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source dump of claude code
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1.1 kB · 26 lines
TypeScript
at main
123456789101112131415161718192021222324252627import type { BetaTool } from '@anthropic-ai/sdk/resources/beta/messages/messages.mjs'
// Session-scoped cache of rendered tool schemas. Tool schemas render at server// position 2 (before system prompt), so any byte-level change busts the entire// ~11K-token tool block AND everything downstream. GrowthBook gate flips// (tengu_tool_pear, tengu_fgts), MCP reconnects, or dynamic content in// tool.prompt() all cause this churn. Memoizing per-session locks the schema// bytes at first render — mid-session GB refreshes no longer bust the cache.//// Lives in a leaf module so auth.ts can clear it without importing api.ts// (which would create a cycle via plans→settings→file→growthbook→config→// bridgeEnabled→auth).type CachedSchema = BetaTool & { strict?: boolean eager_input_streaming?: boolean}
const TOOL_SCHEMA_CACHE = new Map<string, CachedSchema>()
export function getToolSchemaCache(): Map<string, CachedSchema> { return TOOL_SCHEMA_CACHE}
export function clearToolSchemaCache(): void { TOOL_SCHEMA_CACHE.clear()}