chore: Snowflake Cortex caching follow-ups (walk-back continuation, image-block probe, cross-process cooldown)

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#1,023 创建于 2026年7月21日 0 条评论 0 个 reaction 已指派 0 人在 GitHub 查看

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Issue 类型: 功能
描述清晰度: 需要澄清
活跃度: 冷清
技术栈: typescript
领域: ai, backend

调研方向

先从 #1020 共识审查和 v0.9.2 发布审查开始，然后检查当前的 attachMarker 和 cacheDisabledUntil 路径。检查 src/plugin/snowflake-cortex.ts 和 packages/core 中的 cortexFetch PluginV2 移植，并运行或添加提到的 image-block 单元测试。完成的标准是：每个延期的后续事项都有已确定的范围，在需要时进行了实时验证，并且有相应的覆盖，或明确延期。

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描述

Consolidated follow-ups from the #1020 consensus code review and the v0.9.2 release review. Deferred because: each needs design or live verification beyond a quick fix.

attachMarker walk-back: when the target block already has a marker, continue scanning earlier blocks/messages for an unmarked spot to preserve a second trailing breakpoint (MiMo/GLM-5.1 finding; rare in the shipped pipeline).
Live-probe whether Cortex honors cache_control on image blocks; add a unit test for a newly-relocated marker landing on a non-text last block.
Cache-disable cooldown (cacheDisabledUntil) is per-process; concurrent processes each pay the probe-retry tax independently on marker-rejecting accounts (Chaos Gremlin P1). Consider shared state only if such accounts are ever observed.
Discussion: should a (non-SyntaxError) transform bug be able to fail a chat turn, or degrade to pass-through with a loud log (Tech Lead P2)?
Dormant paths (src/plugin/snowflake-cortex.ts, packages/core cortexFetch PluginV2 port) lack the caching fix — port it if either is revived.

主要语言: TypeScript
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