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Fix Claude 1-hour cache write pricing (#317)

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Co-authored-by: ozymandiashh <234437643+ozymandiashh@users.noreply.github.com>
Co-authored-by: iamtoruk <hello@agentseal.org>
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AgentSeal 2026-05-11 21:23:04 -07:00 • committed by GitHub
parent 03e22ecb80
commit c85beeaeae
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9 changed files with 165 additions and 30 deletions
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26
src/parser.ts
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@ -92,16 +92,39 @@ function getMessageId(entry: JournalEntry): string | null {
return msg?.id ?? null
}
function positiveNumber(n: number | undefined): number {
return n !== undefined && Number.isFinite(n) && n > 0 ? n : 0
}
function extractClaudeCacheCreation(usage: AssistantMessageContent['usage']): { totalTokens: number; oneHourTokens: number } {
const legacyTotal = positiveNumber(usage.cache_creation_input_tokens)
const cacheCreation = usage.cache_creation
const fiveMinuteTokens = positiveNumber(cacheCreation?.ephemeral_5m_input_tokens)
const oneHourTokens = positiveNumber(cacheCreation?.ephemeral_1h_input_tokens)
const splitTotal = fiveMinuteTokens + oneHourTokens
if (splitTotal === 0) return { totalTokens: legacyTotal, oneHourTokens: 0 }
// Valid Claude usage reports the legacy total and split total as equal.
// Keep the larger value so malformed partial splits do not drop tokens.
const totalTokens = Math.max(legacyTotal, splitTotal)
return {
totalTokens,
oneHourTokens: Math.min(oneHourTokens, totalTokens),
}
}
function parseApiCall(entry: JournalEntry): ParsedApiCall | null {
if (entry.type !== 'assistant') return null
const msg = entry.message as AssistantMessageContent | undefined
if (!msg?.usage || !msg?.model) return null
const usage = msg.usage
const cacheCreation = extractClaudeCacheCreation(usage)
const tokens: TokenUsage = {
inputTokens: usage.input_tokens ?? 0,
outputTokens: usage.output_tokens ?? 0,
cacheCreationInputTokens: usage.cache_creation_input_tokens ?? 0,
cacheCreationInputTokens: cacheCreation.totalTokens,
cacheReadInputTokens: usage.cache_read_input_tokens ?? 0,
cachedInputTokens: 0,
reasoningTokens: 0,
@ -118,6 +141,7 @@ function parseApiCall(entry: JournalEntry): ParsedApiCall | null {
tokens.cacheReadInputTokens,
tokens.webSearchRequests,
usage.speed ?? 'standard',
cacheCreation.oneHourTokens,
)
const bashCmds = extractBashCommandsFromContent(msg.content ?? [])