feat(linear): Add Linear Mode - simplified workflow interface

- Add LinearView as main entry point for linear mode
- Add LinearWorkspace with template selector and creation panels
- Add LinearIconSidebar with navigation (create, history, settings)
- Add LinearTemplateSelector with category filters and template cards
- Add LinearCreationPanel with step-by-step workflow builder
- Add LinearInputPanel for image/text input with drag-drop support
- Add LinearParameterPanel for model and generation settings
- Add LinearOutputGallery for generated results display
- Add LinearHistoryPanel for generation history
- Add LinearStepCard, LinearTemplateCard components
- Add linear mode route (/linear)
- Add linear mode toggle in workspace sidebar
- Update components.d.ts with linear components

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

ComfyUI_vibe/src/components/v2/layout/WorkspaceSidebar.vue

@@ -27,6 +27,12 @@ const router = useRouter()
 const isTeam = computed(() => props.workspaceId === 'team')
 
 const userMenuGroups = computed<MenuGroup[]>(() => [
+  {
+    label: 'Create',
+    items: [
+      { label: 'Linear Mode', icon: 'pi pi-bolt', route: `/${props.workspaceId}/create` }
+    ]
+  },
   {
     label: 'Overview',
     items: [
@@ -46,6 +52,12 @@ const userMenuGroups = computed<MenuGroup[]>(() => [
 ])
 
 const teamMenuGroups = computed<MenuGroup[]>(() => [
+  {
+    label: 'Create',
+    items: [
+      { label: 'Linear Mode', icon: 'pi pi-bolt', route: `/${props.workspaceId}/create` }
+    ]
+  },
   {
     label: 'Overview',
     items: [