Function readSessionState

tools/claw-launcher-ui/server.mjs:1868–2005

(sessionId, workspaceDir)

}

async function readSessionState(sessionId, workspaceDir) {
  const path = join(sessionDir(workspaceDir), `${sessionId}.json`)
  const payload = JSON.parse(await readFile(path, 'utf8'))
  const transcript = []
  const toolCalls = []
  const timeline = []
  const toolMap = new Map()
  const messages = Array.isArray(payload.messages) ? payload.messages : []
  const base = Date.now() - messages.length * 5000
  let offset = 0

  const nextTimestamp = () => new Date(base + offset++ * 1000).toISOString()

  for (const message of messages) {
    const role = String(message?.role || 'assistant')
    const blocks = Array.isArray(message?.blocks) ? message.blocks : []
    for (const block of blocks) {
      const timestamp = nextTimestamp()
      if (block?.type === 'text') {
        const content = String(block.text || '').trim()
        if (!content) {
          continue
        }
        transcript.push({
          id: createId('session-text'),
          role: role === 'user' ? 'user' : 'assistant',
          entryType: role === 'user' ? 'user' : 'assistant',
          title: role === 'user' ? 'You' : 'Assistant',
          content,
          timestamp,
          streaming: false,
          isError: false,
        })
        continue
      }

      if (block?.type === 'tool_use') {
        const inputPreview = previewValue(block.input, 500)
        const entry = {
          id: block.id || createId('tool'),
          name: block.name || 'tool',
          title: block.name || 'tool',
          status: 'completed',
          inputPreview,
          resultPreview: '',
          startedAt: timestamp,
          completedAt: timestamp,
          diff: null,
        }
        toolMap.set(entry.id, entry)
        transcript.push({
          id: `tool-use-${entry.id}`,
          role: 'tool',
          entryType: 'tool_use',
          title: entry.title,
          content: inputPreview || 'Tool call',
          timestamp,
          streaming: false,