fix(jump-hop): extend creation timeout

src/services/jump-hop/jumpHopClient.ts

@@ -31,6 +31,8 @@ import {
 const JUMP_HOP_API_BASE = '/api/creation/jump-hop/sessions';
 const JUMP_HOP_WORKS_API_BASE = '/api/creation/jump-hop/works';
 const JUMP_HOP_RUNTIME_API_BASE = '/api/runtime/jump-hop';
+// 中文注释：跳一跳创作会等待背景图、25 格图集、切片和 OSS 写入，不能沿用共创会话默认 15 秒超时。
+const JUMP_HOP_GENERATION_TIMEOUT_MS = 20 * 60 * 1000;
 const JUMP_HOP_RUNTIME_READ_RETRY: ApiRetryOptions = {
   maxRetries: 1,
   baseDelayMs: 120,
@@ -87,6 +89,8 @@ const jumpHopCreationClient = createCreationAgentClient<
     streamIncomplete: '跳一跳共创消息流式结果不完整',
     executeAction: '执行跳一跳共创操作失败',
   },
+  createSessionTimeoutMs: JUMP_HOP_GENERATION_TIMEOUT_MS,
+  executeActionTimeoutMs: JUMP_HOP_GENERATION_TIMEOUT_MS,
 });
 
 type FlattenedJumpHopWorkProfileResponse = Omit<