POST 市场 SkillBot 运行报价
POST /loom/v1/marketListings/{marketListing}:quote 市场 SkillBot 运行报价
所属分组：Market Runs · 市场执行与报价
Returns estimated execution cost plus task-level creator fee. Final settlement follows actual LoomLoom execution cost plus billable task count times task_fixed_fee_t.