feat: redesign creative studio entry

web/app/layout.tsx

@@ -12,8 +12,8 @@ const _playfairDisplay = Playfair_Display({
 })
 
 export const metadata: Metadata = {
-  title: "SKG TK 二创工作台",
-  description: "SKG AI 素材生产管线 · 节点工作流",
+  title: "SKG Creative Studio",
+  description: "SKG AI 图片、视频和文案创作台",
 }
 
 export default function RootLayout({

web/lib/api.ts

@@ -316,6 +316,54 @@ export async function getRuntimeHealth(): Promise<RuntimeHealth> {
   return res.json()
 }
 
+export interface CreativeCopyVariant {
+  title: string
+  hook_zh: string
+  script_zh: string
+  script_en: string
+  image_prompt_en: string
+  video_prompt_en: string
+  caption_zh: string
+  hashtags: string[]
+}
+
+export interface CreativeCopyResult {
+  model: string
+  variants: CreativeCopyVariant[]
+}
+
+export async function generateCreativeCopy(body: {
+  goal: string
+  product?: string
+  audience?: string
+  platform?: string
+  tone?: string
+  seconds?: number
+  source_text?: string
+}): Promise<CreativeCopyResult> {
+  const res = await fetch(`${API_BASE}/creative/copy`, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(body),
+  })
+  if (!res.ok) {
+    const txt = await res.text().catch(() => "")
+    throw apiError("generateCreativeCopy", res.status, txt)
+  }
+  return res.json()
+}
+
+export async function createCreativeImageJob(file?: File | null): Promise<Job> {
+  const fd = new FormData()
+  if (file) fd.append("file", file)
+  const res = await fetch(`${API_BASE}/creative/jobs/image`, { method: "POST", body: fd })
+  if (!res.ok) {
+    const txt = await res.text().catch(() => "")
+    throw apiError("createCreativeImageJob", res.status, txt)
+  }
+  return res.json()
+}
+
 // 把 ImageRef 解析成可显示的 src URL
 export function resolveImageRefUrl(jobId: string, ref: ImageRef): string {
   if (ref.kind === "keyframe") {