Refactor ShowMetadataCard and API: remove obsolete poster upload functionality, streamline metadata saving process into a single mutation, and enhance UI for original name input. Update related state management and error handling for improved user experience.

frontend/src/features/admin/shows/api.ts

@@ -1,4 +1,4 @@
-import { apiRequest, getAccessToken, HttpError } from '@/shared/api/client'
+import { apiRequest } from '@/shared/api/client'
 import type {
   CreatedIdResponse,
   MetadataCandidate,
@@ -84,29 +84,3 @@ export function setShowPoster(showId: string, imageId: string | null) {
 export function refreshEpisodesMetadata(showId: string) {
   return apiRequest<number>(`/admin/metadata/shows/${showId}/refresh-episodes`, { method: 'POST' })
 }
-
-/** Загрузка постера вручную (сырое тело, имя в query — как uploadMedia). */
-export function uploadPoster(showId: string, file: File): Promise<void> {
-  return new Promise((resolve, reject) => {
-    const xhr = new XMLHttpRequest()
-    const q = new URLSearchParams({ fileName: file.name })
-    xhr.open('PUT', `/api/admin/metadata/shows/${showId}/poster?${q.toString()}`)
-    const token = getAccessToken()
-    if (token) xhr.setRequestHeader('Authorization', `Bearer ${token}`)
-    xhr.onload = () => {
-      if (xhr.status >= 200 && xhr.status < 300) resolve()
-      else {
-        let detail = `HTTP ${xhr.status}`
-        try {
-          const p = JSON.parse(xhr.responseText) as { detail?: string; title?: string }
-          detail = p.detail ?? p.title ?? detail
-        } catch {
-          /* пусто */
-        }
-        reject(new HttpError({ detail }, xhr.status))
-      }
-    }
-    xhr.onerror = () => reject(new HttpError({ title: 'Network error' }, 0))
-    xhr.send(file)
-  })
-}