Function scanAllSessions

src/commands/insights.ts:2755–2790

* Scans all project directories using filesystem metadata only (no JSONL parsing). * Returns a list of session file info sorted by mtime descending. * Yields to the event loop between project directories to keep the UI responsive.

()

 * Yields to the event loop between project directories to keep the UI responsive.
 */
async function scanAllSessions(): Promise<LiteSessionInfo[]> {
  const projectsDir = getProjectsDir()

  let dirents: Awaited<ReturnType<typeof readdir>>
  try {
    dirents = await readdir(projectsDir, { withFileTypes: true })
  } catch {
    return []
  }

  const projectDirs = dirents
    .filter(dirent => dirent.isDirectory())
    .map(dirent => join(projectsDir, dirent.name))

  const allSessions: LiteSessionInfo[] = []

  for (let i = 0; i < projectDirs.length; i++) {
    const sessionFiles = await getSessionFilesWithMtime(projectDirs[i]!)
    for (const [sessionId, fileInfo] of sessionFiles) {
      allSessions.push({
        sessionId,
        path: fileInfo.path,
        mtime: fileInfo.mtime,
        size: fileInfo.size,
      })
    }
    // Yield to event loop every 10 project directories
    if (i % 10 === 9) {
      await new Promise<void>(resolve => setImmediate(resolve))
    }
  }

  // Sort by mtime descending (most recent first)
  allSessions.sort((a, b) => b.mtime - a.mtime)
  return allSessions
}

// ============================================================================
// Main Function