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fix: 内存优化 — 预测性 compact 阈值、增量 lookups orphaned 修复、deferred slice 引用优化
- P0: REPL.tsx 用 useMemo 包裹 deferred messages slice,避免每次渲染创建新数组引用导致不必要的后台重渲染 - P1: 预测性 compact 阈值改用 effectiveContextWindow - growth,消除与 autocompact buffer 的双重预留;TOOL_RESULT_GROWTH_ESTIMATE 从 20K 降至 15K - P2: 增量 lookups 增加 lastAssistantMsgId 一致性检查和 orphaned server_tool_use/mcp_tool_use 扫描,防止 UI 永久 loading - P3: reactiveCompact 类型断言改为直接使用 'compact' 字面量 - docs: CLAUDE.md 统一使用 precheck 替代分散的 typecheck/lint/test 命令 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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@@ -761,6 +761,16 @@ async function validateContentTokens(
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const effectiveMaxTokens =
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maxTokens ?? getDefaultFileReadingLimits().maxTokens
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// Fast rejection: if raw byte count exceeds 4x the token limit,
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// no encoding can possibly fit (worst case is ~4 bytes/token).
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const byteLength = Buffer.byteLength(content)
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if (byteLength > effectiveMaxTokens * 4) {
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throw new MaxFileReadTokenExceededError(
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Math.ceil(byteLength / 4),
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effectiveMaxTokens,
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)
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}
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const tokenEstimate = roughTokenCountEstimationForFileType(content, ext)
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if (!tokenEstimate || tokenEstimate <= effectiveMaxTokens / 4) return
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