+    "@vue/tsconfig": "^0.8.1",
-    "typescript": "^5.7.2",
+    "typescript": "^5.9.3",
-    "vite": "^6.0.5",
+    "vite": "^7.2.6",
-    "vue-tsc": "^2.1.10",
+    "vue-tsc": "^3.1.5",
-    "vite-plugin-pwa": "^0.21.2",
+    "vite-plugin-pwa": "^1.2.0",
-    "@typescript-eslint/eslint-plugin": "^8.18.2",
+    "@typescript-eslint/eslint-plugin": "^8.48.1",
-    "@typescript-eslint/parser": "^8.18.2",
+    "@typescript-eslint/parser": "^8.48.1",
-    "@vue/eslint-config-prettier": "^10.1.0",
+    "@vue/eslint-config-prettier": "^10.2.0",
-    "@vue/eslint-config-typescript": "^14.1.3",
+    "@vue/eslint-config-typescript": "^14.6.0",
-    "eslint": "^9.17.0",
+    "eslint": "^9.39.1",
-    "eslint-plugin-vue": "^9.32.0",
+    "eslint-plugin-vue": "^10.6.2",
-    "prettier": "^3.4.2"
+    "prettier": "^3.7.3"
   }
 }

frontend-vue/src/components/base/BaseDialog.vue

@@ -108,12 +108,12 @@ const trapFocus = (event: KeyboardEvent) => {
   if (event.shiftKey) {
     if (document.activeElement === firstElement) {
       event.preventDefault()
-      lastElement.focus()
+      lastElement?.focus()
     }
   } else {
     if (document.activeElement === lastElement) {
       event.preventDefault()
-      firstElement.focus()
+      firstElement?.focus()
     }
   }
 }

frontend-vue/src/components/chat/MessagesContainer.vue

@@ -241,7 +241,7 @@ onMounted(() => {
 const getFocusedMessage = (): ExtendedMessage | UnsentMessage | null => {
   const messages = allMessages.value
   if (focusedMessageIndex.value >= 0 && focusedMessageIndex.value < messages.length) {
-    return messages[focusedMessageIndex.value]
+    return messages[focusedMessageIndex.value] ?? null
   }
   return null
 }

frontend-vue/src/components/dialogs/CameraCaptureDialog.vue

@@ -207,8 +207,8 @@ const switchCamera = async () => {
   
   // Determine if this is likely a front camera
   const currentCamera = availableCameras.value[currentCameraIndex.value]
-  isFrontCamera.value = currentCamera.label.toLowerCase().includes('front') ||
+  isFrontCamera.value = currentCamera?.label.toLowerCase().includes('front') ||
-                       currentCamera.label.toLowerCase().includes('user')
+                       currentCamera?.label.toLowerCase().includes('user') || false
   
   try {
     await startCamera()

frontend-vue/src/components/dialogs/ChannelInfoDialog.vue

@@ -281,7 +281,10 @@ const performDelete = async () => {
       
       // Switch to first available channel if we were on the deleted channel
       if (appStore.currentChannelId === props.channel.id && appStore.channels.length > 0) {
-        await appStore.setCurrentChannel(appStore.channels[0].id)
+        const firstChannel = appStore.channels[0]
+        if (firstChannel) {
+          await appStore.setCurrentChannel(firstChannel.id)
+        }
       }
     } catch (error) {
       // For delete, we can't do offline fallback easily since it affects server state

frontend-vue/src/components/dialogs/FileUploadDialog.vue

@@ -142,7 +142,7 @@ const uploadFiles = async () => {
     // For single file, use the filename as message content
     // For multiple files, show count
     const messageContent = selectedFiles.value.length === 1
-      ? selectedFiles.value[0].name 
+      ? selectedFiles.value[0]?.name || 'Uploaded file'
       : `Uploaded ${selectedFiles.value.length} files`
 
     // Create a message first to attach files to
@@ -151,6 +151,10 @@ const uploadFiles = async () => {
     // Upload the first file (backend uses single file per message)
     const file = selectedFiles.value[0]
 
+    if (!file) {
+      throw new Error('No file selected')
+    }
+
     try {
       const uploadedFile = await apiService.uploadFile(appStore.currentChannelId, message.id, file)
       uploadProgress.value[0] = 100

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

@@ -161,11 +161,17 @@ const handleAlphanumericNavigation = (char: string, currentIndex: number) => {
       focusChannel(nextMatch)
     } else {
       // Wrap around to the first match
-      focusChannel(matchingIndices[0])
+      const firstMatch = matchingIndices[0]
+      if (firstMatch !== undefined) {
+        focusChannel(firstMatch)
+      }
     }
   } else {
     // New character: jump to first match
-    focusChannel(matchingIndices[0])
+    const firstMatch = matchingIndices[0]
+    if (firstMatch !== undefined) {
+      focusChannel(firstMatch)
+    }
   }
 }
 

frontend-vue/src/composables/useAudio.ts

@@ -174,14 +174,20 @@ export function useAudio() {
     console.log(`playWater called - global: ${globalWaterSounds.length}, reactive: ${waterSounds.value.length} water sounds available`)
     if (globalWaterSounds.length > 0) {
       const randomIndex = Math.floor(Math.random() * globalWaterSounds.length)
-      await playSoundBuffer(globalWaterSounds[randomIndex])
+      const buffer = globalWaterSounds[randomIndex]
+      if (buffer) {
+        await playSoundBuffer(buffer)
+      }
     } else {
       console.warn('Water sounds not loaded - trying to load them now')
       if (globalAudioContext) {
         await loadAllSounds()
         if (globalWaterSounds.length > 0) {
           const randomIndex = Math.floor(Math.random() * globalWaterSounds.length)
-          await playSoundBuffer(globalWaterSounds[randomIndex])
+          const buffer = globalWaterSounds[randomIndex]
+          if (buffer) {
+            await playSoundBuffer(buffer)
+          }
         }
       }
     }
@@ -190,7 +196,10 @@ export function useAudio() {
   const playSent = async () => {
     if (globalSentSounds.length > 0) {
       const randomIndex = Math.floor(Math.random() * globalSentSounds.length)
-      await playSoundBuffer(globalSentSounds[randomIndex])
+      const buffer = globalSentSounds[randomIndex]
+      if (buffer) {
+        await playSoundBuffer(buffer)
+      }
     } else {
       console.warn('Sent sounds not loaded')
     }
@@ -303,7 +312,7 @@ export function useAudio() {
     // Select default voice (prefer English voices)
     if (!selectedVoice.value && voices.length > 0) {
       const englishVoice = voices.find(voice => voice.lang.startsWith('en'))
-      selectedVoice.value = englishVoice || voices[0]
+      selectedVoice.value = englishVoice || voices[0] || null
     }
   }
 

frontend-vue/src/composables/useWebSocket.ts

@@ -136,8 +136,15 @@ export function useWebSocket() {
     const channels = [...appStore.channels]
     const channelIndex = channels.findIndex(c => c.id === channelId)
     if (channelIndex !== -1) {
-      channels[channelIndex] = { ...channels[channelIndex], name: data.name }
+      const existingChannel = channels[channelIndex]
-      appStore.setChannels(channels)
+      if (existingChannel) {
+        channels[channelIndex] = {
+          id: existingChannel.id,
+          name: data.name,
+          created_at: existingChannel.created_at
+        }
+        appStore.setChannels(channels)
+      }
     }
   }
 

frontend-vue/src/stores/app.ts

@@ -73,11 +73,16 @@ export const useAppStore = defineStore('app', () => {
     }
 
     const channelMessages = messages.value[message.channel_id]
+    if (!channelMessages) return
+
     const existingIndex = channelMessages.findIndex(m => m.id === message.id)
 
     if (existingIndex !== -1) {
       // Upsert: update existing to avoid duplicates from WebSocket vs sync
-      channelMessages[existingIndex] = { ...channelMessages[existingIndex], ...message }
+      const existingMessage = channelMessages[existingIndex]
+      if (existingMessage) {
+        channelMessages[existingIndex] = { ...existingMessage, ...message }
+      }
     } else {
       channelMessages.push(message)
     }
@@ -93,9 +98,14 @@ export const useAppStore = defineStore('app', () => {
   const updateMessage = (messageId: number, updates: Partial<ExtendedMessage>) => {
     for (const channelId in messages.value) {
       const channelMessages = messages.value[parseInt(channelId)]
+      if (!channelMessages) continue
+
       const messageIndex = channelMessages.findIndex(m => m.id === messageId)
       if (messageIndex !== -1) {
-        channelMessages[messageIndex] = { ...channelMessages[messageIndex], ...updates }
+        const existingMessage = channelMessages[messageIndex]
+        if (existingMessage) {
+          channelMessages[messageIndex] = { ...existingMessage, ...updates }
+        }
         break
       }
     }
@@ -108,6 +118,8 @@ export const useAppStore = defineStore('app', () => {
   const removeMessage = (messageId: number) => {
     for (const channelId in messages.value) {
       const channelMessages = messages.value[parseInt(channelId)]
+      if (!channelMessages) continue
+
       const messageIndex = channelMessages.findIndex(m => m.id === messageId)
       if (messageIndex !== -1) {
         channelMessages.splice(messageIndex, 1)
@@ -127,6 +139,11 @@ export const useAppStore = defineStore('app', () => {
     }
     
     const message = sourceMessages[messageIndex]
+    if (!message) {
+      console.warn(`Message ${messageId} not found at index ${messageIndex}`)
+      return
+    }
+
     sourceMessages.splice(messageIndex, 1)
 
     // Update message's channel_id and add to target channel
@@ -137,6 +154,8 @@ export const useAppStore = defineStore('app', () => {
     }
 
     const targetMessages = messages.value[targetChannelId]
+    if (!targetMessages) return
+
     targetMessages.push(updatedMessage)
     
     // Keep chronological order in target channel

frontend-vue/src/views/MainView.vue

@@ -443,6 +443,11 @@ const announceLastMessage = (position: number) => {
   }
   
   const message = messages[messageIndex]
+  if (!message) {
+    toastStore.info('No message is available in this position')
+    return
+  }
+
   const timeStr = formatTimestampForScreenReader(message.created_at)
   const announcement = `${message.content}; sent ${timeStr}`
 
@@ -608,7 +613,10 @@ onMounted(async () => {
   
   // 5. Auto-select first channel if none selected and we have channels
   if (!appStore.currentChannelId && appStore.channels.length > 0) {
-    await selectChannel(appStore.channels[0].id)
+    const firstChannel = appStore.channels[0]
+    if (firstChannel) {
+      await selectChannel(firstChannel.id)
+    }
   }
   
   // 6. Auto-focus message input on page load