Add desktop Batch toggle, fix xAIGen library hide/selection, per-engine steps/CFG, and mobile prompt editor.

Desktop Batch splits only on double blank lines when enabled; library hide actually conceals thumbs and pinned clicks stick; steps/CFG restore per image model; mobile opens a near-fullscreen prompt editor.

components/studio2/Mobile.vue

@@ -139,6 +139,7 @@
    :selected="ctx.selected"
    :folder-id="ctx.form?.folderId"
    :preview-hidden="!ctx.eyeOpen"
+   :is-hidden="ctx.isHidden"
    @close="ctx.closeLibrary()"
    @select="ctx.selectOutput"
    @use-image="ctx.onLibraryUseImage"
@@ -223,7 +224,17 @@
      <label class="m-label">Lyrics<textarea v-model="ctx.music.lyrics" rows="8" class="m-area" /></label>
     </template>
     <template v-else>
-     <label class="m-label">Prompt<textarea v-model="ctx.form.promptSections.action" rows="5" class="m-area" placeholder="Describe the image or the shot." /></label>
+     <label class="m-label">Prompt
+      <textarea
+       :value="ctx.form.promptSections.action"
+       rows="5"
+       class="m-area"
+       placeholder="Describe the image or the shot."
+       readonly
+       @focus="openPromptEditor"
+       @click="openPromptEditor"
+      />
+     </label>
      <label v-if="ctx.form.engine==='qwen21' && (ctx.form.mode==='generate' || ctx.form.mode==='edit')" class="m-check"><input v-model="ctx.form.enhancePrompt" type="checkbox"> Enhance prompt</label>
      <label v-if="ctx.form.engine==='qwen21' && (ctx.form.mode==='generate' || ctx.form.mode==='edit')" class="m-check"><input v-model="ctx.form.turbo" type="checkbox"> Turbo</label>
      <p v-if="ctx.form.engine==='qwen21' && ctx.form.turbo" class="m-muted">6-step Viggle distill. CFG stays 1. Enhance prompt recommended.</p>
@@ -355,6 +366,25 @@
     <button v-if="ctx.canClearFinished" type="button" class="m-link" @click="ctx.clearFinished">Clear finished</button>
    </div>
   </aside>
+
+  <div
+   v-if="promptEditorOpen"
+   class="m-prompt-editor"
+   role="dialog"
+   aria-modal="true"
+   aria-label="Edit prompt"
+  >
+   <header class="m-prompt-editor-head">
+    <strong>Prompt</strong>
+    <button type="button" @click="closePromptEditor">Done</button>
+   </header>
+   <textarea
+    ref="promptEditorEl"
+    v-model="promptEditorDraft"
+    class="m-prompt-editor-area"
+    placeholder="Describe the image or the shot."
+   />
+  </div>
  </div>
 </template>
 
@@ -364,12 +394,33 @@ export type Studio2MobileCtx = Record<string, any>
 const props = defineProps<{ ctx: Studio2MobileCtx }>()
 const sheet = ref('')
 const touchStart = ref<{ x: number; y: number } | null>(null)
+const promptEditorOpen = ref(false)
+const promptEditorDraft = ref('')
+const promptEditorEl = ref<HTMLTextAreaElement | null>(null)
+
+function openPromptEditor() {
+  promptEditorDraft.value = String(props.ctx.form?.promptSections?.action || '')
+  promptEditorOpen.value = true
+  nextTick(() => {
+    promptEditorEl.value?.focus()
+    const el = promptEditorEl.value
+    if (el) {
+      const n = el.value.length
+      el.setSelectionRange(n, n)
+    }
+  })
+}
+function closePromptEditor() {
+  if (props.ctx.form?.promptSections) props.ctx.form.promptSections.action = promptEditorDraft.value
+  promptEditorOpen.value = false
+}
 
 function toggleSheet(id: string) {
   sheet.value = sheet.value === id ? '' : id
 }
 function closeMenus() {
   sheet.value = ''
+  if (promptEditorOpen.value) closePromptEditor()
 }
 function runAction(kind: 'use-image' | 'use-prompt' | 'copy' | 'copy-raw' | 'load-input' | 'load-input-raw' | 'delete') {
   sheet.value = ''
@@ -726,4 +777,41 @@ watch(() => props.ctx.form.mode, () => { sheet.value = '' })
 .m-job-progress { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
 .m-job-progress-bar { flex: 1; height: 4px; accent-color: var(--amber); }
 .m-link { border: 0; background: transparent; color: var(--amber); text-align: left; }
+.m-prompt-editor {
+  position: fixed;
+  inset: 0;
+  z-index: 90;
+  display: flex;
+  flex-direction: column;
+  background: #0e0e10;
+  padding: env(safe-area-inset-top, 0) env(safe-area-inset-right, 0) env(safe-area-inset-bottom, 0) env(safe-area-inset-left, 0);
+}
+.m-prompt-editor-head {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 12px 16px;
+  border-bottom: 1px solid var(--line);
+}
+.m-prompt-editor-head button {
+  border: 0;
+  background: transparent;
+  color: var(--amber);
+  font-size: 16px;
+  font-weight: 600;
+}
+.m-prompt-editor-area {
+  flex: 1;
+  width: 100%;
+  margin: 0;
+  padding: 16px;
+  border: 0;
+  resize: none;
+  background: #0e0e10;
+  color: #f3f1ea;
+  font: inherit;
+  font-size: 17px;
+  line-height: 1.45;
+  outline: none;
+}
 </style>