Merge pull request #6134 from menloresearch/feat/attachment-ui

feat: attachment UI

extensions/llamacpp-extension/package.json

@@ -31,6 +31,7 @@
     "@janhq/tauri-plugin-hardware-api": "link:../../src-tauri/plugins/tauri-plugin-hardware",
     "@janhq/tauri-plugin-llamacpp-api": "link:../../src-tauri/plugins/tauri-plugin-llamacpp",
     "@tauri-apps/api": "^2.5.0",
+    "@tauri-apps/plugin-http": "^2.5.1",
     "@tauri-apps/plugin-log": "^2.6.0",
     "fetch-retry": "^5.0.6",
     "ulidx": "^2.3.0"

extensions/llamacpp-extension/rolldown.config.mjs

@@ -17,4 +17,7 @@ export default defineConfig({
     IS_MAC: JSON.stringify(process.platform === 'darwin'),
     IS_LINUX: JSON.stringify(process.platform === 'linux'),
   },
+  inject: {
+      fetch: ['@tauri-apps/plugin-http', 'fetch'],
+  },
 })

extensions/llamacpp-extension/src/index.ts

@@ -41,6 +41,7 @@ type LlamacppConfig = {
   auto_unload: boolean
   chat_template: string
   n_gpu_layers: number
+  offload_mmproj: boolean
   override_tensor_buffer_t: string
   ctx_size: number
   threads: number
@@ -1222,6 +1223,10 @@ export default class llamacpp_extension extends AIEngine {
     // Takes a regex with matching tensor name as input
     if (cfg.override_tensor_buffer_t)
       args.push('--override-tensor', cfg.override_tensor_buffer_t)
+    // offload multimodal projector model to the GPU by default. if there is not enough memory
+    // turn this setting off will keep the projector model on the CPU but the image processing can
+    // take longer
+    if (cfg.offload_mmproj === false) args.push('--no-mmproj-offload')
     args.push('-a', modelId)
     args.push('--port', String(port))
     if (modelConfig.mmproj_path) {
@@ -1383,7 +1388,8 @@ export default class llamacpp_extension extends AIEngine {
       method: 'POST',
       headers,
       body,
-      signal: abortController?.signal,
+      connectTimeout: 600000, // 10 minutes
+      signal: AbortSignal.any([AbortSignal.timeout(600000), abortController?.signal]),
     })
     if (!response.ok) {
       const errorData = await response.json().catch(() => null)
@@ -1542,6 +1548,26 @@ export default class llamacpp_extension extends AIEngine {
     }
   }
 
+  /**
+   * Check if mmproj.gguf file exists for a given model ID
+   * @param modelId - The model ID to check for mmproj.gguf
+   * @returns Promise<boolean> - true if mmproj.gguf exists, false otherwise
+   */
+  async checkMmprojExists(modelId: string): Promise<boolean> {
+    try {
+      const mmprojPath = await joinPath([
+        await this.getProviderPath(),
+        'models',
+        modelId,
+        'mmproj.gguf',
+      ])
+      return await fs.existsSync(mmprojPath)
+    } catch (e) {
+      logger.error(`Error checking mmproj.gguf for model ${modelId}:`, e)
+      return false
+    }
+  }
+
   async getDevices(): Promise<DeviceList[]> {
     const cfg = this.config
     const [version, backend] = cfg.version_backend.split('/')
@@ -1644,4 +1670,18 @@ export default class llamacpp_extension extends AIEngine {
       'tokenizer.chat_template'
     ]?.includes('tools')
   }
+
+  private async loadMetadata(path: string): Promise<GgufMetadata> {
+    try {
+      const data = await invoke<GgufMetadata>(
+        'plugin:llamacpp|read_gguf_metadata',
+        {
+          path: path,
+        }
+      )
+      return data
+    } catch (err) {
+      throw err
+    }
+  }
 }

src-tauri/plugins/tauri-plugin-llamacpp/src/commands.rs

@@ -12,7 +12,7 @@ use tokio::time::Instant;
 
 use crate::device::{get_devices_from_backend, DeviceInfo};
 use crate::error::{ErrorCode, LlamacppError, ServerError, ServerResult};
-use crate::path::{validate_binary_path, validate_model_path};
+use crate::path::{validate_binary_path, validate_model_path, validate_mmproj_path};
 use crate::process::{
     find_session_by_model_id, get_all_active_sessions, get_all_loaded_model_ids,
     get_random_available_port, is_process_running_by_pid,
@@ -55,6 +55,7 @@ pub async fn load_llama_model<R: Runtime>(
 
     let port = parse_port_from_args(&args);
     let model_path_pb = validate_model_path(&mut args)?;
+    let _mmproj_path_pb = validate_mmproj_path(&mut args)?;
 
     let api_key: String;
 

src-tauri/plugins/tauri-plugin-llamacpp/src/path.rs

@@ -98,3 +98,50 @@ pub fn validate_model_path(args: &mut Vec<String>) -> ServerResult<PathBuf> {
 
     Ok(model_path_pb)
 }
+
+/// Validate mmproj path exists and update args with platform-appropriate path format
+pub fn validate_mmproj_path(args: &mut Vec<String>) -> ServerResult<Option<PathBuf>> {
+   let mmproj_path_index = match args.iter().position(|arg| arg == "--mmproj") {
+       Some(index) => index,
+       None => return Ok(None), // mmproj is optional
+   };
+
+   let mmproj_path = args.get(mmproj_path_index + 1).cloned().ok_or_else(|| {
+       LlamacppError::new(
+           ErrorCode::ModelLoadFailed,
+           "Mmproj path was not provided after '--mmproj' flag.".into(),
+           None,
+       )
+   })?;
+
+   let mmproj_path_pb = PathBuf::from(&mmproj_path);
+   if !mmproj_path_pb.exists() {
+       let err_msg = format!(
+           "Invalid or inaccessible mmproj path: {}",
+           mmproj_path_pb.display()
+       );
+       log::error!("{}", &err_msg);
+       return Err(LlamacppError::new(
+           ErrorCode::ModelFileNotFound,
+           "The specified mmproj file does not exist or is not accessible.".into(),
+           Some(err_msg),
+       )
+       .into());
+   }
+
+   #[cfg(windows)]
+   {
+       // use short path on Windows
+       if let Some(short) = get_short_path(&mmproj_path_pb) {
+           args[mmproj_path_index + 1] = short;
+       } else {
+           args[mmproj_path_index + 1] = mmproj_path_pb.display().to_string();
+       }
+   }
+   #[cfg(not(windows))]
+   {
+       args[mmproj_path_index + 1] = mmproj_path_pb.display().to_string();
+   }
+
+   Ok(Some(mmproj_path_pb))
+}

src-tauri/tauri.conf.json

@@ -35,7 +35,8 @@
           "effects": ["fullScreenUI", "mica", "tabbed", "blur", "acrylic"],
           "state": "active",
           "radius": 8
-        }
+        },
+        "dragDropEnabled": false
       }
     ],
     "security": {

web-app/src/containers/ChatInput.tsx

@@ -1,7 +1,7 @@
 'use client'
 
 import TextareaAutosize from 'react-textarea-autosize'
-import { cn, toGigabytes } from '@/lib/utils'
+import { cn } from '@/lib/utils'
 import { usePrompt } from '@/hooks/usePrompt'
 import { useThreads } from '@/hooks/useThreads'
 import { useCallback, useEffect, useRef, useState } from 'react'
@@ -14,7 +14,7 @@ import {
 } from '@/components/ui/tooltip'
 import { ArrowRight } from 'lucide-react'
 import {
-  IconPaperclip,
+  IconPhoto,
   IconWorld,
   IconAtom,
   IconEye,
@@ -34,6 +34,7 @@ import DropdownModelProvider from '@/containers/DropdownModelProvider'
 import { ModelLoader } from '@/containers/loaders/ModelLoader'
 import DropdownToolsAvailable from '@/containers/DropdownToolsAvailable'
 import { getConnectedServers } from '@/services/mcp'
+import { checkMmprojExists } from '@/services/models'
 
 type ChatInputProps = {
   className?: string
@@ -60,7 +61,7 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
 
   const maxRows = 10
 
-  const { selectedModel } = useModelProvider()
+  const { selectedModel, selectedProvider } = useModelProvider()
   const { sendMessage } = useChat()
   const [message, setMessage] = useState('')
   const [dropdownToolsAvailable, setDropdownToolsAvailable] = useState(false)
@@ -75,6 +76,8 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
     }>
   >([])
   const [connectedServers, setConnectedServers] = useState<string[]>([])
+  const [isDragOver, setIsDragOver] = useState(false)
+  const [hasMmproj, setHasMmproj] = useState(false)
 
   // Check for connected MCP servers
   useEffect(() => {
@@ -96,6 +99,29 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
     return () => clearInterval(intervalId)
   }, [])
 
+  // Check for mmproj existence or vision capability when model changes
+  useEffect(() => {
+    const checkMmprojSupport = async () => {
+      if (selectedModel?.id) {
+        try {
+          // Only check mmproj for llamacpp provider
+          if (selectedProvider === 'llamacpp') {
+            const hasLocalMmproj = await checkMmprojExists(selectedModel.id)
+            setHasMmproj(hasLocalMmproj)
+          } else {
+            // For non-llamacpp providers, only check vision capability
+            setHasMmproj(true)
+          }
+        } catch (error) {
+          console.error('Error checking mmproj:', error)
+          setHasMmproj(false)
+        }
+      }
+    }
+
+    checkMmprojSupport()
+  }, [selectedModel?.id, selectedProvider])
+
   // Check if there are active MCP servers
   const hasActiveMCPServers = connectedServers.length > 0 || tools.length > 0
 
@@ -104,11 +130,16 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
       setMessage('Please select a model to start chatting.')
       return
     }
-    if (!prompt.trim()) {
+    if (!prompt.trim() && uploadedFiles.length === 0) {
       return
     }
     setMessage('')
-    sendMessage(prompt)
+    sendMessage(
+      prompt,
+      true,
+      uploadedFiles.length > 0 ? uploadedFiles : undefined
+    )
+    setUploadedFiles([])
   }
 
   useEffect(() => {
@@ -191,8 +222,6 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
         return 'image/jpeg'
       case 'png':
         return 'image/png'
-      case 'pdf':
-        return 'application/pdf'
       default:
         return ''
     }
@@ -226,17 +255,12 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
         const detectedType = file.type || getFileTypeFromExtension(file.name)
         const actualType = getFileTypeFromExtension(file.name) || detectedType
 
-        // Check file type
+        // Check file type - images only
-        const allowedTypes = [
+        const allowedTypes = ['image/jpg', 'image/jpeg', 'image/png']
-          'image/jpg',
-          'image/jpeg',
-          'image/png',
-          'application/pdf',
-        ]
 
         if (!allowedTypes.includes(actualType)) {
           setMessage(
-            `File is not supported. Only JPEG, JPG, PNG, and PDF files are allowed.`
+            `File attachments not supported currently. Only JPEG, JPG, and PNG files are allowed.`
           )
           // Reset file input to allow re-uploading
           if (fileInputRef.current) {
@@ -287,6 +311,104 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
     }
   }
 
+  const handleDragEnter = (e: React.DragEvent) => {
+    e.preventDefault()
+    e.stopPropagation()
+    // Only allow drag if model supports mmproj
+    if (hasMmproj) {
+      setIsDragOver(true)
+    }
+  }
+
+  const handleDragLeave = (e: React.DragEvent) => {
+    e.preventDefault()
+    e.stopPropagation()
+    // Only set dragOver to false if we're leaving the drop zone entirely
+    // In Tauri, relatedTarget can be null, so we need to handle that case
+    const relatedTarget = e.relatedTarget as Node | null
+    if (!relatedTarget || !e.currentTarget.contains(relatedTarget)) {
+      setIsDragOver(false)
+    }
+  }
+
+  const handleDragOver = (e: React.DragEvent) => {
+    e.preventDefault()
+    e.stopPropagation()
+    // Ensure drag state is maintained during drag over
+    if (hasMmproj) {
+      setIsDragOver(true)
+    }
+  }
+
+  const handleDrop = (e: React.DragEvent) => {
+    e.preventDefault()
+    e.stopPropagation()
+    setIsDragOver(false)
+
+    // Only allow drop if model supports mmproj
+    if (!hasMmproj) {
+      return
+    }
+
+    // Check if dataTransfer exists (it might not in some Tauri scenarios)
+    if (!e.dataTransfer) {
+      console.warn('No dataTransfer available in drop event')
+      return
+    }
+
+    const files = e.dataTransfer.files
+    if (files && files.length > 0) {
+      // Create a synthetic event to reuse existing file handling logic
+      const syntheticEvent = {
+        target: {
+          files: files,
+        },
+      } as React.ChangeEvent<HTMLInputElement>
+
+      handleFileChange(syntheticEvent)
+    }
+  }
+
+  const handlePaste = (e: React.ClipboardEvent) => {
+    const clipboardItems = e.clipboardData?.items
+    if (!clipboardItems) return
+
+    // Only allow paste if model supports mmproj
+    if (!hasMmproj) {
+      return
+    }
+
+    const imageItems = Array.from(clipboardItems).filter((item) =>
+      item.type.startsWith('image/')
+    )
+
+    if (imageItems.length > 0) {
+      e.preventDefault()
+
+      const files: File[] = []
+      let processedCount = 0
+
+      imageItems.forEach((item) => {
+        const file = item.getAsFile()
+        if (file) {
+          files.push(file)
+        }
+        processedCount++
+
+        // When all items are processed, handle the valid files
+        if (processedCount === imageItems.length && files.length > 0) {
+          const syntheticEvent = {
+            target: {
+              files: files,
+            },
+          } as unknown as React.ChangeEvent<HTMLInputElement>
+
+          handleFileChange(syntheticEvent)
+        }
+      })
+    }
+  }
+
   return (
     <div className="relative">
       <div className="relative">
@@ -311,8 +433,14 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
           <div
             className={cn(
               'relative z-20 px-0 pb-10 border border-main-view-fg/5 rounded-lg text-main-view-fg bg-main-view',
-              isFocused && 'ring-1 ring-main-view-fg/10'
+              isFocused && 'ring-1 ring-main-view-fg/10',
+              isDragOver && 'ring-2 ring-accent border-accent'
             )}
+            data-drop-zone={hasMmproj ? 'true' : undefined}
+            onDragEnter={hasMmproj ? handleDragEnter : undefined}
+            onDragLeave={hasMmproj ? handleDragLeave : undefined}
+            onDragOver={hasMmproj ? handleDragOver : undefined}
+            onDrop={hasMmproj ? handleDrop : undefined}
           >
             {uploadedFiles.length > 0 && (
               <div className="flex gap-3 items-center p-2 pb-0">
@@ -332,25 +460,6 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
                           alt={`${file.name} - ${index}`}
                         />
                       )}
-                      {file.type === 'application/pdf' && (
-                        <div className="bg-main-view-fg/4 h-full rounded-lg p-2 max-w-[400px] pr-4">
-                          <div className="flex gap-2 items-center justify-center h-full">
-                            <div className="size-10 rounded-md bg-main-view shrink-0 flex items-center justify-center">
-                              <span className="uppercase font-bold">
-                                {file.name.split('.').pop()}
-                              </span>
-                            </div>
-                            <div className="truncate">
-                              <h6 className="truncate mb-0.5 text-main-view-fg/80">
-                                {file.name}
-                              </h6>
-                              <p className="text-xs text-main-view-fg/70">
-                                {toGigabytes(file.size)}
-                              </p>
-                            </div>
-                          </div>
-                        </div>
-                      )}
                       <div
                         className="absolute -top-1 -right-2.5 bg-destructive size-5 flex rounded-full items-center justify-center cursor-pointer"
                         onClick={() => handleRemoveFile(index)}
@@ -369,7 +478,7 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
               rows={1}
               maxRows={10}
               value={prompt}
-              data-test-id={'chat-input'}
+              data-testid={'chat-input'}
               onChange={(e) => {
                 setPrompt(e.target.value)
                 // Count the number of newlines to estimate rows
@@ -378,14 +487,21 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
               }}
               onKeyDown={(e) => {
                 // e.keyCode 229 is for IME input with Safari
-                const isComposing = e.nativeEvent.isComposing || e.keyCode === 229;
+                const isComposing =
-                if (e.key === 'Enter' && !e.shiftKey && prompt.trim() && !isComposing) {
+                  e.nativeEvent.isComposing || e.keyCode === 229
+                if (
+                  e.key === 'Enter' &&
+                  !e.shiftKey &&
+                  prompt.trim() &&
+                  !isComposing
+                ) {
                   e.preventDefault()
                   // Submit the message when Enter is pressed without Shift
                   handleSendMesage(prompt)
                   // When Shift+Enter is pressed, a new line is added (default behavior)
                 }
               }}
+              onPaste={hasMmproj ? handlePaste : undefined}
               placeholder={t('common:placeholder.chatInput')}
               autoFocus
               spellCheck={spellCheckChatInput}
@@ -406,7 +522,7 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
             <div className="px-1 flex items-center gap-1">
               <div
                 className={cn(
-                  'px-1 flex items-center gap-1',
+                  'px-1 flex items-center',
                   streamingContent && 'opacity-50 pointer-events-none'
                 )}
               >
@@ -418,19 +534,22 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
                     useLastUsedModel={initialMessage}
                   />
                 )}
-                {/* File attachment - always available */}
+                {/* File attachment - show only for models with mmproj */}
-                <div
+                {hasMmproj && (
-                  className="h-6 hidden p-1 items-center justify-center rounded-sm hover:bg-main-view-fg/10 transition-all duration-200 ease-in-out gap-1"
+                  <div
-                  onClick={handleAttachmentClick}
+                    className="h-6 p-1 ml-1 flex items-center justify-center rounded-sm hover:bg-main-view-fg/10 transition-all duration-200 ease-in-out gap-1"
-                >
+                    onClick={handleAttachmentClick}
-                  <IconPaperclip size={18} className="text-main-view-fg/50" />
+                  >
-                  <input
+                    <IconPhoto size={18} className="text-main-view-fg/50" />
-                    type="file"
+                    <input
-                    ref={fileInputRef}
+                      type="file"
-                    className="hidden"
+                      ref={fileInputRef}
-                    onChange={handleFileChange}
+                      className="hidden"
-                  />
+                      multiple
-                </div>
+                      onChange={handleFileChange}
+                    />
+                  </div>
+                )}
                 {/* Microphone - always available - Temp Hide */}
                 {/* <div className="h-6 p-1 flex items-center justify-center rounded-sm hover:bg-main-view-fg/10 transition-all duration-200 ease-in-out gap-1">
                 <IconMicrophone size={18} className="text-main-view-fg/50" />
@@ -574,9 +693,13 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
               </Button>
             ) : (
               <Button
-                variant={!prompt.trim() ? null : 'default'}
+                variant={
+                  !prompt.trim() && uploadedFiles.length === 0
+                    ? null
+                    : 'default'
+                }
                 size="icon"
-                disabled={!prompt.trim()}
+                disabled={!prompt.trim() && uploadedFiles.length === 0}
                 data-test-id="send-message-button"
                 onClick={() => handleSendMesage(prompt)}
               >
@@ -590,6 +713,7 @@ const ChatInput = ({ model, className, initialMessage }: ChatInputProps) => {
           </div>
         </div>
       </div>
+
       {message && (
         <div className="bg-main-view-fg/2 -mt-0.5 mx-2 pb-2 px-3 pt-1.5 rounded-b-lg text-xs text-destructive transition-all duration-200 ease-in-out">
           <div className="flex items-center gap-1 justify-between">

web-app/src/containers/DropdownModelProvider.tsx

@@ -19,6 +19,7 @@ import { localStorageKey } from '@/constants/localStorage'
 import { useTranslation } from '@/i18n/react-i18next-compat'
 import { useFavoriteModel } from '@/hooks/useFavoriteModel'
 import { predefinedProviders } from '@/consts/providers'
+import { checkMmprojExistsAndUpdateOffloadMMprojSetting } from '@/services/models'
 
 type DropdownModelProviderProps = {
   model?: ThreadModel
@@ -66,6 +67,7 @@ const DropdownModelProvider = ({
     getModelBy,
     selectedProvider,
     selectedModel,
+    updateProvider,
   } = useModelProvider()
   const [displayModel, setDisplayModel] = useState<string>('')
   const { updateCurrentThreadModel } = useThreads()
@@ -79,31 +81,52 @@ const DropdownModelProvider = ({
   const searchInputRef = useRef<HTMLInputElement>(null)
 
   // Helper function to check if a model exists in providers
-  const checkModelExists = useCallback((providerName: string, modelId: string) => {
+  const checkModelExists = useCallback(
-    const provider = providers.find(
+    (providerName: string, modelId: string) => {
-      (p) => p.provider === providerName && p.active
+      const provider = providers.find(
-    )
+        (p) => p.provider === providerName && p.active
-    return provider?.models.find((m) => m.id === modelId)
+      )
-  }, [providers])
+      return provider?.models.find((m) => m.id === modelId)
+    },
+    [providers]
+  )
 
   // Initialize model provider only once
   useEffect(() => {
-    // Auto select model when existing thread is passed
+    const initializeModel = async () => {
-    if (model) {
+      // Auto select model when existing thread is passed
-      selectModelProvider(model?.provider as string, model?.id as string)
+      if (model) {
-      if (!checkModelExists(model.provider, model.id)) {
+        selectModelProvider(model?.provider as string, model?.id as string)
-        selectModelProvider('', '')
+        if (!checkModelExists(model.provider, model.id)) {
-      }
+          selectModelProvider('', '')
-    } else if (useLastUsedModel) {
+        }
-      // Try to use last used model only when explicitly requested (for new chat)
+        // Check mmproj existence for llamacpp models
-      const lastUsed = getLastUsedModel()
+        if (model?.provider === 'llamacpp') {
-      if (lastUsed && checkModelExists(lastUsed.provider, lastUsed.model)) {
+          await checkMmprojExistsAndUpdateOffloadMMprojSetting(
-        selectModelProvider(lastUsed.provider, lastUsed.model)
+            model.id as string,
-      } else {
+            updateProvider,
-        // Fallback to default model if last used model no longer exists
+            getProviderByName
-        selectModelProvider('', '')
+          )
+        }
+      } else if (useLastUsedModel) {
+        // Try to use last used model only when explicitly requested (for new chat)
+        const lastUsed = getLastUsedModel()
+        if (lastUsed && checkModelExists(lastUsed.provider, lastUsed.model)) {
+          selectModelProvider(lastUsed.provider, lastUsed.model)
+          if (lastUsed.provider === 'llamacpp') {
+            await checkMmprojExistsAndUpdateOffloadMMprojSetting(
+              lastUsed.model,
+              updateProvider,
+              getProviderByName
+            )
+          }
+        } else {
+          selectModelProvider('', '')
+        }
       }
     }
+
+    initializeModel()
   }, [
     model,
     selectModelProvider,
@@ -111,6 +134,8 @@ const DropdownModelProvider = ({
     providers,
     useLastUsedModel,
     checkModelExists,
+    updateProvider,
+    getProviderByName,
   ])
 
   // Update display model when selection changes
@@ -245,7 +270,7 @@ const DropdownModelProvider = ({
   }, [filteredItems, providers, searchValue, favoriteModels])
 
   const handleSelect = useCallback(
-    (searchableModel: SearchableModel) => {
+    async (searchableModel: SearchableModel) => {
       selectModelProvider(
         searchableModel.provider.provider,
         searchableModel.model.id
@@ -254,6 +279,16 @@ const DropdownModelProvider = ({
         id: searchableModel.model.id,
         provider: searchableModel.provider.provider,
       })
+
+      // Check mmproj existence for llamacpp models
+      if (searchableModel.provider.provider === 'llamacpp') {
+        await checkMmprojExistsAndUpdateOffloadMMprojSetting(
+          searchableModel.model.id,
+          updateProvider,
+          getProviderByName
+        )
+      }
+
       // Store the selected model as last used
       if (useLastUsedModel) {
         setLastUsedModel(
@@ -264,7 +299,13 @@ const DropdownModelProvider = ({
       setSearchValue('')
       setOpen(false)
     },
-    [selectModelProvider, updateCurrentThreadModel, useLastUsedModel]
+    [
+      selectModelProvider,
+      updateCurrentThreadModel,
+      useLastUsedModel,
+      updateProvider,
+      getProviderByName,
+    ]
   )
 
   const currentModel = selectedModel?.id

web-app/src/containers/ModelSetting.tsx

@@ -70,8 +70,8 @@ export function ModelSetting({
         models: updatedModels,
       })
 
-      // Call debounced stopModel only when updating ctx_len or ngl
+      // Call debounced stopModel only when updating ctx_len, ngl, chat_template, or offload_mmproj
-      if (key === 'ctx_len' || key === 'ngl' || key === 'chat_template') {
+      if (key === 'ctx_len' || key === 'ngl' || key === 'chat_template' || key === 'offload_mmproj') {
         debouncedStopModel(model.id)
       }
     }

web-app/src/containers/ThreadContent.tsx

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
 import { ThreadMessage } from '@janhq/core'
 import { RenderMarkdown } from './RenderMarkdown'
 import React, { Fragment, memo, useCallback, useMemo, useState } from 'react'
@@ -144,7 +145,7 @@ export const ThreadContent = memo(
       isLastMessage?: boolean
       index?: number
       showAssistant?: boolean
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+
       streamTools?: any
       contextOverflowModal?: React.ReactNode | null
       updateMessage?: (item: ThreadMessage, message: string) => void
@@ -172,9 +173,12 @@ export const ThreadContent = memo(
     const { reasoningSegment, textSegment } = useMemo(() => {
       // Check for thinking formats
       const hasThinkTag = text.includes('<think>') && !text.includes('</think>')
-      const hasAnalysisChannel = text.includes('<|channel|>analysis<|message|>') && !text.includes('<|start|>assistant<|channel|>final<|message|>')
+      const hasAnalysisChannel =
+        text.includes('<|channel|>analysis<|message|>') &&
+        !text.includes('<|start|>assistant<|channel|>final<|message|>')
 
-      if (hasThinkTag || hasAnalysisChannel) return { reasoningSegment: text, textSegment: '' }
+      if (hasThinkTag || hasAnalysisChannel)
+        return { reasoningSegment: text, textSegment: '' }
 
       // Check for completed think tag format
       const thinkMatch = text.match(/<think>([\s\S]*?)<\/think>/)
@@ -187,7 +191,9 @@ export const ThreadContent = memo(
       }
 
       // Check for completed analysis channel format
-      const analysisMatch = text.match(/<\|channel\|>analysis<\|message\|>([\s\S]*?)<\|start\|>assistant<\|channel\|>final<\|message\|>/)
+      const analysisMatch = text.match(
+        /<\|channel\|>analysis<\|message\|>([\s\S]*?)<\|start\|>assistant<\|channel\|>final<\|message\|>/
+      )
       if (analysisMatch?.index !== undefined) {
         const splitIndex = analysisMatch.index + analysisMatch[0].length
         return {
@@ -213,7 +219,36 @@ export const ThreadContent = memo(
       }
       if (toSendMessage) {
         deleteMessage(toSendMessage.thread_id, toSendMessage.id ?? '')
-        sendMessage(toSendMessage.content?.[0]?.text?.value || '')
+        // Extract text content and any attachments
+        const textContent =
+          toSendMessage.content?.find((c) => c.type === 'text')?.text?.value ||
+          ''
+        const attachments = toSendMessage.content
+          ?.filter((c) => (c.type === 'image_url' && c.image_url?.url) || false)
+          .map((c) => {
+            if (c.type === 'image_url' && c.image_url?.url) {
+              const url = c.image_url.url
+              const [mimeType, base64] = url
+                .replace('data:', '')
+                .split(';base64,')
+              return {
+                name: 'image', // We don't have the original filename
+                type: mimeType,
+                size: 0, // We don't have the original size
+                base64: base64,
+                dataUrl: url,
+              }
+            }
+            return null
+          })
+          .filter(Boolean) as Array<{
+          name: string
+          type: string
+          size: number
+          base64: string
+          dataUrl: string
+        }>
+        sendMessage(textContent, true, attachments)
       }
     }, [deleteMessage, getMessages, item, sendMessage])
 
@@ -255,22 +290,68 @@ export const ThreadContent = memo(
 
     return (
       <Fragment>
-        {item.content?.[0]?.text && item.role === 'user' && (
+        {item.role === 'user' && (
           <div className="w-full">
-            <div className="flex justify-end w-full h-full text-start break-words whitespace-normal">
+            {/* Render attachments above the message bubble */}
-              <div className="bg-main-view-fg/4 relative text-main-view-fg p-2 rounded-md inline-block max-w-[80%] ">
+            {item.content?.some(
-                <div className="select-text">
+              (c) => (c.type === 'image_url' && c.image_url?.url) || false
-                  <RenderMarkdown
+            ) && (
-                    content={item.content?.[0].text.value}
+              <div className="flex justify-end w-full mb-2">
-                    components={linkComponents}
+                <div className="flex flex-wrap gap-2 max-w-[80%] justify-end">
-                    isUser
+                  {item.content
-                  />
+                    ?.filter(
+                      (c) =>
+                        (c.type === 'image_url' && c.image_url?.url) || false
+                    )
+                    .map((contentPart, index) => {
+                      // Handle images
+                      if (
+                        contentPart.type === 'image_url' &&
+                        contentPart.image_url?.url
+                      ) {
+                        return (
+                          <div key={index} className="relative">
+                            <img
+                              src={contentPart.image_url.url}
+                              alt="Uploaded attachment"
+                              className="size-40 rounded-md object-cover border border-main-view-fg/10"
+                            />
+                          </div>
+                        )
+                      }
+                      return null
+                    })}
                 </div>
               </div>
-            </div>
+            )}
+
+            {/* Render text content in the message bubble */}
+            {item.content?.some((c) => c.type === 'text' && c.text?.value) && (
+              <div className="flex justify-end w-full h-full text-start break-words whitespace-normal">
+                <div className="bg-main-view-fg/4 relative text-main-view-fg p-2 rounded-md inline-block max-w-[80%] ">
+                  <div className="select-text">
+                    {item.content
+                      ?.filter((c) => c.type === 'text' && c.text?.value)
+                      .map((contentPart, index) => (
+                        <div key={index}>
+                          <RenderMarkdown
+                            content={contentPart.text!.value}
+                            components={linkComponents}
+                            isUser
+                          />
+                        </div>
+                      ))}
+                  </div>
+                </div>
+              </div>
+            )}
+
             <div className="flex items-center justify-end gap-2 text-main-view-fg/60 text-xs mt-2">
               <EditDialog
-                message={item.content?.[0]?.text.value}
+                message={
+                  item.content?.find((c) => c.type === 'text')?.text?.value ||
+                  ''
+                }
                 setMessage={(message) => {
                   if (item.updateMessage) {
                     item.updateMessage(item, message)

web-app/src/containers/__tests__/ChatInput.test.tsx

@@ -73,6 +73,11 @@ vi.mock('@/services/mcp', () => ({
 
 vi.mock('@/services/models', () => ({
   stopAllModels: vi.fn(),
+  checkMmprojExists: vi.fn(() => Promise.resolve(true)),
+}))
+
+vi.mock('../MovingBorder', () => ({
+  MovingBorder: ({ children }: { children: React.ReactNode }) => <div data-testid="moving-border">{children}</div>,
 }))
 
 describe('ChatInput', () => {
@@ -231,7 +236,7 @@ describe('ChatInput', () => {
     const sendButton = document.querySelector('[data-test-id="send-message-button"]')
     await user.click(sendButton)
     
-    expect(mockSendMessage).toHaveBeenCalledWith('Hello world')
+    expect(mockSendMessage).toHaveBeenCalledWith('Hello world', true, undefined)
   })
 
   it('sends message when Enter key is pressed', async () => {
@@ -248,7 +253,7 @@ describe('ChatInput', () => {
     const textarea = screen.getByRole('textbox')
     await user.type(textarea, '{Enter}')
     
-    expect(mockSendMessage).toHaveBeenCalledWith('Hello world')
+    expect(mockSendMessage).toHaveBeenCalledWith('Hello world', true, undefined)
   })
 
   it('does not send message when Shift+Enter is pressed', async () => {
@@ -343,9 +348,12 @@ describe('ChatInput', () => {
     const user = userEvent.setup()
     renderWithRouter()
     
-    // File upload is rendered as hidden input element
+    // Wait for async effects to complete (mmproj check)
-    const fileInput = document.querySelector('input[type="file"]')
+    await waitFor(() => {
-    expect(fileInput).toBeInTheDocument()
+      // File upload is rendered as hidden input element
+      const fileInput = document.querySelector('input[type="file"]')
+      expect(fileInput).toBeInTheDocument()
+    })
   })
 
   it('disables input when streaming', () => {
@@ -361,7 +369,7 @@ describe('ChatInput', () => {
       renderWithRouter()
     })
     
-    const textarea = screen.getByRole('textbox')
+    const textarea = screen.getByTestId('chat-input')
     expect(textarea).toBeDisabled()
   })
 
@@ -378,4 +386,28 @@ describe('ChatInput', () => {
       expect(toolsIcon).toBeInTheDocument()
     })
   })
+
+  it('uses selectedProvider for provider checks', () => {
+    // Test that the component correctly uses selectedProvider instead of selectedModel.provider
+    vi.mocked(useModelProvider).mockReturnValue({
+      selectedModel: {
+        id: 'test-model',
+        capabilities: ['vision'],
+      },
+      providers: [],
+      getModelBy: vi.fn(),
+      selectModelProvider: vi.fn(),
+      selectedProvider: 'llamacpp',
+      setProviders: vi.fn(),
+      getProviderByName: vi.fn(),
+      updateProvider: vi.fn(),
+      addProvider: vi.fn(),
+      deleteProvider: vi.fn(),
+      deleteModel: vi.fn(),
+      deletedModels: [],
+    })
+    
+    // This test ensures the component renders without errors when using selectedProvider
+    expect(() => renderWithRouter()).not.toThrow()
+  })
 })

web-app/src/hooks/useChat.ts

@@ -203,7 +203,17 @@ export const useChat = () => {
   )
 
   const sendMessage = useCallback(
-    async (message: string, troubleshooting = true) => {
+    async (
+      message: string,
+      troubleshooting = true,
+      attachments?: Array<{
+        name: string
+        type: string
+        size: number
+        base64: string
+        dataUrl: string
+      }>
+    ) => {
       const activeThread = await getCurrentThread()
 
       resetTokenSpeed()
@@ -217,7 +227,7 @@ export const useChat = () => {
       updateStreamingContent(emptyThreadContent)
       // Do not add new message on retry
       if (troubleshooting)
-        addMessage(newUserThreadContent(activeThread.id, message))
+        addMessage(newUserThreadContent(activeThread.id, message, attachments))
       updateThreadTimestamp(activeThread.id)
       setPrompt('')
       try {
@@ -231,7 +241,7 @@ export const useChat = () => {
           messages,
           currentAssistant?.instructions
         )
-        if (troubleshooting) builder.addUserMessage(message)
+        if (troubleshooting) builder.addUserMessage(message, attachments)
 
         let isCompleted = false
 

web-app/src/lib/completion.ts

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
 import {
   ContentType,
   ChatCompletionRole,
@@ -51,11 +52,16 @@ export type ChatCompletionResponse =
  */
 export const newUserThreadContent = (
   threadId: string,
-  content: string
+  content: string,
-): ThreadMessage => ({
+  attachments?: Array<{
-  type: 'text',
+    name: string
-  role: ChatCompletionRole.User,
+    type: string
-  content: [
+    size: number
+    base64: string
+    dataUrl: string
+  }>
+): ThreadMessage => {
+  const contentParts = [
     {
       type: ContentType.Text,
       text: {
@@ -63,14 +69,35 @@ export const newUserThreadContent = (
         annotations: [],
       },
     },
-  ],
+  ]
-  id: ulid(),
+
-  object: 'thread.message',
+  // Add attachments to content array
-  thread_id: threadId,
+  if (attachments) {
-  status: MessageStatus.Ready,
+    attachments.forEach((attachment) => {
-  created_at: 0,
+      if (attachment.type.startsWith('image/')) {
-  completed_at: 0,
+        contentParts.push({
-})
+          type: ContentType.Image,
+          image_url: {
+            url: `data:${attachment.type};base64,${attachment.base64}`,
+            detail: 'auto',
+          },
+        } as any)
+      }
+    })
+  }
+
+  return {
+    type: 'text',
+    role: ChatCompletionRole.User,
+    content: contentParts,
+    id: ulid(),
+    object: 'thread.message',
+    thread_id: threadId,
+    status: MessageStatus.Ready,
+    created_at: 0,
+    completed_at: 0,
+  }
+}
 /**
  * @fileoverview Helper functions for creating thread content.
  * These functions are used to create thread content objects
@@ -162,13 +189,11 @@ export const sendCompletion = async (
   if (
     thread.model.id &&
     !Object.values(models[providerName]).flat().includes(thread.model.id) &&
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     !tokenJS.extendedModelExist(providerName as any, thread.model.id) &&
     provider.provider !== 'llamacpp'
   ) {
     try {
       tokenJS.extendModelList(
-        // eslint-disable-next-line @typescript-eslint/no-explicit-any
         providerName as any,
         thread.model.id,
         // This is to inherit the model capabilities from another built-in model
@@ -201,7 +226,7 @@ export const sendCompletion = async (
       ? await tokenJS.chat.completions.create(
           {
             stream: true,
-            // eslint-disable-next-line @typescript-eslint/no-explicit-any
+
             provider: providerName as any,
             model: thread.model?.id,
             messages,

web-app/src/lib/messages.ts

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
 import { ChatCompletionMessageParam } from 'token.js'
 import { ChatCompletionMessageToolCall } from 'openai/resources'
 import { ThreadMessage } from '@janhq/core'
@@ -19,32 +20,106 @@ export class CompletionMessagesBuilder {
     this.messages.push(
       ...messages
         .filter((e) => !e.metadata?.error)
-        .map<ChatCompletionMessageParam>(
+        .map<ChatCompletionMessageParam>((msg) => {
-          (msg) =>
+          if (msg.role === 'assistant') {
-            ({
+            return {
               role: msg.role,
-              content:
+              content: this.normalizeContent(
-                msg.role === 'assistant'
+                msg.content[0]?.text?.value || '.'
-                  ? this.normalizeContent(msg.content[0]?.text?.value || '.')
+              ),
-                  : msg.content[0]?.text?.value || '.',
+            } as ChatCompletionMessageParam
-            }) as ChatCompletionMessageParam
+          } else {
-        )
+            // For user messages, handle multimodal content
+            if (msg.content.length > 1) {
+              // Multiple content parts (text + images + files)
+
+              const content = msg.content.map((contentPart) => {
+                if (contentPart.type === 'text') {
+                  return {
+                    type: 'text',
+                    text: contentPart.text?.value || '',
+                  }
+                } else if (contentPart.type === 'image_url') {
+                  return {
+                    type: 'image_url',
+                    image_url: {
+                      url: contentPart.image_url?.url || '',
+                      detail: contentPart.image_url?.detail || 'auto',
+                    },
+                  }
+                } else {
+                  return contentPart
+                }
+              })
+              return {
+                role: msg.role,
+                content,
+              } as ChatCompletionMessageParam
+            } else {
+              // Single text content
+              return {
+                role: msg.role,
+                content: msg.content[0]?.text?.value || '.',
+              } as ChatCompletionMessageParam
+            }
+          }
+        })
     )
   }
 
   /**
    * Add a user message to the messages array.
    * @param content - The content of the user message.
+   * @param attachments - Optional attachments for the message.
    */
-  addUserMessage(content: string) {
+  addUserMessage(
+    content: string,
+    attachments?: Array<{
+      name: string
+      type: string
+      size: number
+      base64: string
+      dataUrl: string
+    }>
+  ) {
     // Ensure no consecutive user messages
     if (this.messages[this.messages.length - 1]?.role === 'user') {
       this.messages.pop()
     }
-    this.messages.push({
+
-      role: 'user',
+    // Handle multimodal content with attachments
-      content: content,
+    if (attachments && attachments.length > 0) {
-    })
+      const messageContent: any[] = [
+        {
+          type: 'text',
+          text: content,
+        },
+      ]
+
+      // Add attachments (images and PDFs)
+      attachments.forEach((attachment) => {
+        if (attachment.type.startsWith('image/')) {
+          messageContent.push({
+            type: 'image_url',
+            image_url: {
+              url: `data:${attachment.type};base64,${attachment.base64}`,
+              detail: 'auto',
+            },
+          })
+        }
+      })
+
+      this.messages.push({
+        role: 'user',
+        content: messageContent,
+      } as any)
+    } else {
+      // Text-only message
+      this.messages.push({
+        role: 'user',
+        content: content,
+      })
+    }
   }
 
   /**

web-app/src/routes/__root.tsx

@@ -26,7 +26,7 @@ import {
   ResizablePanel,
   ResizableHandle,
 } from '@/components/ui/resizable'
-import { useCallback } from 'react'
+import { useCallback, useEffect } from 'react'
 import GlobalError from '@/containers/GlobalError'
 import { GlobalEventHandler } from '@/providers/GlobalEventHandler'
 
@@ -65,6 +65,41 @@ const AppLayout = () => {
     [setLeftPanelSize, setLeftPanel]
   )
 
+  // Prevent default drag and drop behavior globally
+  useEffect(() => {
+    const preventDefaults = (e: DragEvent) => {
+      e.preventDefault()
+      e.stopPropagation()
+    }
+
+    const handleGlobalDrop = (e: DragEvent) => {
+      e.preventDefault()
+      e.stopPropagation()
+      
+      // Only prevent if the target is not within a chat input or other valid drop zone
+      const target = e.target as Element
+      const isValidDropZone = target?.closest('[data-drop-zone="true"]') || 
+                             target?.closest('.chat-input-drop-zone') ||
+                             target?.closest('[data-tauri-drag-region]')
+      
+      if (!isValidDropZone) {
+        // Prevent the file from opening in the window
+        return false
+      }
+    }
+
+    // Add event listeners to prevent default drag/drop behavior
+    window.addEventListener('dragenter', preventDefaults)
+    window.addEventListener('dragover', preventDefaults)
+    window.addEventListener('drop', handleGlobalDrop)
+
+    return () => {
+      window.removeEventListener('dragenter', preventDefaults)
+      window.removeEventListener('dragover', preventDefaults)  
+      window.removeEventListener('drop', handleGlobalDrop)
+    }
+  }, [])
+
   return (
     <Fragment>
       <AnalyticProvider />

web-app/src/services/__tests__/models.test.ts

@@ -290,7 +290,7 @@ describe('models service', () => {
         likes: 100,
         tags: ['conversational', 'pytorch'],
         pipeline_tag: 'text-generation',
-        created_at: '2023-01-01T00:00:00Z',
+        createdAt: '2023-01-01T00:00:00Z',
         last_modified: '2023-12-01T00:00:00Z',
         private: false,
         disabled: false,
@@ -443,7 +443,7 @@ describe('models service', () => {
         likes: 100,
         tags: ['conversational'],
         pipeline_tag: 'text-generation',
-        created_at: '2023-01-01T00:00:00Z',
+        createdAt: '2023-01-01T00:00:00Z',
         last_modified: '2023-12-01T00:00:00Z',
         private: false,
         disabled: false,
@@ -471,7 +471,7 @@ describe('models service', () => {
         likes: 100,
         tags: ['conversational'],
         pipeline_tag: 'text-generation',
-        created_at: '2023-01-01T00:00:00Z',
+        createdAt: '2023-01-01T00:00:00Z',
         last_modified: '2023-12-01T00:00:00Z',
         private: false,
         disabled: false,
@@ -510,7 +510,7 @@ describe('models service', () => {
         likes: 100,
         tags: ['conversational'],
         pipeline_tag: 'text-generation',
-        created_at: '2023-01-01T00:00:00Z',
+        createdAt: '2023-01-01T00:00:00Z',
         last_modified: '2023-12-01T00:00:00Z',
         private: false,
         disabled: false,
@@ -559,7 +559,7 @@ describe('models service', () => {
       likes: 75,
       tags: ['pytorch', 'transformers', 'text-generation'],
       pipeline_tag: 'text-generation',
-      created_at: '2021-01-01T00:00:00Z',
+      createdAt: '2021-01-01T00:00:00Z',
       last_modified: '2021-12-01T00:00:00Z',
       private: false,
       disabled: false,
@@ -605,6 +605,8 @@ describe('models service', () => {
             file_size: '4.0 GB',
           },
         ],
+        num_mmproj: 0,
+        mmproj_models: [],
         created_at: '2021-01-01T00:00:00Z',
         readme:
           'https://huggingface.co/microsoft/DialoGPT-medium/resolve/main/README.md',
@@ -820,7 +822,7 @@ describe('models service', () => {
         downloads: 0,
         likes: 0,
         tags: [],
-        created_at: '2021-01-01T00:00:00Z',
+        createdAt: '2021-01-01T00:00:00Z',
         last_modified: '2021-12-01T00:00:00Z',
         private: false,
         disabled: false,

web-app/src/services/models.ts

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
 import { sanitizeModelId } from '@/lib/utils'
 import {
   AIEngine,
@@ -27,6 +28,7 @@ export interface CatalogModel {
   num_quants: number
   quants: ModelQuant[]
   mmproj_models?: MMProjModel[]
+  num_mmproj: number
   created_at?: string
   readme?: string
   tools?: boolean
@@ -44,7 +46,7 @@ export interface HuggingFaceRepo {
   library_name?: string
   tags: string[]
   pipeline_tag?: string
-  created_at: string
+  createdAt: string
   last_modified: string
   private: boolean
   disabled: boolean
@@ -155,21 +157,30 @@ export const fetchHuggingFaceRepo = async (
 export const convertHfRepoToCatalogModel = (
   repo: HuggingFaceRepo
 ): CatalogModel => {
+  // Format file size helper
+  const formatFileSize = (size?: number) => {
+    if (!size) return 'Unknown size'
+    if (size < 1024 ** 3) return `${(size / 1024 ** 2).toFixed(1)} MB`
+    return `${(size / 1024 ** 3).toFixed(1)} GB`
+  }
+
   // Extract GGUF files from the repository siblings
   const ggufFiles =
     repo.siblings?.filter((file) =>
       file.rfilename.toLowerCase().endsWith('.gguf')
     ) || []
 
-  // Convert GGUF files to quants format
+  // Separate regular GGUF files from mmproj files
-  const quants = ggufFiles.map((file) => {
+  const regularGgufFiles = ggufFiles.filter(
-    // Format file size
+    (file) => !file.rfilename.toLowerCase().includes('mmproj')
-    const formatFileSize = (size?: number) => {
+  )
-      if (!size) return 'Unknown size'
-      if (size < 1024 ** 3) return `${(size / 1024 ** 2).toFixed(1)} MB`
-      return `${(size / 1024 ** 3).toFixed(1)} GB`
-    }
 
+  const mmprojFiles = ggufFiles.filter((file) =>
+    file.rfilename.toLowerCase().includes('mmproj')
+  )
+
+  // Convert regular GGUF files to quants format
+  const quants = regularGgufFiles.map((file) => {
     // Generate model_id from filename (remove .gguf extension, case-insensitive)
     const modelId = file.rfilename.replace(/\.gguf$/i, '')
 
@@ -180,15 +191,28 @@ export const convertHfRepoToCatalogModel = (
     }
   })
 
+  // Convert mmproj files to mmproj_models format
+  const mmprojModels = mmprojFiles.map((file) => {
+    const modelId = file.rfilename.replace(/\.gguf$/i, '')
+
+    return {
+      model_id: sanitizeModelId(modelId),
+      path: `https://huggingface.co/${repo.modelId}/resolve/main/${file.rfilename}`,
+      file_size: formatFileSize(file.size),
+    }
+  })
+
   return {
     model_name: repo.modelId,
-    description: `**Tags**: ${repo.tags?.join(', ')}`,
     developer: repo.author,
     downloads: repo.downloads || 0,
+    created_at: repo.createdAt,
     num_quants: quants.length,
     quants: quants,
-    created_at: repo.created_at,
+    num_mmproj: mmprojModels.length,
+    mmproj_models: mmprojModels,
     readme: `https://huggingface.co/${repo.modelId}/resolve/main/README.md`,
+    description: `**Tags**: ${repo.tags?.join(', ')}`,
   }
 }
 
@@ -327,3 +351,137 @@ export const isToolSupported = async (modelId: string): Promise<boolean> => {
 
   return engine.isToolSupported(modelId)
 }
+
+/**
+ * Checks if mmproj.gguf file exists for a given model ID in the llamacpp provider.
+ * Also checks if the model has offload_mmproj setting.
+ * If mmproj.gguf exists, adds offload_mmproj setting with value true.
+ * @param modelId - The model ID to check for mmproj.gguf
+ * @param updateProvider - Function to update the provider state
+ * @param getProviderByName - Function to get provider by name
+ * @returns Promise<{exists: boolean, settingsUpdated: boolean}> - exists: true if mmproj.gguf exists, settingsUpdated: true if settings were modified
+ */
+export const checkMmprojExistsAndUpdateOffloadMMprojSetting = async (
+  modelId: string,
+  updateProvider?: (providerName: string, data: Partial<ModelProvider>) => void,
+  getProviderByName?: (providerName: string) => ModelProvider | undefined
+): Promise<{ exists: boolean; settingsUpdated: boolean }> => {
+  let settingsUpdated = false
+
+  try {
+    const engine = getEngine('llamacpp') as AIEngine & {
+      checkMmprojExists?: (id: string) => Promise<boolean>
+    }
+    if (engine && typeof engine.checkMmprojExists === 'function') {
+      const exists = await engine.checkMmprojExists(modelId)
+
+      // If we have the store functions, use them; otherwise fall back to localStorage
+      if (updateProvider && getProviderByName) {
+        const provider = getProviderByName('llamacpp')
+        if (provider) {
+          const model = provider.models.find((m) => m.id === modelId)
+
+          if (model?.settings) {
+            const hasOffloadMmproj = 'offload_mmproj' in model.settings
+
+            // If mmproj exists, add offload_mmproj setting (only if it doesn't exist)
+            if (exists && !hasOffloadMmproj) {
+              // Create updated models array with the new setting
+              const updatedModels = provider.models.map((m) => {
+                if (m.id === modelId) {
+                  return {
+                    ...m,
+                    settings: {
+                      ...m.settings,
+                      offload_mmproj: {
+                        key: 'offload_mmproj',
+                        title: 'Offload MMProj',
+                        description:
+                          'Offload multimodal projection layers to GPU',
+                        controller_type: 'checkbox',
+                        controller_props: {
+                          value: true,
+                        },
+                      },
+                    },
+                  }
+                }
+                return m
+              })
+
+              // Update the provider with the new models array
+              updateProvider('llamacpp', { models: updatedModels })
+              settingsUpdated = true
+            }
+          }
+        }
+      } else {
+        // Fall back to localStorage approach for backwards compatibility
+        try {
+          const modelProviderData = JSON.parse(
+            localStorage.getItem('model-provider') || '{}'
+          )
+          const llamacppProvider = modelProviderData.state?.providers?.find(
+            (p: any) => p.provider === 'llamacpp'
+          )
+          const model = llamacppProvider?.models?.find(
+            (m: any) => m.id === modelId
+          )
+
+          if (model?.settings) {
+            // If mmproj exists, add offload_mmproj setting (only if it doesn't exist)
+            if (exists) {
+              if (!model.settings.offload_mmproj) {
+                model.settings.offload_mmproj = {
+                  key: 'offload_mmproj',
+                  title: 'Offload MMProj',
+                  description: 'Offload multimodal projection layers to GPU',
+                  controller_type: 'checkbox',
+                  controller_props: {
+                    value: true,
+                  },
+                }
+                // Save updated settings back to localStorage
+                localStorage.setItem(
+                  'model-provider',
+                  JSON.stringify(modelProviderData)
+                )
+                settingsUpdated = true
+              }
+            }
+          }
+        } catch (localStorageError) {
+          console.error(
+            `Error checking localStorage for model ${modelId}:`,
+            localStorageError
+          )
+        }
+      }
+
+      return { exists, settingsUpdated }
+    }
+  } catch (error) {
+    console.error(`Error checking mmproj for model ${modelId}:`, error)
+  }
+  return { exists: false, settingsUpdated }
+}
+
+/**
+ * Checks if mmproj.gguf file exists for a given model ID in the llamacpp provider.
+ * If mmproj.gguf exists, adds offload_mmproj setting with value true.
+ * @param modelId - The model ID to check for mmproj.gguf
+ * @returns Promise<{exists: boolean, settingsUpdated: boolean}> - exists: true if mmproj.gguf exists, settingsUpdated: true if settings were modified
+ */
+export const checkMmprojExists = async (modelId: string): Promise<boolean> => {
+  try {
+    const engine = getEngine('llamacpp') as AIEngine & {
+      checkMmprojExists?: (id: string) => Promise<boolean>
+    }
+    if (engine && typeof engine.checkMmprojExists === 'function') {
+      return await engine.checkMmprojExists(modelId)
+    }
+  } catch (error) {
+    console.error(`Error checking mmproj for model ${modelId}:`, error)
+  }
+  return false
+}