diff --git a/pkg/display/display.go b/pkg/display/display.go
index 17edc470..6c3fb8fe 100644
--- a/pkg/display/display.go
+++ b/pkg/display/display.go
@@ -485,6 +485,8 @@ func (s *Service) handleWSMessage(msg WSMessage) core.Result {
 		return c.Action("gui.chat.selectModel").Run(ctx, wsOptions(msg.Data))
 	case "chat:settings:save":
 		return c.Action("gui.chat.settings.save").Run(ctx, wsOptions(msg.Data))
+	case "chat:settings:defaults":
+		return c.Action("gui.chat.settings.defaults").Run(ctx, wsOptions(msg.Data))
 	case "chat:settings:load":
 		return c.Action("gui.chat.settings.load").Run(ctx, wsOptions(msg.Data))
 	case "chat:settings:reset":
@@ -507,6 +509,8 @@ func (s *Service) handleWSMessage(msg WSMessage) core.Result {
 		return c.Action("gui.chat.conversations.export").Run(ctx, wsOptions(msg.Data))
 	case "chat:attach-image":
 		return c.Action("gui.chat.attachImage").Run(ctx, wsOptions(msg.Data))
+	case "chat:remove-image":
+		return c.Action("gui.chat.removeImage").Run(ctx, wsOptions(msg.Data))
 	case "chat:thinking:start":
 		return c.Action("gui.chat.thinking.start").Run(ctx, wsOptions(msg.Data))
 	case "chat:thinking:append":
diff --git a/ui/src/chat/chat-panel.component.ts b/ui/src/chat/chat-panel.component.ts
index 53e0c29c..e22b1848 100644
--- a/ui/src/chat/chat-panel.component.ts
+++ b/ui/src/chat/chat-panel.component.ts
@@ -73,6 +73,8 @@ import { ChatStateService } from './chat-state.service';
           [value]="state.draft()"
           [disabled]="state.sending()"
           [attachments]="state.queuedAttachments()"
+          [visionEnabled]="state.selectedModelSupportsVision()"
+          [visionDisabledReason]="'Image input is only available for vision-capable local models.'"
           (valueChange)="state.draft.set($event)"
           (attachFiles)="state.queueImageFiles($event)"
           (removeAttachment)="state.removeQueuedAttachment($event)"
diff --git a/ui/src/chat/chat-state.service.ts b/ui/src/chat/chat-state.service.ts
index f93df97f..f8bc8fbe 100644
--- a/ui/src/chat/chat-state.service.ts
+++ b/ui/src/chat/chat-state.service.ts
@@ -38,6 +38,12 @@ export class ChatStateService {
   readonly sending = signal(false);
   readonly modelSwitching = signal(false);
   readonly selectedModel = signal('');
+  readonly selectedModelEntry = computed(
+    () => this.models().find((model) => model.name === this.selectedModel()) ?? null,
+  );
+  readonly selectedModelSupportsVision = computed(
+    () => this.supportsVision(this.selectedModelEntry()),
+  );
   readonly thinkingActive = computed(
     () => this.activeConversation()?.messages.some((message) => message.thinking?.active) ?? false,
   );
@@ -168,6 +174,9 @@ export class ChatStateService {
   }
 
   async queueImageFiles(files: FileList | File[]): Promise<void> {
+    if (!this.selectedModelSupportsVision()) {
+      return;
+    }
     const items = Array.from(files);
     for (const file of items) {
       if (!file.type.startsWith('image/')) {
@@ -434,6 +443,17 @@ export class ChatStateService {
     };
   }
 
+  // Vision is currently limited to Gemma-family multimodal models such as lemer/lemma.
+  // Example: this.supportsVision({ name: 'lemer', architecture: 'gemma3' }) == true
+  private supportsVision(model: ModelEntry | null): boolean {
+    if (!model) {
+      return false;
+    }
+    const architecture = (model.architecture ?? '').toLowerCase();
+    const name = (model.name ?? '').toLowerCase();
+    return architecture.includes('gemma') || name === 'lemer' || name === 'lemma';
+  }
+
   private async fileToAttachment(file: File): Promise<ImageAttachment> {
     const data = await this.readFileAsDataURL(file);
     const dimensions = await this.readImageDimensions(data);
diff --git a/ui/src/chat/input-area.component.ts b/ui/src/chat/input-area.component.ts
index e4f44b75..2243322b 100644
--- a/ui/src/chat/input-area.component.ts
+++ b/ui/src/chat/input-area.component.ts
@@ -29,10 +29,19 @@ import { ImageAttachment } from './chat.types';
       <div class="composer__meta">
         <span>{{ value.length }} chars · {{ attachments.length }} image(s)</span>
         <div class="composer__actions">
-          <wa-button type="button" appearance="plain" (click)="filePicker.click()">Attach</wa-button>
+          <wa-button
+            type="button"
+            appearance="plain"
+            [disabled]="!visionEnabled"
+            [attr.title]="!visionEnabled ? visionDisabledReason : null"
+            (click)="openFilePicker(filePicker)"
+          >
+            Attach
+          </wa-button>
           <wa-button type="button" variant="brand" [disabled]="disabled" (click)="submit.emit()">Send</wa-button>
         </div>
       </div>
+      <p *ngIf="!visionEnabled" class="composer__hint">{{ visionDisabledReason }}</p>
     </div>
   `,
   styles: [
@@ -45,6 +54,7 @@ import { ImageAttachment } from './chat.types';
       textarea { width: 100%; min-height: 3.5rem; max-height: 10.5rem; resize: none; border: 0; background: transparent; color: #f8fafc; font: inherit; outline: 0; line-height: 1.6; }
       .composer__meta { display: flex; justify-content: space-between; align-items: center; gap: 1rem; color: #94a3b8; font-size: 0.82rem; }
       .composer__actions { display: flex; gap: 0.6rem; }
+      .composer__hint { margin: 0; color: #fbbf24; font-size: 0.8rem; }
       wa-button[disabled] { opacity: 0.4; }
     `,
   ],
@@ -55,6 +65,8 @@ export class InputAreaComponent implements AfterViewInit {
   @Input() value = '';
   @Input() disabled = false;
   @Input() attachments: ImageAttachment[] = [];
+  @Input() visionEnabled = true;
+  @Input() visionDisabledReason = '';
   @Output() valueChange = new EventEmitter<string>();
   @Output() attachFiles = new EventEmitter<FileList | File[]>();
   @Output() removeAttachment = new EventEmitter<number>();
@@ -83,12 +95,18 @@ export class InputAreaComponent implements AfterViewInit {
 
   onDrop(event: DragEvent): void {
     event.preventDefault();
+    if (!this.visionEnabled) {
+      return;
+    }
     if (event.dataTransfer?.files?.length) {
       this.attachFiles.emit(event.dataTransfer.files);
     }
   }
 
   onPaste(event: ClipboardEvent): void {
+    if (!this.visionEnabled) {
+      return;
+    }
     const files = Array.from(event.clipboardData?.files ?? []);
     if (files.length > 0) {
       this.attachFiles.emit(files);
@@ -96,6 +114,9 @@ export class InputAreaComponent implements AfterViewInit {
   }
 
   onFileSelection(event: Event): void {
+    if (!this.visionEnabled) {
+      return;
+    }
     const input = event.target as HTMLInputElement;
     if (input.files?.length) {
       this.attachFiles.emit(input.files);
@@ -103,6 +124,13 @@ export class InputAreaComponent implements AfterViewInit {
     }
   }
 
+  openFilePicker(input: HTMLInputElement): void {
+    if (!this.visionEnabled) {
+      return;
+    }
+    input.click();
+  }
+
   attachmentSource(attachment: ImageAttachment): string {
     return `data:${attachment.mime_type};base64,${attachment.data}`;
   }
diff --git a/ui/src/generated/core-gui-chat.bindings.ts b/ui/src/generated/core-gui-chat.bindings.ts
index 71a3b08f..3e9d6d67 100644
--- a/ui/src/generated/core-gui-chat.bindings.ts
+++ b/ui/src/generated/core-gui-chat.bindings.ts
@@ -13,6 +13,14 @@ declare global {
 }
 
 export interface ChatRouteMap {
+  'gui.chat.clear': {
+    request: { id?: string; conversation_id?: string };
+    response: Conversation;
+  };
+  'gui.chat.history': {
+    request: { id?: string; conversation_id?: string };
+    response: Conversation;
+  };
   'gui.chat.models': { request: void; response: ModelEntry[] };
   'gui.chat.settings.defaults': { request: void; response: ChatSettings };
   'gui.chat.settings.load': { request: void; response: ChatSettings };
@@ -29,6 +37,7 @@ export interface ChatRouteMap {
   'gui.chat.conversations.delete': { request: { id: string }; response: void };
   'gui.chat.conversations.rename': { request: { id: string; title: string }; response: Conversation };
   'gui.chat.conversations.export': { request: { id: string }; response: string };
+  'gui.chat.conversation.save': { request: Conversation; response: Conversation };
   'gui.chat.attachImage': {
     request: ({ conversation_id?: string } & ImageAttachment);
     response: ImageAttachment;
@@ -41,6 +50,18 @@ export interface ChatRouteMap {
     request: { conversation_id?: string; content: string };
     response: Conversation;
   };
+  'gui.chat.thinking.start': {
+    request: { conversation_id: string; message_id?: string; started_at?: string };
+    response: { conversation_id: string; message_id?: string; started_at?: string };
+  };
+  'gui.chat.thinking.append': {
+    request: { conversation_id: string; message_id?: string; content?: string };
+    response: string;
+  };
+  'gui.chat.thinking.end': {
+    request: { conversation_id: string; message_id?: string; started_at?: string; duration_ms?: number };
+    response: number;
+  };
 }
 
 export type ChatRoute = keyof ChatRouteMap;