Restore Studio 2 Load hydrate, sticky negatives, and strip actions.

Co-authored-by: Cursor <cursoragent@cursor.com>

shared/studio2/input.mjs

@@ -1,5 +1,6 @@
 import {restoreLoras,loraUse} from './lora-memory.mjs'
-import { restoreInput } from './contracts.mjs'
+import { restoreInput, sectionsFrom } from './contracts.mjs'
+import { normalizeStyles } from './styles.mjs'
 export const aspectOptions = [{id:'auto',label:'Automatic',hint:'Match start or hero still'},{id:'16:9',label:'16:9',hint:'1344 × 768 · padded'},{id:'9:16',label:'9:16',hint:'768 × 1344 · padded'},{id:'1:1',label:'1:1',hint:'960 × 960 · padded'}]
 export function resolveQwen21Size(aspect, source) {
   const presets = {'16:9':[1024,576],'9:16':[576,1024],'1:1':[1024,1024]}
@@ -70,6 +71,70 @@ export function changeSource(form) {
 
 export function useAsHero(form, item) { return {...form,identityStillId:item.id} }
 export function useAsSource(form, item) { return {...form,imageAId:item.id} }
+
+/** Hydrate the live bench from a saved Studio 2 request (Load). Does not enqueue. */
+export function hydrateStudio2Job(form, saved, { stillIds = new Set(), clipIds = new Set(), xaigen = false, memory } = {}) {
+  const src = structuredClone(saved?.studio2 || saved || {})
+  const missing = []
+  const keepStill = (id, label) => {
+    const value = id || ''
+    if (!value) return ''
+    if (stillIds.has(value)) return value
+    missing.push(`${label} missing from library`)
+    return ''
+  }
+  const keepClip = (id, label) => {
+    const value = id || ''
+    if (!value) return ''
+    if (clipIds.has(value)) return value
+    missing.push(`${label} missing from library`)
+    return ''
+  }
+  const modeRaw = src.mode === 'iterate' ? 'edit' : src.mode
+  const mode = ['generate','edit','compose','refine','video','extend','music'].includes(modeRaw) ? modeRaw : 'edit'
+  let engine = src.engine === 'qwen21' ? 'qwen21' : src.engine === 'krea' ? 'krea' : src.engine === 'ltx' ? 'ltx' : src.engine === 'minimax' ? 'minimax' : 'flux'
+  if (['video','extend'].includes(mode)) engine = xaigen && engine === 'ltx' ? 'ltx' : 'minimax'
+  else if (engine === 'minimax' || engine === 'ltx') engine = 'flux'
+  const settings = structuredClone(src.settings || {})
+  const aspect = ['auto','16:9','9:16','1:1'].includes(settings.aspect) ? settings.aspect : 'auto'
+  const loraStack = Array.isArray(settings.loraStack) ? settings.loraStack.map(item => ({
+    name: item.name,
+    strengthModel: Number(item.strengthModel ?? item.strength ?? 1),
+    strengthClip: Number(item.strengthClip ?? item.strengthModel ?? item.strength ?? 1)
+  })) : []
+  const guides = (Array.isArray(src.guides) ? src.guides : []).map(g => {
+    const stillId = keepStill(g.stillId, 'guide still')
+    return stillId ? { stillId, frame: g.frame } : null
+  }).filter(Boolean)
+  const next = {
+    ...form,
+    mode,
+    engine,
+    lockFace: src.lockFace !== false,
+    lockOutfit: src.lockOutfit !== false,
+    hideInput: !!src.hideInput,
+    folderId: src.folderId || form.folderId,
+    identityStillId: keepStill(src.identityStillId, 'hero'),
+    imageAId: keepStill(src.imageAId, 'start'),
+    imageBId: keepStill(src.imageBId, 'second still'),
+    maskId: keepStill(src.maskId, 'mask'),
+    startClipId: keepClip(src.startClipId, 'start clip'),
+    endStillId: keepStill(src.endStillId, 'end still'),
+    guides,
+    imageStyles: normalizeStyles(src.imageStyles || { positive: [], negative: [] }),
+    promptSections: sectionsFrom(src.promptSections || { action: src.compiledPrompt || src.prompt || '' }),
+    settings: {
+      ...form.settings,
+      ...settings,
+      aspect,
+      seed: settings.seed ?? form.settings?.seed ?? null,
+      seedMode: 'locked',
+      loraStack
+    }
+  }
+  return { form: restoreLoras(next, loraStack, xaigen, memory), missing: missing[0] || '', warnings: missing }
+}
+
 export function restoreAll(form,item,xaigen=false,memory) {
  const restored=restoreInput(item),next={...form,...restored,settings:{...form.settings,...restored.settings,seedMode:'random'}}
  if(item.kind==='clip') return {...bindClip(next,item,xaigen,memory),mode:'extend'}