lsm / neokai / 27565124947

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Committed by web-flow

Commit Message

fix: align context window display + compaction for GLM/Kimi (#2113)

* fix: align context window display + compaction for GLM/Kimi

Two-layer fix for broken context window display and auto-compaction on
non-native providers:

Layer 1 (SDK configuration):
- GLM: add preferContextWindowMetadata to all model entries so the
  context bar trusts provider metadata instead of the SDK's 200k fallback
  for unknown model IDs. Add CLAUDE_CODE_AUTO_COMPACT_WINDOW env var per
  model so SDK auto-compact fires at the correct threshold (1M for
  glm-5.2[1m], 200k for the rest).
- Kimi: add preferContextWindowMetadata (display 262k, not 200k). Remove
  CLAUDE_CODE_AUTO_COMPACT_WINDOW env var — the SDK's PP() helper caps
  kimi-for-coding to 200k regardless, so the env var would cause SDK
  auto-compact to fire 60k too early. Move Kimi into a new
  PROVIDER_NO_SDK_AUTO_COMPACT set and disable SDK auto-compact via
  Options.settings; NeoKai fallback now handles compaction.
- Codex: no change. Already correct via claude-opus-4-7 SDK alias plus
  CLAUDE_CODE_AUTO_COMPACT_WINDOW env var.

Layer 2 (NeoKai fallback safety net):
- Add reserveBasedThreshold() + ContextTracker.shouldCompactAt() that
  fire at contextWindow - max(13k, 15%) — higher than the SDK's own
  window - 13k trigger so the SDK has multiple turns to react first.
- Rewrite sdk-message-handler guard: NeoKai fallback no longer disabled
  by SDK's isAutoCompactEnabled flag (which can be wrong for non-native
  providers). Only native providers (anthropic, anthropic-copilot,
  anthropic-codex) skip the fallback.
- Cooldown (60s) prevents double-compaction when both layers race.

* fix: address PR #2113 review nits

Four P3 findings from review:

1. sdk-message-handler.ts: drop "shared cooldown" wording. The cooldown
   is NeoKai-only — SDK compaction handlers (handleStatusMessage /
   handleCompactBoundary) don't call markCompactionTriggered. Reworded
   comment to make the asymmetry explicit.

2. query-option... (continued)

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