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fix: warn on claude-code prompt caching during setup

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This commit is contained in:
Andrey Avtomonov 2026-05-15 16:34:53 +02:00
parent ea3c606b28
commit daca268fa8
4 changed files with 87 additions and 11 deletions
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28
packages/cli/src/claude-code-prompt-caching.ts Normal file
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import type { KtxProjectLlmConfig } from '@ktx/context/project';
const CLAUDE_CODE_IGNORED_PROMPT_CACHING_FIELDS = [
'systemTtl',
'toolsTtl',
'historyTtl',
'vertexFallbackTo5m',
] as const;
export function ignoredClaudeCodePromptCachingFields(config: KtxProjectLlmConfig): string[] {
if (config.provider.backend !== 'claude-code' || !config.promptCaching) {
return [];
}
return CLAUDE_CODE_IGNORED_PROMPT_CACHING_FIELDS.filter((key) => key in config.promptCaching).map(
(key) => `llm.promptCaching.${key}`,
);
}
export function formatClaudeCodePromptCachingWarning(fields: string[]): string | null {
if (fields.length === 0) {
return null;
}
return `claude-code ignores ${fields.join(', ')} because the Claude Agent SDK does not expose KTX prompt-cache TTL, tool, or history markers.`;
}
export function formatClaudeCodePromptCachingFix(): string {
return 'Remove those promptCaching fields or use anthropic, vertex, or gateway when those cache knobs are required.';
}