Asset Browser Modal Component (#5607)

* [ci] ignore playwright mcp directory

* [feat] add AssetBrowserModal

And all related sub components

* [feat] reactive filter functions

* [ci] clean up storybook config

* [feat] add sematic AssetCard

* [fix] i love lucide

* [fix] AssetCard layout issues

* [fix] add AssetBadge type

* [fix] simplify useAssetBrowser

* [fix] modal layout

* [fix] simplify useAssetBrowserDialog

* [fix] add tailwind back to storybook

* [fix] better reponsive layout

* [fix] missed i18n string

* [fix] missing i18n translations

* [fix] remove erroneous prevent on keyboard.space

* [feat] add asset metadata validation utilities

* [fix] remove erroneous test code

* [fix] remove forced min and max width on AssetCard

* [fix] import statement nits

src/platform/assets/components/AssetBrowserModal.stories.ts

@@ -0,0 +1,178 @@
+import type { Meta, StoryObj } from '@storybook/vue3-vite'
+
+import AssetBrowserModal from '@/platform/assets/components/AssetBrowserModal.vue'
+import {
+  createMockAssets,
+  mockAssets
+} from '@/platform/assets/fixtures/ui-mock-assets'
+
+// Story arguments interface
+interface StoryArgs {
+  nodeType: string
+  inputName: string
+  currentValue: string
+  showLeftPanel?: boolean
+}
+
+const meta: Meta<StoryArgs> = {
+  title: 'Platform/Assets/AssetBrowserModal',
+  component: AssetBrowserModal,
+  parameters: {
+    layout: 'fullscreen'
+  },
+  argTypes: {
+    nodeType: {
+      control: 'select',
+      options: ['CheckpointLoaderSimple', 'VAELoader', 'ControlNetLoader'],
+      description: 'ComfyUI node type for context'
+    },
+    inputName: {
+      control: 'select',
+      options: ['ckpt_name', 'vae_name', 'control_net_name'],
+      description: 'Widget input name'
+    },
+    currentValue: {
+      control: 'text',
+      description: 'Current selected asset value'
+    },
+    showLeftPanel: {
+      control: 'boolean',
+      description: 'Whether to show the left panel with categories'
+    }
+  }
+}
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+// Modal Layout Stories
+export const Default: Story = {
+  args: {
+    nodeType: 'CheckpointLoaderSimple',
+    inputName: 'ckpt_name',
+    currentValue: '',
+    showLeftPanel: false
+  },
+  render: (args) => ({
+    components: { AssetBrowserModal },
+    setup() {
+      const onAssetSelect = (asset: any) => {
+        console.log('Selected asset:', asset)
+      }
+      const onClose = () => {
+        console.log('Modal closed')
+      }
+
+      return {
+        ...args,
+        onAssetSelect,
+        onClose,
+        assets: mockAssets
+      }
+    },
+    template: `
+      <div class="flex items-center justify-center min-h-screen bg-stone-200 dark-theme:bg-stone-200 p-4">
+        <AssetBrowserModal
+          :node-type="nodeType"
+          :input-name="inputName"
+          :show-left-panel="showLeftPanel"
+          :assets="assets"
+          @asset-select="onAssetSelect"
+          @close="onClose"
+        />
+      </div>
+    `
+  })
+}
+
+// Story demonstrating single asset type (auto-hides left panel)
+export const SingleAssetType: Story = {
+  args: {
+    nodeType: 'CheckpointLoaderSimple',
+    inputName: 'ckpt_name',
+    currentValue: '',
+    showLeftPanel: false
+  },
+  render: (args) => ({
+    components: { AssetBrowserModal },
+    setup() {
+      const onAssetSelect = (asset: any) => {
+        console.log('Selected asset:', asset)
+      }
+      const onClose = () => {
+        console.log('Modal closed')
+      }
+
+      // Create assets with only one type (checkpoints)
+      const singleTypeAssets = createMockAssets(15).map((asset) => ({
+        ...asset,
+        type: 'checkpoint'
+      }))
+
+      return { ...args, onAssetSelect, onClose, assets: singleTypeAssets }
+    },
+    template: `
+      <div class="flex items-center justify-center min-h-screen bg-stone-200 dark-theme:bg-stone-200 p-4">
+        <AssetBrowserModal
+          :node-type="nodeType"
+          :input-name="inputName"
+          :show-left-panel="showLeftPanel"
+          :assets="assets"
+          @asset-select="onAssetSelect"
+          @close="onClose"
+        />
+      </div>
+    `
+  }),
+  parameters: {
+    docs: {
+      description: {
+        story:
+          'Modal with assets of only one type (checkpoint) - left panel auto-hidden.'
+      }
+    }
+  }
+}
+
+// Story with left panel explicitly hidden
+export const NoLeftPanel: Story = {
+  args: {
+    nodeType: 'CheckpointLoaderSimple',
+    inputName: 'ckpt_name',
+    currentValue: '',
+    showLeftPanel: false
+  },
+  render: (args) => ({
+    components: { AssetBrowserModal },
+    setup() {
+      const onAssetSelect = (asset: any) => {
+        console.log('Selected asset:', asset)
+      }
+      const onClose = () => {
+        console.log('Modal closed')
+      }
+
+      return { ...args, onAssetSelect, onClose, assets: mockAssets }
+    },
+    template: `
+      <div class="flex items-center justify-center min-h-screen bg-stone-200 dark-theme:bg-stone-200 p-4">
+        <AssetBrowserModal
+          :node-type="nodeType"
+          :input-name="inputName"
+          :show-left-panel="showLeftPanel"
+          :assets="assets"
+          @asset-select="onAssetSelect"
+          @close="onClose"
+        />
+      </div>
+    `
+  }),
+  parameters: {
+    docs: {
+      description: {
+        story:
+          'Modal with left panel explicitly disabled via showLeftPanel=false.'
+      }
+    }
+  }
+}