Function buildOpenCodeRequest

src/core/parser-opencode.ts:230–262

(
  msg: OcMessage,
  partsByMsg: Map<string, OcPart[]>,
  assistantData: OpenCodeAssistantData,
  userTs: number | null,
)

}

function buildOpenCodeRequest(
  msg: OcMessage,
  partsByMsg: Map<string, OcPart[]>,
  assistantData: OpenCodeAssistantData,
  userTs: number | null,
): SessionRequest {
  const cacheRead = assistantData.tokenSource?.cache?.read ?? 0;
  const cacheWrite = assistantData.tokenSource?.cache?.write ?? 0;
  const hasTokenData = assistantData.tokenSource != null;
  return createRequest({
    requestId: msg.id,
    timestamp: userTs,
    messageText: getOpenCodeUserText(msg, partsByMsg),
    responseText: assistantData.responseText,
    agentName: msg.agent || 'OpenCode',
    agentMode: msg.agent || 'build',
    modelId: assistantData.modelId,
    toolsUsed: assistantData.toolsUsed,
    editedFiles: [...new Set(assistantData.editedFiles)],
    referencedFiles: [...new Set(assistantData.referencedFiles)],
    totalElapsed: assistantData.totalElapsed,
    // promptTokens = total input context (uncached input + cache read + cache write)
    // so that context-window analysis sees the full context. Cached portions
    // are tracked separately for billing.
    promptTokens: hasTokenData ? (assistantData.tokenSource?.input ?? 0) + cacheRead + cacheWrite : null,
    completionTokens: hasTokenData ? (assistantData.tokenSource?.output ?? 0) : null,
    cacheReadTokens: cacheRead > 0 ? cacheRead : null,
    cacheWriteTokens: cacheWrite > 0 ? cacheWrite : null,
    // OpenCode stores reasoning effort as "variant" on user messages
    reasoningEffort: canonicalizeReasoningEffort(msg.variant)
      ?? extractReasoningEffortFromModelId(assistantData.modelId),
  });
}

function parseOpenCodeSession(rawSession: OcSession, storageDir: string): Session | null {
  if (!rawSession.id) return null;