feat: add update badge to model modal versions tab

- Add CSS styling for tab badges with update indicator animation
- Include update_available flag in model data parsing
- Display animated badge on versions tab when updates are available
- Improve tab button layout with flexbox alignment and spacing

static/css/components/lora-modal/lora-modal.css

@@ -323,6 +323,10 @@
 }
 
 .tab-btn {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    gap: var(--space-1);
     padding: var(--space-1) var(--space-2);
     background: transparent;
     border: none;
@@ -346,6 +350,51 @@
     font-weight: 600;
 }
 
+.tab-btn .tab-label {
+    display: inline-flex;
+    align-items: center;
+    line-height: 1.2;
+}
+
+.tab-btn .tab-badge {
+    display: inline-flex;
+    align-items: center;
+    padding: 2px 8px;
+    border-radius: var(--border-radius-xs);
+    background: var(--badge-update-bg);
+    color: var(--badge-update-text);
+    font-size: 0.68em;
+    font-weight: 600;
+    letter-spacing: 0.06em;
+    text-transform: uppercase;
+    box-shadow: 0 3px 10px var(--badge-update-glow);
+    border: 1px solid color-mix(in oklab, var(--badge-update-bg) 55%, transparent);
+    line-height: 1;
+}
+
+.tab-badge--update {
+    animation: tab-badge-pulse 2.8s ease-in-out infinite;
+}
+
+.tab-btn--has-update:not(.active) {
+    color: color-mix(in oklch, var(--text-color) 70%, var(--badge-update-bg) 30%);
+}
+
+.tab-btn--has-update.active {
+    border-bottom-color: var(--badge-update-bg);
+}
+
+@keyframes tab-badge-pulse {
+    0%, 100% {
+        box-shadow: 0 3px 10px color-mix(in oklch, var(--badge-update-glow) 100%, transparent);
+        transform: translateY(0);
+    }
+    50% {
+        box-shadow: 0 5px 14px color-mix(in oklch, var(--badge-update-glow) 90%, transparent);
+        transform: translateY(-1px);
+    }
+}
+
 .tab-content {
     position: relative;
     min-height: 100px;

static/js/components/shared/ModelCard.js

@@ -287,6 +287,7 @@ async function showModelModalFromCard(card, modelType) {
         // Parse civitai metadata from the card's dataset
         civitai: JSON.parse(card.dataset.meta || '{}'),
         tags: JSON.parse(card.dataset.tags || '[]'),
+        update_available: card.dataset.update_available === 'true',
         modelDescription: card.dataset.modelDescription || '',
         // LoRA specific fields
         ...(modelType === MODEL_TYPES.LORA && {

static/js/components/shared/ModelModal.js

@@ -47,6 +47,7 @@ export async function showModelModal(model, modelType) {
         ...model,
         civitai: completeCivitaiData
     };
+    const hasUpdateAvailable = Boolean(modelWithFullData.update_available);
     
     // Prepare LoRA specific data with complete civitai data
     const escapedWords = (modelType === 'loras' || modelType === 'embeddings') && modelWithFullData.civitai?.trainedWords?.length ? 
@@ -67,15 +68,27 @@ export async function showModelModal(model, modelType) {
     const descriptionText = translate('modals.model.tabs.description', {}, 'Model Description');
     const recipesText = translate('modals.model.tabs.recipes', {}, 'Recipes');
     const versionsText = translate('modals.model.tabs.versions', {}, 'Versions');
-    
+    const versionsBadgeLabel = translate('modelCard.badges.update', {}, 'Update');
+    const versionsTabBadge = hasUpdateAvailable
+        ? `<span class="tab-badge tab-badge--update">${versionsBadgeLabel}</span>`
+        : '';
+    const versionsTabClasses = ['tab-btn'];
+    if (hasUpdateAvailable) {
+        versionsTabClasses.push('tab-btn--has-update');
+    }
+    const versionsTabButton = `<button class="${versionsTabClasses.join(' ')}" data-tab="versions">
+                <span class="tab-label">${versionsText}</span>
+                ${versionsTabBadge}
+            </button>`.trim();
+
     const tabsContent = modelType === 'loras' ? 
         `<button class="tab-btn active" data-tab="showcase">${examplesText}</button>
             <button class="tab-btn" data-tab="description">${descriptionText}</button>
-            <button class="tab-btn" data-tab="recipes">${recipesText}</button>
+            ${versionsTabButton}
-            <button class="tab-btn" data-tab="versions">${versionsText}</button>` :
+            <button class="tab-btn" data-tab="recipes">${recipesText}</button>` :
         `<button class="tab-btn active" data-tab="showcase">${examplesText}</button>
             <button class="tab-btn" data-tab="description">${descriptionText}</button>
-            <button class="tab-btn" data-tab="versions">${versionsText}</button>`;
+            ${versionsTabButton}`;
     
     const loadingExampleImagesText = translate('modals.model.loading.exampleImages', {}, 'Loading example images...');
     const loadingDescriptionText = translate('modals.model.loading.description', {}, 'Loading model description...');
@@ -102,12 +115,6 @@ export async function showModelModal(model, modelType) {
                 </div>
             </div>
         </div>
-        
-        <div id="recipes-tab" class="tab-pane">
-            <div class="recipes-loading">
-                <i class="fas fa-spinner fa-spin"></i> ${loadingRecipesText}
-            </div>
-        </div>
 
         <div id="versions-tab" class="tab-pane">
             <div class="model-versions-tab" data-model-id="${civitaiModelId}" data-model-type="${modelType}" data-current-version-id="${civitaiVersionId}">
@@ -115,6 +122,12 @@ export async function showModelModal(model, modelType) {
                     <i class="fas fa-spinner fa-spin"></i> ${loadingVersionsText}
                 </div>
             </div>
+        </div>
+
+        <div id="recipes-tab" class="tab-pane">
+            <div class="recipes-loading">
+                <i class="fas fa-spinner fa-spin"></i> ${loadingRecipesText}
+            </div>
         </div>` :
         `<div id="showcase-tab" class="tab-pane active">
             <div class="recipes-loading">