Function DataTab

SettingsModal.tsx:2175–2497

()

}

function DataTab() {
  const store = useStore()
  const { conversations, clearConversations } = store
  const [showConfirm, setShowConfirm] = useState(false)
  const [importStatus, setImportStatus] = useState<'idle' | 'success' | 'error'>('idle')
  const [importMessage, setImportMessage] = useState('')
  const [pendingImport, setPendingImport] = useState<Record<string, unknown> | null>(null)
  const [pendingImportSummary, setPendingImportSummary] = useState('')

  const MAX_IMPORT_SIZE = 10 * 1024 * 1024 // 10 MB

  // Estimate localStorage usage
  const storageUsed = (() => {
    try {
      let total = 0
      for (let i = 0; i < localStorage.length; i++) {
        const key = localStorage.key(i)
        if (key) total += key.length + (localStorage.getItem(key)?.length || 0)
      }
      return total * 2 // UTF-16 = 2 bytes per char
    } catch { return 0 }
  })()
  const STORAGE_CAP = 5 * 1024 * 1024 // ~5 MB typical browser limit
  const storagePercent = Math.min(100, Math.round((storageUsed / STORAGE_CAP) * 100))
  const formatBytes = (b: number) => b < 1024 ? `${b} B` : b < 1048576 ? `${(b / 1024).toFixed(1)} KB` : `${(b / 1048576).toFixed(1)} MB`

  const handleExport = () => {
    // Export everything persisted to localStorage — full self-custody backup.
    // STM modules excluded: transformer functions can't be serialized to JSON.
    // STM enabled/disabled state is restored from defaults on import.
    const exportData = {
      _version: 1,
      _exportedAt: new Date().toISOString(),
      _source: 'g0dm0d3',
      // Conversations (chat history)
      conversations: store.conversations,
      currentConversationId: store.currentConversationId,
      // Settings
      theme: store.theme,
      defaultModel: store.defaultModel,
      currentPersona: store.currentPersona,
      apiKey: store.apiKey,
      // Features
      autoTuneEnabled: store.autoTuneEnabled,
      autoTuneStrategy: store.autoTuneStrategy,
      autoTuneOverrides: store.autoTuneOverrides,
      feedbackState: store.feedbackState,
      parseltongueConfig: store.parseltongueConfig,
      // Memory system
      memories: store.memories,
      memoriesEnabled: store.memoriesEnabled,
      // System prompt
      customSystemPrompt: store.customSystemPrompt,
      useCustomSystemPrompt: store.useCustomSystemPrompt,
      // Mode config
      consortiumEnabled: store.consortiumEnabled,
      consortiumTier: store.consortiumTier,
      liquidResponseEnabled: store.liquidResponseEnabled,