feat(gateway): 图/视频调用经进程内 Gateway 做重试、Fallback 与观测 - #331

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xiaocheny214 wants to merge 17 commits into

1024XEngineer:mainfrom

xiaocheny214:feat/llm-gateway

Commits on Aug 17, 2026

feat(gateway): 按状态码分类 UNREACHED/MAYBE_BILLED

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feat(gateway): 增加 fallback 与单价配置键

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feat(gateway): 按 family 校验 scene 型号链

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feat(gateway): 522 只再试一次并按入口熔断

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feat(gateway): 记录耗时与估算成本的 attempt trace

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refactor(providers): 图像 adapter 一次 POST 返回结构化结果

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feat(gateway): 图像调用按策略重试与 Fallback

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feat(gateway): 视频建单与跟单分离并按策略 Fallback

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fix(gateway): 已有 job_id 时禁止 429 再开第二单

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feat(gateway): 生成任务经 Gateway 装配并回写 request_id

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fix(gateway): 熔断加锁并禁止无 job_id 时换型号

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Commits on Aug 19, 2026

feat(gateway): 支持入口路由与台账落库
 xiaocheny214
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feat(gateway): 同入口多 key 切换并拆分 attempt 冷热字段
 xiaocheny214
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Merge branch 'main' into feat/llm-gateway
xiaocheny214
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fix(gateway): 去掉合入后重复的 generate 调用
 xiaocheny214
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fix(gateway): 对齐合入后的 chat 工厂与预付费结算
 xiaocheny214
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Merge branch 'main' into feat/llm-gateway
xiaocheny214
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