Keep uploaded stills in the input picker and generated work in the library, and run image-edit passes as a chain like video extensions.

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

server/api/library/stills/[id].patch.ts

@@ -0,0 +1,23 @@
+export default defineEventHandler(async (event) => {
+  const { owner } = assertLibraryOwner(event)
+  const id = String(getRouterParam(event, 'id') || '')
+  const body = await readBody<{ folderId?: string; name?: string; family?: boolean }>(event).catch(() => ({} as { folderId?: string; name?: string; family?: boolean }))
+  const folderId = String(body?.folderId || '')
+  const hasName = typeof body?.name === 'string'
+  const family = body?.family === true
+  if (!folderId && !hasName) {
+    throw createError({ statusCode: 400, statusMessage: 'Choose a library folder or a new name' })
+  }
+  const still = getStill(owner, id)
+  assertFolderAccess(event, still.folderId)
+  if (folderId) {
+    assertFolderExists(event, folderId)
+    if (family) await moveStillFamily(owner, id, folderId)
+    else await moveStill(owner, id, folderId)
+  }
+  if (hasName) {
+    if (family) await renameStillFamily(owner, id, body.name || '')
+    else await renameStill(owner, id, body.name || '')
+  }
+  return publicLibrary(event)
+})