Add per-user library settings, folder passwords, and a still picker.

Settings manages folders, thumbnail defaults, and passwords for the signed-in account, and choosing an image now browses saved stills instead of only the desktop file dialog.

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

server/api/generate.post.ts

@@ -35,7 +35,7 @@ export default defineEventHandler(async (event) => {
     : Math.floor(Math.random() * 2_147_483_647)
   const length = frameLength(Number(fields.duration || 5))
   const hideThumbnail = fields.hideThumbnail === 'true'
-  assertLibraryAccess(event)
+  const ownerKey = libraryOwnerKey(event)
   const library = publicLibrary(event)
   const folderId = library.folders.some(folder => folder.id === fields.folderId)
     ? fields.folderId
@@ -43,11 +43,21 @@ export default defineEventHandler(async (event) => {
   if (!folderId) {
     throw createError({ statusCode: 400, statusMessage: 'Create a library folder before generating' })
   }
+  assertFolderAccess(event, folderId)
+  await saveStill({
+    ownerKey,
+    folderId,
+    filename: image.filename,
+    data: image.data,
+    width,
+    height
+  })
 
   const job = createJob()
   job.maxStep = steps
   job.hideThumbnail = hideThumbnail
   job.library = {
+    ownerKey,
     folderId,
     hideThumbnail,
     prompt,