Function loadAllLogsFromSessionFile

src/utils/sessionStorage.ts:4599–4695

(
  sessionFile: string,
  projectPathOverride?: string,
)

 * Builds a LogOption for each leaf message in the file.
 */
export async function loadAllLogsFromSessionFile(
  sessionFile: string,
  projectPathOverride?: string,
): Promise<LogOption[]> {
  const {
    messages,
    summaries,
    customTitles,
    tags,
    agentNames,
    agentColors,
    agentSettings,
    prNumbers,
    prUrls,
    prRepositories,
    modes,
    fileHistorySnapshots,
    attributionSnapshots,
    contentReplacements,
    leafUuids,
  } = await loadTranscriptFile(sessionFile, { keepAllLeaves: true })

  if (messages.size === 0) return []

  const leafMessages: TranscriptMessage[] = []
  // Build parentUuid → children index once (O(n)), so trailing-message lookup is O(1) per leaf
  const childrenByParent = new Map<UUID, TranscriptMessage[]>()
  for (const msg of messages.values()) {
    if (leafUuids.has(msg.uuid)) {
      leafMessages.push(msg)
    } else if (msg.parentUuid) {
      const siblings = childrenByParent.get(msg.parentUuid)
      if (siblings) {
        siblings.push(msg)
      } else {
        childrenByParent.set(msg.parentUuid, [msg])
      }
    }
  }

  const logs: LogOption[] = []

  for (const leafMessage of leafMessages) {
    const chain = buildConversationChain(messages, leafMessage)
    if (chain.length === 0) continue

    // Append trailing messages that are children of the leaf
    const trailingMessages = childrenByParent.get(leafMessage.uuid)
    if (trailingMessages) {
      // ISO-8601 UTC timestamps are lexically sortable
      trailingMessages.sort((a, b) =>
        a.timestamp < b.timestamp ? -1 : a.timestamp > b.timestamp ? 1 : 0,
      )
      chain.push(...trailingMessages)
    }

    const firstMessage = chain[0]!
    const sessionId = leafMessage.sessionId as UUID