Function runViewer

scripts/tmux/tmux-viewer/index.tsx:116–202

(
  sessionName: string,
  jsonMode: boolean,
  replayMode: boolean,
  exportGif: string | boolean,
  frameDelay: number | undefined,
  fontSize: number | undefined,
  projectRoot: string
)

}

async function runViewer(
  sessionName: string,
  jsonMode: boolean,
  replayMode: boolean,
  exportGif: string | boolean,
  frameDelay: number | undefined,
  fontSize: number | undefined,
  projectRoot: string
): Promise<void> {
  // Load session data
  let data
  try {
    data = await loadSession(sessionName, projectRoot)
  } catch (error) {
    console.log(red(`Error: ${(error as Error).message}`))
    console.log('')
    console.log('Available sessions:')
    const sessions = await listSessions(projectRoot)
    for (const s of sessions) {
      console.log(`  ${s}`)
    }
    process.exit(1)
  }

  // JSON mode - output and exit
  if (jsonMode) {
    const jsonOutput = sessionToJSON(data)
    console.log(JSON.stringify(jsonOutput, null, 2))
    process.exit(0)
  }

  // GIF export mode
  if (exportGif) {
    const outputPath = typeof exportGif === 'string' 
      ? exportGif 
      : getSuggestedFilename(data)
    
    console.log(cyan(`Exporting session "${sessionName}" to GIF...`))
    console.log(dim(`  Frames: ${data.captures.length}`))
    console.log(dim(`  Delay: ${frameDelay ?? 1500}ms per frame`))
    console.log(dim(`  Output: ${outputPath}`))
    console.log('')
    
    try {
      const result = await renderSessionToGif(data, {
        outputPath,
        frameDelay,
        fontSize,
      })
      console.log(cyan(`✓ GIF exported successfully: ${result}`))
      process.exit(0)
    } catch (error) {
      console.log(red(`✗ Failed to export GIF: ${(error as Error).message}`))
      process.exit(1)
    }
  }

  // Interactive TUI mode