feat: improve model config UI and move selector to chat input

- Move model selector from header to chat input (left of send button)
- Add per-model validation status (queued, running, valid, invalid)
- Filter model selector to only show verified models
- Add editable model IDs in config dialog
- Add custom model input field alongside suggested models dropdown
- Fix hover states on provider buttons and select triggers
- Update OpenAI suggested models with GPT-5 series
- Add alert-dialog component for delete confirmation

components/ai-elements/model-selector.tsx

@@ -1,3 +1,4 @@
+import { Cloud } from "lucide-react"
 import type { ComponentProps, ReactNode } from "react"
 import {
     Command,
@@ -112,16 +113,23 @@ export const ModelSelectorLogo = ({
     provider,
     className,
     ...props
-}: ModelSelectorLogoProps) => (
-    <img
-        {...props}
-        alt={`${provider} logo`}
-        className={cn("size-4 dark:invert", className)}
-        height={16}
-        src={`https://models.dev/logos/${provider}.svg`}
-        width={16}
-    />
-)
+}: ModelSelectorLogoProps) => {
+    // Use Lucide icon for bedrock since models.dev doesn't have a good AWS icon
+    if (provider === "amazon-bedrock") {
+        return <Cloud className={cn("size-4", className)} />
+    }
+
+    return (
+        <img
+            {...props}
+            alt={`${provider} logo`}
+            className={cn("size-4 dark:invert", className)}
+            height={16}
+            src={`https://models.dev/logos/${provider}.svg`}
+            width={16}
+        />
+    )
+}
 
 export type ModelSelectorLogoGroupProps = ComponentProps<"div">
 

components/chat-input.tsx

@@ -14,6 +14,7 @@ import { toast } from "sonner"
 import { ButtonWithTooltip } from "@/components/button-with-tooltip"
 import { ErrorToast } from "@/components/error-toast"
 import { HistoryDialog } from "@/components/history-dialog"
+import { ModelSelector } from "@/components/model-selector"
 import { ResetWarningModal } from "@/components/reset-warning-modal"
 import { SaveDialog } from "@/components/save-dialog"
 import { Button } from "@/components/ui/button"
@@ -28,6 +29,7 @@ import { useDiagram } from "@/contexts/diagram-context"
 import { useDictionary } from "@/hooks/use-dictionary"
 import { formatMessage } from "@/lib/i18n/utils"
 import { isPdfFile, isTextFile } from "@/lib/pdf-utils"
+import type { FlattenedModel } from "@/lib/types/model-config"
 import { FilePreviewList } from "./file-preview-list"
 
 const MAX_IMAGE_SIZE = 2 * 1024 * 1024 // 2MB
@@ -156,6 +158,11 @@ interface ChatInputProps {
     error?: Error | null
     minimalStyle?: boolean
     onMinimalStyleChange?: (value: boolean) => void
+    // Model selector props
+    models?: FlattenedModel[]
+    selectedModelId?: string
+    onModelSelect?: (modelId: string | undefined) => void
+    onConfigureModels?: () => void
 }
 
 export function ChatInput({
@@ -173,6 +180,10 @@ export function ChatInput({
     error = null,
     minimalStyle = false,
     onMinimalStyleChange = () => {},
+    models = [],
+    selectedModelId,
+    onModelSelect = () => {},
+    onConfigureModels = () => {},
 }: ChatInputProps) {
     const dict = useDictionary()
     const {
@@ -465,6 +476,14 @@ export function ChatInput({
                             disabled={isDisabled}
                         />
 
+                        <ModelSelector
+                            models={models}
+                            selectedModelId={selectedModelId}
+                            onSelect={onModelSelect}
+                            onConfigure={onConfigureModels}
+                            disabled={isDisabled}
+                        />
+
                         <div className="w-px h-5 bg-border mx-1" />
 
                         <Button

components/chat-panel.tsx

@@ -19,7 +19,6 @@ import { Toaster, toast } from "sonner"
 import { ButtonWithTooltip } from "@/components/button-with-tooltip"
 import { ChatInput } from "@/components/chat-input"
 import { ModelConfigDialog } from "@/components/model-config-dialog"
-import { ModelSelector } from "@/components/model-selector"
 import { ResetWarningModal } from "@/components/reset-warning-modal"
 import { SettingsDialog } from "@/components/settings-dialog"
 import { useDiagram } from "@/contexts/diagram-context"
@@ -1304,16 +1303,6 @@ Continue from EXACTLY where you stopped.`,
                                 className={`${isMobile ? "w-4 h-4" : "w-5 h-5"}`}
                             />
                         </a>
-                        {!isMobile && modelConfig.isLoaded && (
-                            <ModelSelector
-                                models={modelConfig.models}
-                                selectedModelId={modelConfig.selectedModelId}
-                                onSelect={modelConfig.setSelectedModelId}
-                                onConfigure={() =>
-                                    setShowModelConfigDialog(true)
-                                }
-                            />
-                        )}
                         <ButtonWithTooltip
                             tooltipContent={dict.nav.settings}
                             variant="ghost"
@@ -1377,6 +1366,10 @@ Continue from EXACTLY where you stopped.`,
                     error={error}
                     minimalStyle={minimalStyle}
                     onMinimalStyleChange={setMinimalStyle}
+                    models={modelConfig.models}
+                    selectedModelId={modelConfig.selectedModelId}
+                    onModelSelect={modelConfig.setSelectedModelId}
+                    onConfigureModels={() => setShowModelConfigDialog(true)}
                 />
             </footer>
 

components/model-selector.tsx

@@ -1,6 +1,6 @@
 "use client"
 
-import { Bot, Check, Settings2 } from "lucide-react"
+import { Bot, Check, Server, Settings2 } from "lucide-react"
 import { useMemo, useState } from "react"
 import {
     ModelSelectorContent,
@@ -37,8 +37,7 @@ const PROVIDER_LOGO_MAP: Record<string, string> = {
     openrouter: "openrouter",
     deepseek: "deepseek",
     siliconflow: "siliconflow",
-    ollama: "ollama",
-    gateway: "openai", // fallback
+    gateway: "vercel",
 }
 
 // Group models by providerLabel (handles duplicate providers)
@@ -69,7 +68,15 @@ export function ModelSelector({
     disabled = false,
 }: ModelSelectorProps) {
     const [open, setOpen] = useState(false)
-    const groupedModels = useMemo(() => groupModelsByProvider(models), [models])
+    // Only show validated models in the selector
+    const validatedModels = useMemo(
+        () => models.filter((m) => m.validated === true),
+        [models],
+    )
+    const groupedModels = useMemo(
+        () => groupModelsByProvider(validatedModels),
+        [validatedModels],
+    )
 
     // Find selected model for display
     const selectedModel = useMemo(
@@ -108,14 +115,21 @@ export function ModelSelector({
             <ModelSelectorContent title="Select Model">
                 <ModelSelectorInput placeholder="Search models..." />
                 <ModelSelectorList>
-                    <ModelSelectorEmpty>No models found.</ModelSelectorEmpty>
+                    <ModelSelectorEmpty>
+                        {validatedModels.length === 0 && models.length > 0
+                            ? "No verified models. Test your models first."
+                            : "No models found."}
+                    </ModelSelectorEmpty>
 
                     {/* Server Default Option */}
-                    <ModelSelectorGroup>
+                    <ModelSelectorGroup heading="Default">
                         <ModelSelectorItem
                             value="__server_default__"
                             onSelect={handleSelect}
-                            className="cursor-pointer"
+                            className={cn(
+                                "cursor-pointer",
+                                !selectedModelId && "bg-accent",
+                            )}
                         >
                             <Check
                                 className={cn(
@@ -125,7 +139,8 @@ export function ModelSelector({
                                         : "opacity-0",
                                 )}
                             />
-                            <ModelSelectorName className="text-muted-foreground">
+                            <Server className="mr-2 h-4 w-4 text-muted-foreground" />
+                            <ModelSelectorName>
                                 Server Default
                             </ModelSelectorName>
                         </ModelSelectorItem>
@@ -186,6 +201,10 @@ export function ModelSelector({
                             </ModelSelectorName>
                         </ModelSelectorItem>
                     </ModelSelectorGroup>
+                    {/* Info text */}
+                    <div className="px-3 py-2 text-xs text-muted-foreground border-t">
+                        Only verified models are shown
+                    </div>
                 </ModelSelectorList>
             </ModelSelectorContent>
         </ModelSelectorRoot>

components/ui/alert-dialog.tsx

@@ -0,0 +1,157 @@
+"use client"
+
+import * as React from "react"
+import * as AlertDialogPrimitive from "@radix-ui/react-alert-dialog"
+
+import { cn } from "@/lib/utils"
+import { buttonVariants } from "@/components/ui/button"
+
+function AlertDialog({
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Root>) {
+  return <AlertDialogPrimitive.Root data-slot="alert-dialog" {...props} />
+}
+
+function AlertDialogTrigger({
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Trigger>) {
+  return (
+    <AlertDialogPrimitive.Trigger data-slot="alert-dialog-trigger" {...props} />
+  )
+}
+
+function AlertDialogPortal({
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Portal>) {
+  return (
+    <AlertDialogPrimitive.Portal data-slot="alert-dialog-portal" {...props} />
+  )
+}
+
+function AlertDialogOverlay({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Overlay>) {
+  return (
+    <AlertDialogPrimitive.Overlay
+      data-slot="alert-dialog-overlay"
+      className={cn(
+        "data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 fixed inset-0 z-50 bg-black/50",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Content>) {
+  return (
+    <AlertDialogPortal>
+      <AlertDialogOverlay />
+      <AlertDialogPrimitive.Content
+        data-slot="alert-dialog-content"
+        className={cn(
+          "bg-background data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 fixed top-[50%] left-[50%] z-50 grid w-full max-w-[calc(100%-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border p-6 shadow-lg duration-200 sm:max-w-lg",
+          className
+        )}
+        {...props}
+      />
+    </AlertDialogPortal>
+  )
+}
+
+function AlertDialogHeader({
+  className,
+  ...props
+}: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="alert-dialog-header"
+      className={cn("flex flex-col gap-2 text-center sm:text-left", className)}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogFooter({
+  className,
+  ...props
+}: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="alert-dialog-footer"
+      className={cn(
+        "flex flex-col-reverse gap-2 sm:flex-row sm:justify-end",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogTitle({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Title>) {
+  return (
+    <AlertDialogPrimitive.Title
+      data-slot="alert-dialog-title"
+      className={cn("text-lg font-semibold", className)}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogDescription({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Description>) {
+  return (
+    <AlertDialogPrimitive.Description
+      data-slot="alert-dialog-description"
+      className={cn("text-muted-foreground text-sm", className)}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogAction({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Action>) {
+  return (
+    <AlertDialogPrimitive.Action
+      className={cn(buttonVariants(), className)}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogCancel({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Cancel>) {
+  return (
+    <AlertDialogPrimitive.Cancel
+      className={cn(buttonVariants({ variant: "outline" }), className)}
+      {...props}
+    />
+  )
+}
+
+export {
+  AlertDialog,
+  AlertDialogPortal,
+  AlertDialogOverlay,
+  AlertDialogTrigger,
+  AlertDialogContent,
+  AlertDialogHeader,
+  AlertDialogFooter,
+  AlertDialogTitle,
+  AlertDialogDescription,
+  AlertDialogAction,
+  AlertDialogCancel,
+}

components/ui/command.tsx

@@ -145,18 +145,6 @@ function CommandItem({
         "data-[selected=true]:bg-accent data-[selected=true]:text-accent-foreground [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled=true]:pointer-events-none data-[disabled=true]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
         className
       )}
-      onMouseEnter={(e) => {
-        // Ensure hover updates selection for visual feedback
-        const item = e.currentTarget
-        item.setAttribute("data-selected", "true")
-        // Deselect siblings
-        const siblings = item.parentElement?.querySelectorAll("[cmdk-item]")
-        siblings?.forEach((sibling) => {
-          if (sibling !== item) {
-            sibling.setAttribute("data-selected", "false")
-          }
-        })
-      }}
       {...props}
     />
   )

components/ui/select.tsx

@@ -37,7 +37,7 @@ function SelectTrigger({
       data-slot="select-trigger"
       data-size={size}
       className={cn(
-        "border-input data-[placeholder]:text-muted-foreground [&_svg:not([class*='text-'])]:text-muted-foreground focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive dark:bg-input/30 dark:hover:bg-input/50 flex w-fit items-center justify-between gap-2 rounded-md border bg-transparent px-3 py-2 text-sm whitespace-nowrap shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 data-[size=default]:h-9 data-[size=sm]:h-8 *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-2 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        "border-input data-[placeholder]:text-muted-foreground [&_svg:not([class*='text-'])]:text-muted-foreground focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive hover:bg-accent dark:bg-input/30 dark:hover:bg-input/50 flex w-fit items-center justify-between gap-2 rounded-md border bg-transparent px-3 py-2 text-sm whitespace-nowrap shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 data-[size=default]:h-9 data-[size=sm]:h-8 *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-2 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
         className
       )}
       {...props}