Function buildDiffableContent

src/services/api/promptCacheBreakDetection.ts:206–222

(
  system: TextBlockParam[],
  tools: BetaToolUnion[],
  model: string,
)

}

function buildDiffableContent(
  system: TextBlockParam[],
  tools: BetaToolUnion[],
  model: string,
): string {
  const systemText = system.map(b => b.text).join('\n\n')
  const toolDetails = tools
    .map(t => {
      if (!('name' in t)) return 'unknown'
      const desc = 'description' in t ? t.description : ''
      const schema = 'input_schema' in t ? jsonStringify(t.input_schema) : ''
      return `${t.name}\n  description: ${desc}\n  input_schema: ${schema}`
    })
    .sort()
    .join('\n\n')
  return `Model: ${model}\n\n=== System Prompt ===\n\n${systemText}\n\n=== Tools (${tools.length}) ===\n\n${toolDetails}\n`
}

/** Extended tracking snapshot — everything that could affect the server-side
 *  cache key that we can observe from the client. All fields are optional so