archy/neode-ui/mock-backend.js

#!/usr/bin/env node

/**
 * Archipelago Mock Backend Server
 * Pure Archipelago implementation - NO StartOS dependencies
 * Supports dev modes: setup, onboarding, existing
 */

import express from 'express'
import cors from 'cors'
import cookieParser from 'cookie-parser'
import { WebSocketServer } from 'ws'
import http from 'http'
import { exec } from 'child_process'
import { promisify } from 'util'
import fs from 'fs/promises'
import path from 'path'
import { fileURLToPath } from 'url'
import Docker from 'dockerode'

const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)

const execPromise = promisify(exec)

// Find container socket: Podman (macOS/Linux) or Docker
import { existsSync } from 'fs'

function findContainerSocket() {
  // DOCKER_HOST env var (set by podman machine start)
  if (process.env.DOCKER_HOST) {
    const p = process.env.DOCKER_HOST.replace('unix://', '')
    if (existsSync(p)) return p
  }
  // Podman machine socket (macOS) — check TMPDIR-based path
  if (process.env.TMPDIR) {
    const podmanDir = path.join(path.dirname(process.env.TMPDIR), 'podman')
    const sock = path.join(podmanDir, 'podman-machine-default-api.sock')
    if (existsSync(sock)) return sock
  }
  // Docker socket
  if (existsSync('/var/run/docker.sock')) return '/var/run/docker.sock'
  // Linux podman rootless
  const uid = process.getuid?.() || 1000
  const linuxSock = `/run/user/${uid}/podman/podman.sock`
  if (existsSync(linuxSock)) return linuxSock
  return null
}

const containerSocket = findContainerSocket()
const docker = containerSocket ? new Docker({ socketPath: containerSocket }) : null
if (containerSocket) {
  console.log(`[Container] Socket: ${containerSocket}`)
} else {
  console.log('[Container] No socket found — simulation mode (no Docker/Podman)')
}

const app = express()
const PORT = 5959

// Dev mode from environment (setup, onboarding, existing, boot, or default)
const DEV_MODE = process.env.VITE_DEV_MODE || 'default'

// Boot mode: simulate server startup delay
let BOOT_START_TIME = Date.now()
const BOOT_DELAY_MS = 25000 // 25 seconds of simulated startup (slower for analysis)

// CORS configuration
const corsOptions = {
  credentials: true,
  origin: (origin, callback) => {
    if (!origin) return callback(null, true)
    callback(null, true)
  }
}

app.use(cors(corsOptions))
// Skip JSON body parsing for filebrowser upload routes (binary file bodies)
app.use((req, res, next) => {
  if (req.path.startsWith('/app/filebrowser/api/resources') && req.method === 'POST') {
    return next()
  }
  express.json({ limit: '50mb' })(req, res, next)
})
app.use(cookieParser())

// Mock session storage
const sessions = new Map()
const MOCK_PASSWORD = 'password123'

// Mutable wallet state — faucet/send/receive modify these values
const walletState = {
  onchain_sats: 2_350_000,
  channel_sats: 8_250_000,
  ecash_sats: 250_000,
  ecash_tokens: 12,
  block_height: 892451,
  transactions: [
    { tx_hash: 'ab12cd34ef5678901234567890abcdef12345678', amount_sats: 2_000_000, direction: 'incoming', num_confirmations: 142, block_height: 892310, time_stamp: Math.floor(Date.now()/1000) - 86400, label: 'Channel funding', total_fees: 0, dest_addresses: [] },
    { tx_hash: 'cd34ef5678901234567890abcdef1234567890ab', amount_sats: 250_000, direction: 'incoming', num_confirmations: 28, block_height: 892420, time_stamp: Math.floor(Date.now()/1000) - 7200, label: 'Faucet deposit', total_fees: 0, dest_addresses: [] },
    { tx_hash: 'ff99ee88dd7766554433221100aabbccddeeff00', amount_sats: 100_000, direction: 'incoming', num_confirmations: 0, block_height: 0, time_stamp: Math.floor(Date.now()/1000) - 600, label: 'Incoming from faucet', total_fees: 0, dest_addresses: [] },
  ],
}
function randomHex(bytes) { return Array.from({length: bytes}, () => Math.floor(Math.random()*256).toString(16).padStart(2,'0')).join('') }

const bitcoinRelayMockState = {
  settings: {
    enabled_for_peers: true,
    allow_peer_requests: true,
    allow_http: false,
    allow_https: true,
    allow_tor: true,
    selected_peer_pubkey: '03d9b8a8db6b4f4d8b8d04c7a467c101f04c0ecbabc0e29e4dcb812a3b1c5f8f04',
    http_endpoint: '',
    https_endpoint: 'https://shard.tx1138.com/',
    tor_endpoint: 'http://btc-relay-demoabcdefghijklmnop.onion/',
  },
  trusted_nodes: [
    {
      pubkey: '03d9b8a8db6b4f4d8b8d04c7a467c101f04c0ecbabc0e29e4dcb812a3b1c5f8f04',
      onion: 'trustedalphaabcdefghijklmnop.onion',
      name: 'Trusted Alpha',
      relay_approved: true,
    },
    {
      pubkey: '02f6ab6c88037cd527a92f3a016a7bd18bb2ebd91d5a3efb1161481b5cf7d9ea2a',
      onion: 'trustedbetabcdefghijklmnopq.onion',
      name: 'Trusted Beta',
      relay_approved: false,
    },
  ],
  requests: [
    {
      id: 'relay-demo-incoming',
      direction: 'incoming',
      status: 'pending',
      peer_pubkey: '02f6ab6c88037cd527a92f3a016a7bd18bb2ebd91d5a3efb1161481b5cf7d9ea2a',
      peer_onion: 'trustedbetabcdefghijklmnopq.onion',
      peer_name: 'Trusted Beta',
      message: 'Can I use your node for a Wasabi broadcast?',
      created_at: new Date(Date.now() - 12 * 60 * 1000).toISOString(),
      updated_at: new Date(Date.now() - 12 * 60 * 1000).toISOString(),
    },
  ],
}

// User state (simulated file-based storage)
let userState = {
  setupComplete: false,
  onboardingComplete: false,
  passwordHash: null, // In real app, this would be bcrypt hash
}

let mockState = { analyticsEnabled: false }

// Initialize user state based on dev mode
function initializeUserState() {
  switch (DEV_MODE) {
    case 'setup':
      // Setup mode: Original StartOS node setup - user needs to set password
      // This is the simple password setup, NOT the experimental onboarding
      userState = {
        setupComplete: false, // User hasn't set password yet
        onboardingComplete: false, // Onboarding not relevant for setup mode
        passwordHash: null,
      }
      break
    case 'onboarding':
      // Onboarding mode: Experimental onboarding flow
      // User has set password (via setup) but needs to go through experimental onboarding
      userState = {
        setupComplete: true, // Password already set
        onboardingComplete: false, // Needs experimental onboarding
        passwordHash: MOCK_PASSWORD,
      }
      break
    case 'existing':
      // Existing user: Fully set up, just needs to login
      userState = {
        setupComplete: true,
        onboardingComplete: true,
        passwordHash: MOCK_PASSWORD,
      }
      break
    case 'boot':
      // Boot mode: Simulate server startup delay (shows boot screen)
      // Server responds with 502 for the first 10 seconds, then works like onboarding mode
      userState = {
        setupComplete: true,
        onboardingComplete: false,
        passwordHash: MOCK_PASSWORD,
      }
      break
    default:
      // Default: Fully set up (for UI development)
      userState = {
        setupComplete: true,
        onboardingComplete: true,
        passwordHash: MOCK_PASSWORD,
      }
  }
  console.log(`[Auth] Dev mode: ${DEV_MODE}`)
  console.log(`[Auth] Setup: ${userState.setupComplete}, Onboarding: ${userState.onboardingComplete}`)
}

initializeUserState()

// WebSocket clients for broadcasting updates
const wsClients = new Set()

// Helper: Broadcast data update to all WebSocket clients
function broadcastUpdate(patch) {
  const message = JSON.stringify({
    rev: Date.now(),
    patch: patch
  })
  wsClients.forEach(client => {
    if (client.readyState === 1) { // OPEN
      client.send(message)
    }
  })
}

// Track used ports and running containers
const usedPorts = new Set([5959, 8100])
const runningContainers = new Map()

// Predefined port mappings for known apps
const portMappings = {
  'atob': 8102,
  'k484': 8103,
  'amin': 8104,
  'filebrowser': 8083,
  'bitcoin-knots': 8332,
  'electrs': 50001,
  'btcpay-server': 23000,
  'lnd': 8080,
  'mempool': 4080,
  'homeassistant': 8123,
  'grafana': 3000,
  'searxng': 8888,
  'ollama': 11434,
  'nextcloud': 8082,
  'vaultwarden': 8222,
  'jellyfin': 8096,
  'photoprism': 2342,
  'immich': 2283,
  'portainer': 9443,
  'uptime-kuma': 3001,
  'tailscale': 41641,
  'fedimint': 8175,
  'thunderhub': 3010,
  'nostr-rs-relay': 7000,
  'syncthing': 8384,
  'penpot': 9001,
  'nginx-proxy-manager': 8181,
  'indeedhub': 8190,
  'dwn': 3000,
  'tor': 9050,
}

// Auto-assign port for unknown apps (start at 8200, increment)
let nextAutoPort = 8200

// Helper: Query real Docker containers
async function getDockerContainers() {
  if (!docker) return {}
  try {
    const containers = await docker.listContainers({ all: true })
    
    // Map of container names to app IDs
    const containerMapping = {
      'archy-bitcoin': 'bitcoin',
      'archy-btcpay': 'btcpay-server',
      'archy-homeassistant': 'homeassistant',
      'archy-grafana': 'grafana',
      'archy-endurain': 'endurain',
      'archy-fedimint': 'fedimint',
      'archy-morphos': 'morphos-server',
      'archy-lnd': 'lightning-stack',
      'archy-mempool-web': 'mempool',
      'mempool-electrs': 'mempool-electrs',
      'archy-ollama': 'ollama',
      'archy-searxng': 'searxng',
      'archy-penpot-frontend': 'penpot'
    }

    const apps = {}
    
    for (const container of containers) {
      const name = container.Names[0].replace(/^\//, '')
      const appId = containerMapping[name]
      
      if (!appId) continue
      
      const isRunning = container.State === 'running'
      const ports = container.Ports || []
      const hostPort = ports.find(p => p.PublicPort)?.PublicPort || null
      
      // Get app metadata
      const appMetadata = {
        'bitcoin': {
          title: 'Bitcoin Core',
          icon: '/assets/img/app-icons/bitcoin.svg',
          description: 'Full Bitcoin node implementation'
        },
        'btcpay-server': {
          title: 'BTCPay Server',
          icon: '/assets/img/app-icons/btcpay-server.png',
          description: 'Self-hosted Bitcoin payment processor'
        },
        'homeassistant': {
          title: 'Home Assistant',
          icon: '/assets/img/app-icons/homeassistant.png',
          description: 'Open source home automation platform'
        },
        'grafana': {
          title: 'Grafana',
          icon: '/assets/img/grafana.png',
          description: 'Analytics and monitoring platform'
        },
        'endurain': {
          title: 'Endurain',
          icon: '/assets/img/endurain.png',
          description: 'Application platform'
        },
        'fedimint': {
          title: 'Fedimint',
          icon: '/assets/img/app-icons/fedimint.png',
          description: 'Federated Bitcoin mint'
        },
        'morphos-server': {
          title: 'MorphOS Server',
          icon: '/assets/img/morphos.png',
          description: 'Server platform'
        },
        'lightning-stack': {
          title: 'Lightning Stack',
          icon: '/assets/img/app-icons/lightning-stack.png',
          description: 'Lightning Network (LND)'
        },
        'mempool': {
          title: 'Mempool',
          icon: '/assets/img/app-icons/mempool.png',
          description: 'Bitcoin blockchain explorer'
        },
        'mempool-electrs': {
          title: 'Electrs',
          icon: '/assets/img/app-icons/electrs.svg',
          description: 'Electrum protocol indexer for Bitcoin'
        },
        'ollama': {
          title: 'Ollama',
          icon: '/assets/img/app-icons/ollama.png',
          description: 'Run large language models locally'
        },
        'searxng': {
          title: 'SearXNG',
          icon: '/assets/img/app-icons/searxng.png',
          description: 'Privacy-respecting metasearch engine'
        },
        'penpot': {
          title: 'Penpot',
          icon: '/assets/img/penpot.webp',
          description: 'Open-source design and prototyping'
        }
      }

      const metadata = appMetadata[appId] || {
        title: appId,
        icon: '/assets/icon/pwa-192x192-v2.png',
        description: `${appId} application`
      }

      apps[appId] = {
        title: metadata.title,
        version: '1.0.0',
        status: isRunning ? 'running' : 'stopped',
        state: isRunning ? 'running' : 'stopped',
        health: isRunning ? 'healthy' : null,
        'static-files': {
          license: 'MIT',
          instructions: metadata.description,
          icon: metadata.icon
        },
        manifest: {
          id: appId,
          title: metadata.title,
          version: '1.0.0',
          description: {
            short: metadata.description,
            long: metadata.description
          },
          'release-notes': 'Initial release',
          license: 'MIT',
          'wrapper-repo': '#',
          'upstream-repo': '#',
          'support-site': '#',
          'marketing-site': '#',
          'donation-url': null,
          interfaces: hostPort ? {
            main: {
              name: 'Web Interface',
              description: `${metadata.title} web interface`,
              ui: true
            }
          } : {}
        },
        installed: {
          'current-dependents': {},
          'current-dependencies': {},
          'last-backup': null,
          'interface-addresses': hostPort ? {
            main: {
              'tor-address': `${appId}.onion`,
              'lan-address': `http://localhost:${hostPort}`
            }
          } : {},
          status: isRunning ? 'running' : 'stopped'
        }
      }
    }
    
    return apps
  } catch (error) {
    console.error('[Docker] Error querying containers:', error.message)
    return {}
  }
}

// Helper: Check if Docker/Podman is available
async function isContainerRuntimeAvailable() {
  try {
    // Try Podman first (Archipelago's choice)
    await execPromise('podman ps')
    return { available: true, runtime: 'podman' }
  } catch {
    try {
      // Fallback to Docker
      await execPromise('docker ps')
      return { available: true, runtime: 'docker' }
    } catch {
      return { available: false, runtime: null }
    }
  }
}

// Marketplace metadata lookup for install (title, description, icon, version)
const marketplaceMetadata = {
  'bitcoin-knots': { title: 'Bitcoin Knots', shortDesc: 'Full Bitcoin node — validate and relay blocks and transactions', icon: '/assets/img/app-icons/bitcoin-knots.webp' },
  'electrs': { title: 'Electrs', shortDesc: 'Electrum protocol indexer for Bitcoin', icon: '/assets/img/app-icons/electrs.svg' },
  'btcpay-server': { title: 'BTCPay Server', shortDesc: 'Self-hosted Bitcoin payment processor', icon: '/assets/img/app-icons/btcpay-server.png' },
  'lnd': { title: 'LND', shortDesc: 'Lightning Network Daemon', icon: '/assets/img/app-icons/lnd.svg' },
  'mempool': { title: 'Mempool Explorer', shortDesc: 'Bitcoin blockchain and mempool visualizer', icon: '/assets/img/app-icons/mempool.webp' },
  'homeassistant': { title: 'Home Assistant', shortDesc: 'Open-source home automation platform', icon: '/assets/img/app-icons/homeassistant.png' },
  'grafana': { title: 'Grafana', shortDesc: 'Analytics and monitoring dashboards', icon: '/assets/img/app-icons/grafana.png' },
  'searxng': { title: 'SearXNG', shortDesc: 'Privacy-respecting metasearch engine', icon: '/assets/img/app-icons/searxng.png' },
  'ollama': { title: 'Ollama', shortDesc: 'Run large language models locally', icon: '/assets/img/app-icons/ollama.png' },
  'penpot': { title: 'Penpot', shortDesc: 'Open-source design and prototyping platform', icon: '/assets/img/app-icons/penpot.webp' },
  'nextcloud': { title: 'Nextcloud', shortDesc: 'Self-hosted cloud storage and collaboration', icon: '/assets/img/app-icons/nextcloud.webp' },
  'vaultwarden': { title: 'Vaultwarden', shortDesc: 'Self-hosted password manager (Bitwarden-compatible)', icon: '/assets/img/app-icons/vaultwarden.webp' },
  'jellyfin': { title: 'Jellyfin', shortDesc: 'Free media server for movies, music, and photos', icon: '/assets/img/app-icons/jellyfin.webp' },
  'photoprism': { title: 'PhotoPrism', shortDesc: 'AI-powered photo management', icon: '/assets/img/app-icons/photoprism.svg' },
  'immich': { title: 'Immich', shortDesc: 'High-performance photo and video backup', icon: '/assets/img/app-icons/immich.png' },
  'filebrowser': { title: 'File Browser', shortDesc: 'Web-based file manager', icon: '/assets/img/app-icons/file-browser.webp' },
  'nginx-proxy-manager': { title: 'Nginx Proxy Manager', shortDesc: 'Easy proxy management with SSL', icon: '/assets/img/app-icons/nginx.svg' },
  'portainer': { title: 'Portainer', shortDesc: 'Container management UI', icon: '/assets/img/app-icons/portainer.webp' },
  'uptime-kuma': { title: 'Uptime Kuma', shortDesc: 'Self-hosted monitoring tool', icon: '/assets/img/app-icons/uptime-kuma.webp' },
  'tailscale': { title: 'Tailscale', shortDesc: 'Zero-config VPN for secure remote access', icon: '/assets/img/app-icons/tailscale.webp' },
  'fedimint': { title: 'Fedimint', shortDesc: 'Federated Bitcoin mint with Guardian UI', icon: '/assets/img/app-icons/fedimint.png' },
  'indeedhub': { title: 'Indeehub', shortDesc: 'Bitcoin documentary streaming platform', icon: '/assets/img/app-icons/indeedhub.png' },
  'dwn': { title: 'Decentralized Web Node', shortDesc: 'Store and sync personal data with DID-based access', icon: '/assets/img/app-icons/dwn.svg' },
  'nostr-rs-relay': { title: 'Nostr Relay', shortDesc: 'Run your own Nostr relay', icon: '/assets/img/app-icons/nostr-rs-relay.svg' },
  'syncthing': { title: 'Syncthing', shortDesc: 'Peer-to-peer file synchronization', icon: '/assets/img/app-icons/syncthing.png' },
  'thunderhub': { title: 'ThunderHub', shortDesc: 'Lightning node management UI with channel management and payments', icon: '/assets/img/app-icons/thunderhub.svg' },
  'tor': { title: 'Tor', shortDesc: 'Anonymous communication over the Tor network', icon: '/assets/img/app-icons/tor.png' },
  'amin': { title: 'Amin', shortDesc: 'Administrative interface for Archipelago', icon: '/assets/icon/pwa-192x192-v2.png' },
}

// Helper: Install package with container runtime (if available) or simulate
async function installPackage(id, manifestUrl, opts = {}) {
  console.log(`[Package] 📦 Installing ${id}...`)

  try {
    // Check if already installed
    if (mockData['package-data'][id]) {
      throw new Error(`Package ${id} is already installed`)
    }

    const version = opts.version || '0.1.0'
    const runtime = await isContainerRuntimeAvailable()

    // Get package metadata from marketplace lookup, then fallback
    const metadata = marketplaceMetadata[id] || {
      title: id.split('-').map(w => w.charAt(0).toUpperCase() + w.slice(1)).join(' '),
      shortDesc: `${id} application`,
      icon: `/assets/img/app-icons/${id}.png`
    }

    // Determine port — use known mapping, or auto-assign a unique one
    let assignedPort = portMappings[id]
    if (!assignedPort) {
      while (usedPorts.has(nextAutoPort)) nextAutoPort++
      assignedPort = nextAutoPort++
    }
    usedPorts.add(assignedPort)
    
    let containerMode = false
    let actuallyRunning = false
    
    // Try to run with container runtime if available
    if (runtime.available) {
      try {
        console.log(`[Package] 🐳 ${runtime.runtime} available, attempting to run container...`)
        
        const containerName = `${id}-archipelago`
        const stopCmd = runtime.runtime === 'podman' 
          ? `podman stop ${containerName} 2>/dev/null || true`
          : `docker stop ${containerName} 2>/dev/null || true`
        const rmCmd = runtime.runtime === 'podman'
          ? `podman rm ${containerName} 2>/dev/null || true`
          : `docker rm ${containerName} 2>/dev/null || true`
        
        // Stop and remove existing container if it exists
        await execPromise(stopCmd)
        await execPromise(rmCmd)
        
        // Check if image exists
        const imageCheckCmd = runtime.runtime === 'podman'
          ? `podman images -q ${id}:${version}`
          : `docker images -q ${id}:${version}`
        
        let { stdout } = await execPromise(imageCheckCmd)
        
        if (stdout.trim()) {
          // Image exists, start container
          const runCmd = runtime.runtime === 'podman'
            ? `podman run -d --name ${containerName} -p ${assignedPort}:80 ${id}:${version}`
            : `docker run -d --name ${containerName} -p ${assignedPort}:80 ${id}:${version}`
          
          await execPromise(runCmd)
          
          // Wait for container to be ready
          await new Promise(resolve => setTimeout(resolve, 2000))
          
          // Verify container is running
          const statusCmd = runtime.runtime === 'podman'
            ? `podman ps --filter name=${containerName} --format "{{.Status}}"`
            : `docker ps --filter name=${containerName} --format "{{.Status}}"`
          
          const { stdout: containerStatus } = await execPromise(statusCmd)
          
          if (containerStatus.includes('Up')) {
            containerMode = true
            actuallyRunning = true
            runningContainers.set(id, { 
              port: assignedPort, 
              containerId: containerName, 
              runtime: runtime.runtime 
            })
            console.log(`[Package] 🐳 ${runtime.runtime} container running on port ${assignedPort}`)
          }
        } else {
          console.log(`[Package] ℹ️  Container image ${id}:${version} not found, using simulation mode`)
        }
      } catch (containerError) {
        console.log(`[Package] ⚠️  Container error (${containerError.message}), falling back to simulation`)
      }
    } else {
      console.log(`[Package] ℹ️  Container runtime not available, using simulation mode`)
    }
    
    // If container didn't work, simulate installation
    if (!containerMode) {
      await new Promise(resolve => setTimeout(resolve, 1500))
      runningContainers.set(id, { port: assignedPort, containerId: null, runtime: null })
    }
    
    // Add to mock data using staticApp format for consistency
    mockData['package-data'][id] = {
      ...staticApp({
        id,
        title: metadata.title,
        version,
        shortDesc: metadata.shortDesc,
        longDesc: metadata.shortDesc,
        state: 'running',
        lanPort: assignedPort,
        icon: metadata.icon,
      }),
      port: assignedPort,
      containerMode: containerMode,
      actuallyRunning: actuallyRunning,
    }
    
    // Broadcast update
    broadcastUpdate([
      {
        op: 'add',
        path: `/package-data/${id}`,
        value: mockData['package-data'][id]
      }
    ])
    
    if (containerMode) {
      console.log(`[Package] ✅ ${id} installed and RUNNING at http://localhost:${assignedPort}`)
    } else {
      console.log(`[Package] ✅ ${id} installed (simulated)`)
    }
    
    return { success: true, port: assignedPort, containerMode }
    
  } catch (error) {
    console.error(`[Package] ❌ Installation failed:`, error.message)
    throw error
  }
}

// Helper: Uninstall package
async function uninstallPackage(id) {
  console.log(`[Package] 🗑️  Uninstalling ${id}...`)
  
  try {
    if (staticDevApps[id]) {
      throw new Error(`${id} is a demo app and cannot be uninstalled`)
    }
    if (!mockData['package-data'][id]) {
      throw new Error(`Package ${id} is not installed`)
    }
    
    // Stop container if it's running
    const containerInfo = runningContainers.get(id)
    if (containerInfo && containerInfo.containerId) {
      try {
        const runtime = containerInfo.runtime || 'docker'
        const stopCmd = runtime === 'podman'
          ? `podman stop ${containerInfo.containerId} 2>/dev/null || true`
          : `docker stop ${containerInfo.containerId} 2>/dev/null || true`
        const rmCmd = runtime === 'podman'
          ? `podman rm ${containerInfo.containerId} 2>/dev/null || true`
          : `docker rm ${containerInfo.containerId} 2>/dev/null || true`
        
        console.log(`[Package] 🐳 Stopping container ${containerInfo.containerId}...`)
        await execPromise(stopCmd)
        await execPromise(rmCmd)
        console.log(`[Package] 🐳 Container stopped`)
      } catch (error) {
        console.log(`[Package] ⚠️  Error stopping container: ${error.message}`)
      }
    }
    
    await new Promise(resolve => setTimeout(resolve, 1000))
    
    const port = mockData['package-data'][id].port
    if (port) {
      usedPorts.delete(port)
    }
    
    runningContainers.delete(id)
    delete mockData['package-data'][id]
    
    broadcastUpdate([
      {
        op: 'remove',
        path: `/package-data/${id}`
      }
    ])
    
    console.log(`[Package] ✅ ${id} uninstalled successfully`)
    return { success: true }
    
  } catch (error) {
    console.error(`[Package] ❌ Uninstall failed:`, error.message)
    throw error
  }
}

// Mock data
const mockData = {
  'server-info': {
    id: 'archipelago-demo',
    version: '0.1.0',
    name: 'Archipelago',
    pubkey: 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
    'status-info': {
      restarting: false,
      'shutting-down': false,
      updated: false,
      'backup-progress': null,
      'update-progress': null,
    },
    'lan-address': 'localhost',
    'tor-address': 'archydemox7k3pnw4hv5qz2jcbr6dwefys3ockqzf4mzjlvxot2ioad.onion',
    unread: 3,
    'wifi-ssids': ['Home-5G', 'Archipelago-Mesh', 'Neighbors-Open'],
    'zram-enabled': true,
  },
  'package-data': {},  // Will be populated from Docker + static apps
  ui: {
    name: 'Archipelago',
    'ack-welcome': '0.1.0',
    marketplace: {
      'selected-hosts': [],
      'known-hosts': {},
    },
    theme: 'dark',
  },
}

// Helper to build a static app entry
function staticApp({ id, title, version, shortDesc, longDesc, license, state, lanPort, torHost, icon }) {
  return {
    title,
    version,
    status: state,
    state,
    'static-files': {
      license: license || 'MIT',
      instructions: shortDesc,
      icon: icon || `/assets/img/app-icons/${id}.png`,
    },
    manifest: {
      id,
      title,
      version,
      description: { short: shortDesc, long: longDesc || shortDesc },
      'release-notes': 'Latest stable release',
      license: license || 'MIT',
      'wrapper-repo': '#',
      'upstream-repo': '#',
      'support-site': '#',
      'marketing-site': '#',
      'donation-url': null,
      interfaces: {
        main: { name: 'Web Interface', description: `${title} web interface`, ui: true },
      },
    },
    installed: {
      'current-dependents': {},
      'current-dependencies': {},
      'last-backup': null,
      'interface-addresses': {
        main: {
          'tor-address': torHost ? `${torHost}.onion` : `${id}.onion`,
          'lan-address': lanPort ? `http://localhost:${lanPort}` : '',
        },
      },
      status: state,
    },
  }
}

// Static dev apps (always shown in My Apps when using mock backend)
const staticDevApps = {
  'bitcoin-knots': staticApp({
    id: 'bitcoin-knots',
    title: 'Bitcoin Knots',
    version: '27.1',
    shortDesc: 'Full Bitcoin node',
    longDesc: 'Validate and relay Bitcoin blocks and transactions with the Archipelago custom node UI.',
    state: 'running',
    lanPort: 8334,
    icon: '/assets/img/app-icons/bitcoin-knots.webp',
  }),
  bitcoin: staticApp({
    id: 'bitcoin',
    title: 'Bitcoin Core',
    version: '27.1',
    shortDesc: 'Full Bitcoin node',
    longDesc: 'Validate every transaction and block. Full consensus enforcement — the bedrock of sovereignty.',
    state: 'running',
    lanPort: 8332,
  }),
  lnd: staticApp({
    id: 'lnd',
    title: 'LND',
    version: '0.18.3',
    shortDesc: 'Lightning Network Daemon',
    longDesc: 'Instant Bitcoin payments with near-zero fees. Open channels, route payments, earn sats.',
    state: 'running',
    lanPort: 8080,
  }),
  electrs: staticApp({
    id: 'electrs',
    title: 'Electrs',
    version: '0.10.6',
    shortDesc: 'Electrum Server in Rust',
    longDesc: 'Private blockchain indexing for wallet lookups. Connect Sparrow, BlueWallet, or any Electrum-compatible wallet.',
    state: 'running',
    lanPort: 50001,
  }),
  mempool: staticApp({
    id: 'mempool',
    title: 'Mempool',
    version: '3.0.0',
    shortDesc: 'Blockchain explorer & fee estimator',
    longDesc: 'Real-time mempool visualization, transaction tracking, and fee estimation — all on your own node.',
    license: 'AGPL-3.0',
    state: 'running',
    lanPort: 4080,
  }),
  lorabell: staticApp({
    id: 'lorabell',
    title: 'LoraBell',
    version: '1.0.0',
    shortDesc: 'LoRa doorbell',
    longDesc: 'Receive doorbell notifications over LoRa radio — no WiFi or internet required.',
    state: 'running',
    lanPort: null,
  }),
  meshtastic: staticApp({
    id: 'meshtastic',
    title: 'Meshtastic',
    version: '2-daily-alpine',
    shortDesc: 'LoRa mesh networking',
    longDesc: 'Open-source mesh networking for LoRa radios. Create decentralized communication networks.',
    state: 'running',
    lanPort: 4403,
    icon: '/assets/img/app-icons/meshcore.svg',
  }),
  filebrowser: staticApp({
    id: 'filebrowser',
    title: 'File Browser',
    version: '2.27.0',
    shortDesc: 'Web-based file manager',
    longDesc: 'Browse, upload, and manage files through an elegant web interface. Drag-and-drop uploads, media previews, and sharing.',
    state: 'running',
    lanPort: 8083,
    icon: '/assets/img/app-icons/file-browser.webp',
  }),
  thunderhub: staticApp({
    id: 'thunderhub',
    title: 'ThunderHub',
    version: '0.13.31',
    shortDesc: 'Lightning node management UI',
    longDesc: 'Full Lightning node management — channels, payments, routing fees, and node health. Connect to your LND and manage everything from one dashboard.',
    state: 'running',
    lanPort: 3010,
  }),
  fedimint: staticApp({
    id: 'fedimint',
    title: 'Fedimint',
    version: '0.10.0',
    shortDesc: 'Federated Bitcoin mint',
    longDesc: 'Federated Chaumian e-cash mint with Guardian UI. Community custody, private payments, and Lightning gateways.',
    state: 'running',
    lanPort: 8175,
  }),
}

function mergePackageData(dockerApps) {
  return { ...dockerApps, ...staticDevApps }
}

// Initialize package data from Docker on startup
async function initializePackageData() {
  console.log('[Docker] Querying running containers...')
  const dockerApps = await getDockerContainers()
  mockData['package-data'] = mergePackageData(dockerApps)
  
  const appCount = Object.keys(mockData['package-data']).length
  const runningCount = Object.values(mockData['package-data']).filter(app => app.state === 'running').length
  
  console.log(`[Docker] Found ${appCount} containers (${runningCount} running)`)
  
  if (appCount > 0) {
    console.log('[Docker] Apps detected:')
    Object.entries(mockData['package-data']).forEach(([id, app]) => {
      const port = app.installed?.['interface-addresses']?.main?.['lan-address']
      console.log(`  - ${app.title} (${app.state})${port ? ` → ${port}` : ''}`)
    })
  } else {
    console.log('[Docker] No containers found. Start docker-compose to see apps.')
  }
}

// Handle CORS preflight
app.options('/rpc/v1', (req, res) => {
  res.status(200).end()
})

app.get('/', (_req, res) => {
  const uiPort = process.env.VITE_DEV_SERVER_PORT || '8102'
  res
    .status(200)
    .type('html')
    .send(`<!doctype html>
<html>
  <head>
    <meta charset="utf-8">
    <meta http-equiv="refresh" content="0; url=http://localhost:${uiPort}/">
    <title>Archipelago dev backend</title>
  </head>
  <body>
    <p>This is the mock JSON-RPC backend. Open the dashboard at
      <a href="http://localhost:${uiPort}/">http://localhost:${uiPort}/</a>.
    </p>
  </body>
</html>`)
})

app.get('/rpc/v1', (_req, res) => {
  const uiPort = process.env.VITE_DEV_SERVER_PORT || '8102'
  res
    .status(405)
    .type('text/plain')
    .send(`JSON-RPC is available at /rpc/v1 for POST requests only.\nOpen the dashboard at http://localhost:${uiPort}/.\n`)
})

function mockBitcoinBlockchainInfo() {
  return {
    chain: 'main',
    blocks: 902418,
    headers: 902418,
    bestblockhash: randomHex(32),
    difficulty: 126_984_812_384_099.3,
    verificationprogress: 0.999998,
    initialblockdownload: false,
    size_on_disk: 678_000_000_000,
    pruned: false,
    chainwork: '00000000000000000000000000000000000000008d4b42d8b9b0000000000000',
  }
}

function mockBitcoinNetworkInfo() {
  return {
    version: 270100,
    subversion: '/Satoshi:27.1/Knots:20240513/',
    protocolversion: 70016,
    localservices: '0000000000000409',
    localrelay: true,
    timeoffset: 0,
    networkactive: true,
    connections: 18,
    networks: [
      { name: 'ipv4', limited: false, reachable: true, proxy: '', proxy_randomize_credentials: false },
      { name: 'onion', limited: false, reachable: true, proxy: '127.0.0.1:9050', proxy_randomize_credentials: true },
    ],
  }
}

function bitcoinRelayStatusPayload() {
  return {
    settings: bitcoinRelayMockState.settings,
    trusted_nodes: bitcoinRelayMockState.trusted_nodes,
    requests: bitcoinRelayMockState.requests,
    local_node: {
      synced: true,
      blocks: 902418,
      headers: 902418,
      chain: 'main',
      status_ok: true,
      status_stale: false,
      error: null,
    },
    credentials: {
      username: 'txrelay',
      available: true,
      password_available: true,
      rpcauth_available: true,
      client_env_available: true,
      client_env_path: '/var/lib/archipelago/secrets/bitcoin-rpc-txrelay-client.env',
      restart_hint: 'If this was just generated, restart Bitcoin Core/Knots so bitcoind loads the txrelay rpcauth whitelist.',
    },
  }
}

app.get('/app/bitcoin-ui/', async (_req, res) => {
  try {
    const html = await fs.readFile(path.join(__dirname, '..', 'docker', 'bitcoin-ui', 'index.html'), 'utf8')
    res.type('html').send(html)
  } catch (error) {
    res.status(500).type('text/plain').send(`Unable to load Bitcoin UI mock: ${error.message}`)
  }
})

app.get('/app/bitcoin-ui/bitcoin-status', (_req, res) => {
  res.json({
    ok: true,
    stale: false,
    updated_at_ms: Date.now(),
    error: null,
    blockchain_info: mockBitcoinBlockchainInfo(),
    network_info: mockBitcoinNetworkInfo(),
    index_info: {
      txindex: { synced: true, best_block_height: 902418 },
      blockfilterindex: { synced: true, best_block_height: 902418 },
    },
    zmq_notifications: [
      { type: 'pubhashblock', address: 'tcp://127.0.0.1:28332', hwm: 1000 },
      { type: 'pubrawtx', address: 'tcp://127.0.0.1:28333', hwm: 1000 },
    ],
  })
})

app.post('/app/bitcoin-ui/bitcoin-rpc/', (req, res) => {
  const { id = 'bitcoin-ui', method } = req.body || {}
  const results = {
    getblockchaininfo: mockBitcoinBlockchainInfo(),
    getnetworkinfo: mockBitcoinNetworkInfo(),
    getindexinfo: {
      txindex: { synced: true, best_block_height: 902418 },
      blockfilterindex: { synced: true, best_block_height: 902418 },
    },
    getzmqnotifications: [
      { type: 'pubhashblock', address: 'tcp://127.0.0.1:28332', hwm: 1000 },
      { type: 'pubrawtx', address: 'tcp://127.0.0.1:28333', hwm: 1000 },
    ],
    getmempoolinfo: { loaded: true, size: 18452, bytes: 62400000, usage: 143000000, maxmempool: 300000000 },
    getpeerinfo: Array.from({ length: 18 }, (_, index) => ({ id: index, addr: `198.51.100.${index + 10}:8333`, inbound: index % 3 === 0 })),
  }
  if (!Object.prototype.hasOwnProperty.call(results, method)) {
    return res.json({ id, result: null, error: { code: -32601, message: `Method not found: ${method}` } })
  }
  res.json({ id, result: results[method], error: null })
})

app.post('/app/bitcoin-ui/rpc/v1', (req, res) => {
  const { method, params = {} } = req.body || {}
  const now = new Date().toISOString()
  switch (method) {
    case 'bitcoin.relay-status':
      return res.json({ result: bitcoinRelayStatusPayload(), error: null })
    case 'bitcoin.relay-update-settings':
      bitcoinRelayMockState.settings = {
        ...bitcoinRelayMockState.settings,
        ...params,
      }
      return res.json({ result: bitcoinRelayStatusPayload(), error: null })
    case 'bitcoin.relay-request-peer': {
      const peer = bitcoinRelayMockState.trusted_nodes.find(p => p.pubkey === params.peer_pubkey)
      if (!peer) return res.status(400).json({ error: { message: 'Peer is not in trusted nodes' } })
      const request = {
        id: `relay-demo-${Date.now()}`,
        direction: 'outbound',
        status: 'pending',
        peer_pubkey: peer.pubkey,
        peer_onion: peer.onion,
        peer_name: peer.name,
        message: params.message || '',
        created_at: now,
        updated_at: now,
      }
      bitcoinRelayMockState.requests.push(request)
      return res.json({ result: { ok: true, request_id: request.id }, error: null })
    }
    case 'bitcoin.relay-approve-request':
    case 'bitcoin.relay-reject-request': {
      const requestId = params.id || params.request_id
      const request = bitcoinRelayMockState.requests.find(r => r.id === requestId)
      if (!request) return res.status(404).json({ error: { message: `Request not found: ${requestId}` } })
      request.status = method.endsWith('approve-request') ? 'approved' : 'rejected'
      request.updated_at = now
      if (request.status === 'approved') {
        request.approved_endpoint = bitcoinRelayMockState.settings.https_endpoint || bitcoinRelayMockState.settings.tor_endpoint || bitcoinRelayMockState.settings.http_endpoint
        request.credential_secret_path = '/var/lib/archipelago/secrets/bitcoin-relay-peer-demo.env'
      }
      return res.json({ result: { ok: true, request_id: request.id }, error: null })
    }
    case 'bitcoin.relay-create-tor-service':
      bitcoinRelayMockState.settings.allow_tor = true
      bitcoinRelayMockState.settings.tor_endpoint = 'http://btc-relay-demoabcdefghijklmnop.onion/'
      return res.json({
        result: {
          created: true,
          name: 'bitcoin-rpc',
          onion_address: 'btc-relay-demoabcdefghijklmnop.onion',
        },
        error: null,
      })
    default:
      return res.status(404).json({ error: { message: `Unknown mock Bitcoin UI RPC method: ${method}` } })
  }
})

// RPC endpoint
app.post('/rpc/v1', (req, res) => {
  const { method, params } = req.body
  console.log(`[RPC] ${method}`)

  // Boot mode: return 502 during simulated startup delay
  if (DEV_MODE === 'boot') {
    // Reset boot timer when browser does a fresh page load (server.echo with 'boot' message)
    if (method === 'server.echo' && params?.message === 'boot-reset') {
      BOOT_START_TIME = Date.now()
      console.log(`[Boot] Timer RESET — simulating ${BOOT_DELAY_MS / 1000}s startup`)
      return res.status(502).json({ error: 'Server starting up (reset)' })
    }
    const elapsed = Date.now() - BOOT_START_TIME
    if (elapsed < BOOT_DELAY_MS) {
      const secs = Math.round(elapsed / 1000)
      const total = Math.round(BOOT_DELAY_MS / 1000)
      console.log(`[Boot] Server starting... ${secs}s / ${total}s`)
      return res.status(502).json({ error: 'Server starting up' })
    }
    if (elapsed < BOOT_DELAY_MS + 2000) {
      console.log(`[Boot] Server is now READY (took ${Math.round(elapsed / 1000)}s)`)
    }
  }

  try {
    switch (method) {
      // Authentication endpoints
      case 'auth.setup': {
        const { password } = params
        
        if (!password || password.length < 8) {
          return res.json({
            error: {
              code: -32602,
              message: 'Password must be at least 8 characters',
            },
          })
        }
        
        // Set up user
        userState.setupComplete = true
        userState.passwordHash = password // In real app, bcrypt hash
        
        console.log(`[Auth] User setup completed`)
        
        return res.json({ result: { success: true } })
      }

      case 'auth.isSetup': {
        return res.json({ result: userState.setupComplete })
      }

      case 'auth.onboardingComplete': {
        userState.onboardingComplete = true
        console.log(`[Auth] Onboarding completed`)
        return res.json({ result: true })
      }

      case 'auth.isOnboardingComplete': {
        return res.json({ result: userState.onboardingComplete })
      }

      case 'auth.resetOnboarding': {
        userState.onboardingComplete = false
        console.log('[Auth] Onboarding reset')
        return res.json({ result: true })
      }

      case 'node.did': {
        const mockDid = 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH'
        const mockPubkey = 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456'
        return res.json({ result: { did: mockDid, pubkey: mockPubkey } })
      }
      case 'node.nostr-publish': {
        return res.json({ result: { event_id: 'mock-event-id', success: 2, failed: 0 } })
      }
      case 'node.nostr-pubkey': {
        return res.json({ result: { nostr_pubkey: 'mock-nostr-pubkey-hex' } })
      }

      case 'node.signChallenge': {
        const { challenge } = params || {}
        const mockSig = Buffer.from(`mock-sig-${challenge || 'challenge'}`).toString('hex')
        return res.json({ result: { signature: mockSig } })
      }

      case 'identity.verify': {
        return res.json({ result: { valid: true } })
      }

      // BIP-39 seed management (mock for dev mode)
      case 'seed.generate': {
        const mockWords = [
          'abandon', 'ability', 'able', 'about', 'above', 'absent',
          'absorb', 'abstract', 'absurd', 'abuse', 'access', 'accident',
          'account', 'accuse', 'achieve', 'acid', 'acoustic', 'acquire',
          'across', 'act', 'action', 'actor', 'actress', 'actual'
        ]
        return res.json({ result: { words: mockWords } })
      }
      case 'seed.verify': {
        const mockDid = 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH'
        return res.json({ result: { verified: true, did: mockDid, nostr_npub: 'npub1mock...' } })
      }
      case 'seed.restore': {
        const mockDid = 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH'
        return res.json({ result: { did: mockDid, nostr_npub: 'npub1mock...', restored: true } })
      }
      case 'seed.save-encrypted': {
        return res.json({ result: { saved: true } })
      }
      case 'seed.status': {
        return res.json({ result: { has_seed: true, is_legacy: false, identity_count: 1, next_index: 1 } })
      }

      case 'node.createBackup': {
        const { passphrase } = params || {}
        if (!passphrase) {
          return res.json({ error: { code: -32602, message: 'Missing passphrase' } })
        }
        const mockDid = 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH'
        const mockPubkey = 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456'
        return res.json({
          result: {
            version: 1,
            did: mockDid,
            pubkey: mockPubkey,
            kid: `${mockDid}#key-1`,
            encrypted: true,
            blob: Buffer.from(`mock-encrypted-backup-${passphrase}`).toString('base64'),
            timestamp: new Date().toISOString(),
          },
        })
      }

      case 'auth.login': {
        const { password } = params
        
        if (!userState.setupComplete) {
          return res.json({
            error: {
              code: -32603,
              message: 'User not set up. Please complete setup first.',
            },
          })
        }
        
        // Simple password check (in real app, use bcrypt)
        if (password !== userState.passwordHash && password !== MOCK_PASSWORD) {
          return res.json({
            error: {
              code: -32603,
              message: 'Password Incorrect',
            },
          })
        }

        const sessionId = `session-${Date.now()}`
        sessions.set(sessionId, {
          createdAt: new Date(),
        })

        res.cookie('session', sessionId, {
          httpOnly: true,
          maxAge: 24 * 60 * 60 * 1000,
        })

        return res.json({ result: null })
      }

      case 'auth.logout': {
        const sessionId = req.cookies?.session
        if (sessionId) {
          sessions.delete(sessionId)
        }
        res.clearCookie('session')
        return res.json({ result: null })
      }

      case 'server.set-name': {
        const name = (params?.name || '').trim()
        if (!name || name.length > 64) {
          return res.json({ error: { code: -1, message: 'Name must be 1-64 characters' } })
        }
        mockData['server-info'].name = name
        broadcastUpdate()
        return res.json({ result: { name } })
      }

      case 'server.echo': {
        return res.json({ result: { message: params?.message || 'Hello from Archipelago!' } })
      }

      case 'server.time': {
        return res.json({
          result: {
            now: new Date().toISOString(),
            uptime: process.uptime(),
          },
        })
      }

      case 'server.metrics': {
        // Slightly randomize so the dashboard feels alive
        return res.json({
          result: {
            cpu: +(12 + Math.random() * 18).toFixed(1),
            memory: +(58 + Math.random() * 8).toFixed(1),
            disk: +(34 + Math.random() * 3).toFixed(1),
          },
        })
      }

      case 'marketplace.get': {
        const mockApps = [
          {
            id: 'bitcoin',
            title: 'Bitcoin Core',
            description: 'Full Bitcoin node — validate transactions, enforce consensus rules, and support the network. The foundation of sovereignty.',
            version: '27.1',
            icon: '/assets/img/app-icons/bitcoin.png',
            author: 'Bitcoin Core',
            license: 'MIT',
            category: 'Bitcoin',
          },
          {
            id: 'lnd',
            title: 'LND',
            description: 'Lightning Network Daemon — instant, low-fee Bitcoin payments. Open channels, route payments, earn routing fees.',
            version: '0.18.3',
            icon: '/assets/img/app-icons/lnd.png',
            author: 'Lightning Labs',
            license: 'MIT',
            category: 'Bitcoin',
          },
          {
            id: 'electrs',
            title: 'Electrs',
            description: 'Electrum Server in Rust — index the blockchain for fast wallet lookups. Connect your hardware wallets privately.',
            version: '0.10.6',
            icon: '/assets/img/app-icons/electrs.png',
            author: 'Roman Zeyde',
            license: 'MIT',
            category: 'Bitcoin',
          },
          {
            id: 'mempool',
            title: 'Mempool',
            description: 'Bitcoin blockchain explorer and mempool visualizer. Monitor transactions, fees, and network activity in real time.',
            version: '3.0.0',
            icon: '/assets/img/app-icons/mempool.png',
            author: 'Mempool Space',
            license: 'AGPL-3.0',
            category: 'Bitcoin',
          },
          {
            id: 'btcpay',
            title: 'BTCPay Server',
            description: 'Self-hosted Bitcoin payment processor. Accept Bitcoin payments in your store — no fees, no middlemen, no KYC.',
            version: '2.0.4',
            icon: '/assets/img/app-icons/btcpay.png',
            author: 'BTCPay Server',
            license: 'MIT',
            category: 'Commerce',
          },
          {
            id: 'fedimint',
            title: 'Fedimint',
            description: 'Federated Chaumian e-cash mint — community custody, private payments, and Lightning gateways for your tribe.',
            version: '0.10.0',
            icon: '/assets/img/app-icons/fedimint.png',
            author: 'Fedimint',
            license: 'MIT',
            category: 'Bitcoin',
          },
          {
            id: 'thunderhub',
            title: 'ThunderHub',
            description: 'Lightning node management UI — manage channels, send and receive payments, view routing fees, and monitor your node health.',
            version: '0.13.31',
            icon: '/assets/img/app-icons/thunderhub.svg',
            author: 'Anthony Potdevin',
            license: 'MIT',
            category: 'Bitcoin',
          },
          {
            id: 'vaultwarden',
            title: 'Vaultwarden',
            description: 'Self-hosted password manager compatible with Bitwarden clients. Keep your credentials under your own roof.',
            version: '1.32.5',
            icon: '/assets/img/app-icons/vaultwarden.png',
            author: 'Vaultwarden',
            license: 'AGPL-3.0',
            category: 'Privacy',
          },
          {
            id: 'nextcloud',
            title: 'Nextcloud',
            description: 'Your personal cloud — files, calendar, contacts, and collaboration. Replace Google Drive and Dropbox entirely.',
            version: '29.0.0',
            icon: '/assets/img/app-icons/nextcloud.png',
            author: 'Nextcloud GmbH',
            license: 'AGPL-3.0',
            category: 'Cloud',
          },
          {
            id: 'nostr-relay',
            title: 'Nostr Relay',
            description: 'Run your own Nostr relay — sovereign social networking. Publish notes, follow friends, no censorship possible.',
            version: '0.34.0',
            icon: '/assets/img/app-icons/nostr-relay.png',
            author: 'nostr-rs-relay',
            license: 'MIT',
            category: 'Social',
          },
          {
            id: 'home-assistant',
            title: 'Home Assistant',
            description: 'Open-source home automation — control lights, locks, cameras, and sensors. Smart home without the cloud dependency.',
            version: '2024.12.0',
            icon: '/assets/img/app-icons/home-assistant.png',
            author: 'Home Assistant',
            license: 'Apache-2.0',
            category: 'IoT',
          },
          {
            id: 'syncthing',
            title: 'Syncthing',
            description: 'Continuous peer-to-peer file synchronization. Sync folders across devices without any cloud service.',
            version: '1.28.1',
            icon: '/assets/img/app-icons/syncthing.png',
            author: 'Syncthing Foundation',
            license: 'MPL-2.0',
            category: 'Cloud',
          },
          {
            id: 'tor',
            title: 'Tor',
            description: 'Anonymous communication — route traffic through the Tor network. Access your node from anywhere, privately.',
            version: '0.4.8.13',
            icon: '/assets/img/app-icons/tor.png',
            author: 'Tor Project',
            license: 'BSD-3',
            category: 'Privacy',
          },
        ]

        return res.json({ result: mockApps })
      }

      case 'server.update':
      case 'server.restart':
      case 'server.shutdown': {
        return res.json({ result: 'ok' })
      }

      case 'package.install': {
        const { id, url, dockerImage, version } = params

        installPackage(id, url, { dockerImage, version }).catch(err => {
          console.error(`[RPC] Installation failed:`, err.message)
        })

        return res.json({ result: `job-${Date.now()}` })
      }

      case 'package.uninstall': {
        const { id } = params
        
        uninstallPackage(id).catch(err => {
          console.error(`[RPC] Uninstall failed:`, err.message)
        })
        
        return res.json({ result: 'ok' })
      }

      case 'package.start':
      case 'package.stop':
      case 'package.restart': {
        return res.json({ result: 'ok' })
      }

      case 'auth.totp.status': {
        return res.json({ result: { enabled: false } })
      }

      case 'auth.totp.setup.begin': {
        return res.json({
          result: {
            qr_svg: '<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200"><rect width="200" height="200" fill="#fff"/><text x="100" y="100" text-anchor="middle" font-size="12" fill="#333">Mock QR Code</text></svg>',
            secret_base32: 'JBSWY3DPEHPK3PXP',
            pending_token: 'mock-pending-token',
          },
        })
      }

      case 'auth.totp.setup.confirm': {
        return res.json({
          result: {
            enabled: true,
            backup_codes: ['ABCD-EFGH', 'JKLM-NPQR', 'STUV-WXYZ', '2345-6789', 'ABCD-2345', 'EFGH-6789', 'JKLM-STUV', 'NPQR-WXYZ'],
          },
        })
      }

      case 'auth.totp.disable': {
        return res.json({ result: { disabled: true } })
      }

      case 'auth.login.totp':
      case 'auth.login.backup': {
        return res.json({ result: { success: true } })
      }

      // =========================================================================
      // Identity & Onboarding
      // =========================================================================
      case 'identity.create': {
        const { name, purpose } = params || {}
        console.log(`[Identity] Created identity: "${name || 'Personal'}" (${purpose || 'personal'})`)
        return res.json({ result: { success: true, id: `identity-${Date.now()}` } })
      }

      case 'identity.register-name': {
        const { name } = params || {}
        console.log(`[Identity] Registered name: ${name}`)
        return res.json({ result: { success: true, id: `name-${Date.now()}` } })
      }

      case 'identity.remove-name': {
        return res.json({ result: { success: true } })
      }

      case 'identity.set-default': {
        return res.json({ result: { success: true } })
      }

      case 'identity.delete': {
        return res.json({ result: { success: true } })
      }

      case 'identity.issue-credential': {
        return res.json({ result: { success: true, credential_id: `cred-${Date.now()}` } })
      }

      case 'identity.revoke-credential': {
        return res.json({ result: { success: true } })
      }

      case 'identity.list': {
        return res.json({
          result: {
            identities: [
              {
                id: 'id-primary',
                name: 'Primary',
                purpose: 'Main node identity',
                pubkey: 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
                did: 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH',
                created_at: '2026-01-10T08:00:00Z',
                is_default: true,
                nostr_pubkey: 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
                nostr_npub: 'npub1mockprimaryidentitypubkeyvalue0000000000000000000000000abc',
                profile: {
                  display_name: 'Archipelago Node',
                  about: 'Self-sovereign Bitcoin node',
                  nip05: 'satoshi@archipelago.local',
                  lud16: 'satoshi@getalby.com',
                },
              },
              {
                id: 'id-anon',
                name: 'Anonymous',
                purpose: 'Privacy-focused browsing',
                pubkey: 'f6e5d4c3b2a19876543210fedcba9876543210fedcba9876543210fedcba98',
                did: 'did:key:z6MkvWkza1fMBWhKnYE3CgMgxHLKbN8NmbFRqHcECF4oGrwx',
                created_at: '2026-02-14T12:30:00Z',
                is_default: false,
                nostr_pubkey: 'f6e5d4c3b2a19876543210fedcba9876543210fedcba9876543210fedcba98',
                nostr_npub: 'npub1mockanonidentitypubkeyvalue000000000000000000000000000xyz',
                profile: { display_name: 'Anon' },
              },
              {
                id: 'id-merchant',
                name: 'Merchant',
                purpose: 'BTCPay & commerce',
                pubkey: '1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef',
                did: 'did:key:z6MknGc3ocHs3zdPiJbnaaqDi58NGb4pk1Sp9WNhSwaxN21V',
                created_at: '2026-03-01T16:00:00Z',
                is_default: false,
                nostr_pubkey: '1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef',
                nostr_npub: 'npub1mockmerchantidentitypubkeyvalue000000000000000000000000def',
                profile: { display_name: 'My Shop', website: 'https://myshop.onion' },
              },
            ],
          },
        })
      }

      case 'identity.get': {
        const id = params?.id || 'id-primary'
        return res.json({
          result: {
            id,
            name: 'Primary',
            purpose: 'Main node identity',
            pubkey: 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
            did: 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH',
            created_at: '2026-01-10T08:00:00Z',
            is_default: true,
            nostr_pubkey: 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
            nostr_npub: 'npub1mockprimaryidentitypubkeyvalue0000000000000000000000000abc',
            profile: {
              display_name: 'Archipelago Node',
              about: 'Self-sovereign Bitcoin node',
            },
          },
        })
      }

      case 'identity.export-keys': {
        return res.json({
          result: {
            ed25519_secret_hex: 'deadbeef'.repeat(8),
            nostr_secret_hex: 'cafebabe'.repeat(8),
            nostr_nsec: 'nsec1mockexportedkeyvalue00000000000000000000000000000000000abc',
          },
        })
      }

      case 'identity.update-profile': {
        return res.json({ result: { success: true } })
      }

      case 'identity.publish-profile': {
        return res.json({ result: { event_id: `evt-${Date.now().toString(36)}` } })
      }

      case 'identity.list': {
        return res.json({
          result: {
            identities: [
              {
                id: 'id-primary',
                name: 'Primary',
                purpose: 'personal',
                pubkey: 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
                did: 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH',
                created_at: '2026-01-10T08:00:00Z',
                is_default: true,
                nostr_pubkey: 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
                nostr_npub: 'npub1598eg0y7m08htfzjfmzv6zjvf5u7p00dr9w0yfamaxqhkwlryckq5dh9ee',
                profile: {
                  display_name: 'Satoshi',
                  about: 'Running a sovereign Bitcoin node',
                  nip05: 'satoshi@archipelago.local',
                  lud16: 'satoshi@getalby.com',
                },
              },
              {
                id: 'id-business',
                name: 'Business',
                purpose: 'business',
                pubkey: 'f6e5d4c3b2a10987654321fedcba0987654321fedcba0987654321fedcba0987',
                did: 'did:key:z6MkhaXgBZDvotDkL5257faiztiGiC2ReMkBe4bR6XBIDNq9',
                created_at: '2026-02-05T12:30:00Z',
                is_default: false,
                nostr_pubkey: 'f6e5d4c3b2a10987654321fedcba0987654321fedcba0987654321fedcba0987',
                nostr_npub: 'npub17m9mx9kk2ry8p3xfkq0070fjlph9r9l0dj0y8fn0zrlj80ekjph7jxmxfg',
                profile: {
                  display_name: 'Archy Consulting',
                  about: 'Bitcoin infrastructure services',
                },
              },
              {
                id: 'id-anon',
                name: 'Anonymous',
                purpose: 'anonymous',
                pubkey: 'deadbeef00112233445566778899aabbccddeeff00112233445566778899aabb',
                did: 'did:key:z6MknGc3ocHs3zdPiJbnaaqDi5hjrZo4HzmQnwzaxWhAbWAs',
                created_at: '2026-03-01T18:00:00Z',
                is_default: false,
                profile: {},
              },
            ],
          },
        })
      }

      case 'identity.get': {
        const id = params?.id || 'id-primary'
        const identities = {
          'id-primary': {
            id: 'id-primary', name: 'Primary', purpose: 'personal',
            pubkey: 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
            did: 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH',
            nostr_pubkey: 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
            nostr_npub: 'npub1598eg0y7m08htfzjfmzv6zjvf5u7p00dr9w0yfamaxqhkwlryckq5dh9ee',
            is_default: true, created_at: '2026-01-10T08:00:00Z',
            profile: { display_name: 'Satoshi', about: 'Running a sovereign Bitcoin node' },
          },
        }
        return res.json({ result: identities[id] || identities['id-primary'] })
      }

      case 'identity.export-keys': {
        const { password } = params || {}
        if (password !== MOCK_PASSWORD) {
          return res.json({ error: { code: -32603, message: 'Incorrect password' } })
        }
        return res.json({
          result: {
            ed25519_secret_hex: 'mock_ed25519_secret_' + '0'.repeat(40),
            nostr_secret_hex: 'mock_nostr_secret_' + '0'.repeat(44),
            nostr_nsec: 'nsec1mockkeymockkeymockkeymockkeymockkeymockkeymockkeymockkeymo',
          },
        })
      }

      case 'identity.update-profile': {
        console.log(`[Identity] Updated profile for: ${params?.id}`)
        return res.json({ result: { success: true } })
      }

      case 'identity.publish-profile': {
        console.log(`[Identity] Published profile for: ${params?.id}`)
        return res.json({ result: { event_id: `nostr-event-${Date.now().toString(36)}` } })
      }

      // =========================================================================
      // Nostr
      // =========================================================================
      case 'nostr.add-relay': {
        const { url } = params || {}
        console.log(`[Nostr] Added relay: ${url}`)
        return res.json({ result: { success: true } })
      }

      case 'nostr.remove-relay': {
        return res.json({ result: { success: true } })
      }

      case 'nostr.toggle-relay': {
        return res.json({ result: { success: true } })
      }

      // =========================================================================
      // Content & Network
      // =========================================================================
      case 'content.browse-peer': {
        const onion = params?.onion || ''
        return res.json({
          result: {
            items: [
              { id: 'peer-doc-1', filename: 'Bitcoin Whitepaper.pdf', mime_type: 'application/pdf', size_bytes: 184292, description: 'The original Bitcoin whitepaper by Satoshi Nakamoto', access: 'free' },
              { id: 'peer-img-1', filename: 'node-setup-guide.png', mime_type: 'image/png', size_bytes: 524800, description: 'Visual guide for setting up a Bitcoin node', access: 'free' },
              { id: 'peer-vid-1', filename: 'Lightning Demo.mp4', mime_type: 'video/mp4', size_bytes: 15728640, description: 'Lightning Network payment channel demo', access: { paid: { price_sats: 500 } } },
            ],
          },
        })
      }

      case 'content.remove': {
        return res.json({ result: { success: true } })
      }

      case 'content.set-pricing': {
        return res.json({ result: { success: true } })
      }

      case 'network.diagnostics': {
        return res.json({
          result: {
            wan_ip: '82.14.203.47',
            nat_type: 'Full Cone',
            upnp_available: true,
            tor_connected: true,
            wifi_count: 3,
          },
        })
      }

      case 'network.list-interfaces': {
        return res.json({
          result: {
            interfaces: [
              { name: 'eth0', type: 'ethernet', state: 'up', mac: 'a8:a1:59:3c:f2:10', ipv4: ['192.168.1.228/24'] },
              { name: 'wlan0', type: 'wifi', state: 'up', mac: 'dc:a6:32:12:ab:cd', ipv4: ['192.168.1.230/24'] },
              { name: 'lo', type: 'loopback', state: 'up', mac: '00:00:00:00:00:00', ipv4: ['127.0.0.1/8'] },
              { name: 'podman0', type: 'bridge', state: 'up', mac: '2e:f4:8a:11:22:33', ipv4: ['10.89.0.1/16'] },
              { name: 'tailscale0', type: 'tunnel', state: 'up', mac: '', ipv4: ['100.82.97.63/32'] },
            ],
          },
        })
      }

      case 'network.scan-wifi': {
        return res.json({
          result: {
            networks: [
              { ssid: 'HomeNetwork', signal: 92, security: 'WPA2' },
              { ssid: 'Neighbor-5G', signal: 45, security: 'WPA3' },
              { ssid: 'CoffeeShop', signal: 30, security: 'Open' },
            ],
          },
        })
      }

      case 'network.configure-wifi': {
        console.log(`[Network] Connecting to WiFi: ${params?.ssid}`)
        return res.json({ result: { success: true } })
      }

      case 'network.dns-status': {
        return res.json({
          result: {
            provider: 'system',
            servers: ['1.1.1.1', '9.9.9.9'],
            doh_enabled: false,
            doh_url: null,
            resolv_conf_servers: ['1.1.1.1', '9.9.9.9'],
          },
        })
      }

      case 'network.configure-dns': {
        console.log(`[Network] DNS configured: ${params?.provider}`)
        return res.json({ result: { success: true } })
      }

      case 'network.accept-request': {
        return res.json({ result: { success: true } })
      }

      case 'network.reject-request': {
        return res.json({ result: { success: true } })
      }

      // =========================================================================
      // Server & Auth extras
      // =========================================================================
      case 'server.health': {
        return res.json({
          result: {
            status: 'healthy',
            uptime: Math.floor(process.uptime()),
            services: {
              backend: 'running',
              nginx: 'running',
              podman: 'running',
              tor: 'running',
            },
          },
        })
      }

      case 'auth.changePassword': {
        const { currentPassword } = params || {}
        if (currentPassword !== userState.passwordHash && currentPassword !== MOCK_PASSWORD) {
          return res.json({ error: { code: -32603, message: 'Current password is incorrect' } })
        }
        userState.passwordHash = params.newPassword
        console.log('[Auth] Password changed')
        return res.json({ result: { success: true } })
      }

      // =========================================================================
      // Router (port forwarding)
      // =========================================================================
      case 'router.add-forward': {
        console.log(`[Router] Added forward: ${JSON.stringify(params)}`)
        return res.json({ result: { success: true, id: `fwd-${Date.now()}` } })
      }

      case 'router.remove-forward': {
        return res.json({ result: { success: true } })
      }

      case 'router.list-forwards': {
        return res.json({
          result: {
            forwards: [
              { id: 'fwd-1', name: 'Bitcoin P2P', external_port: 8333, internal_port: 8333, protocol: 'tcp', enabled: true },
              { id: 'fwd-2', name: 'LND gRPC', external_port: 10009, internal_port: 10009, protocol: 'tcp', enabled: true },
            ],
          },
        })
      }

      // =========================================================================
      // Tor & Peer Networking
      // =========================================================================
      case 'tor.list-services': {
        return res.json({
          result: {
            tor_running: true,
            services: [
              { name: 'archipelago', local_port: 5678, onion_address: 'archydemox7k3pnw4hv5qz2jcbr6dwefys3ockqzf4mzjlvxot2ioad.onion', enabled: true, unauthenticated: false, protocol: false },
              { name: 'bitcoin', local_port: 8333, onion_address: 'btcmockxj4k5pnw7hv8qz9jcbr2dwefys6ockqzf1mzjlvxot5ioad.onion', enabled: true, unauthenticated: false, protocol: false },
              { name: 'lnd', local_port: 9735, onion_address: 'lndmockab3c4def5ghi6jkl7mno8pqr9stu0vwx1yz2ab3c4def5ghi.onion', enabled: true, unauthenticated: false, protocol: false },
              { name: 'electrs', local_port: 50001, onion_address: 'elecmockyz9wvu8tsr7qpo6nml5kji4hgf3edc2ba1xyz9wvu8tsr7q.onion', enabled: true, unauthenticated: true, protocol: false },
              { name: 'nostr-relay', local_port: 7777, onion_address: null, enabled: false, unauthenticated: true, protocol: false },
            ],
          },
        })
      }

      case 'node.tor-address': {
        return res.json({
          result: {
            tor_address: 'archydemox7k3pnw4hv5qz2jcbr6dwefys3ockqzf4mzjlvxot2ioad.onion',
          },
        })
      }

      case 'node-list-peers': {
        return res.json({
          result: {
            peers: [
              { onion: 'peer1abc2def3ghi4jkl5mno6pqr7stu8vwx9yz.onion', pubkey: 'a1b2c3d4e5f6', name: 'satoshi-node' },
              { onion: 'peer2xyz9wvu8tsr7qpo6nml5kji4hgf3edc2ba.onion', pubkey: 'f6e5d4c3b2a1', name: 'lightning-lab' },
              { onion: 'peer3mno6pqr7stu8vwx9yzabc2def3ghi4jkl5.onion', pubkey: 'c3d4e5f6a1b2', name: 'sovereign-relay' },
            ],
          },
        })
      }

      case 'node-check-peer': {
        return res.json({ result: { onion: params?.onion || '', reachable: Math.random() > 0.2 } })
      }

      case 'node-add-peer': {
        console.log(`[Peers] Added peer: ${params?.onion}`)
        return res.json({ result: { success: true } })
      }

      case 'node-send-message': {
        console.log(`[Peers] Sent message to: ${params?.onion}`)
        return res.json({ result: { ok: true, sent_to: params?.onion || '' } })
      }

      case 'node-nostr-discover': {
        return res.json({
          result: {
            nodes: [
              { did: 'did:key:z6MkhaXgBZDvotDkL5257faiztiGiC2ReMkBe4bR6XBIDNq9', onion: 'disc1abc2def3ghi4jkl5mno6pqr7stu8vwx9yz.onion', pubkey: 'disc1pub', node_address: '192.168.1.50' },
              { did: 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH', onion: 'disc2xyz9wvu8tsr7qpo6nml5kji4hgf3edc2ba.onion', pubkey: 'disc2pub', node_address: '192.168.1.51' },
            ],
          },
        })
      }

      case 'node-messages-received':
      case 'node.messages': {
        return res.json({
          result: {
            messages: [
              { from_pubkey: 'a1b2c3d4e5f6', message: 'Hey, your relay is online! Nice uptime.', timestamp: new Date(Date.now() - 3600000).toISOString() },
              { from_pubkey: 'f6e5d4c3b2a1', message: 'Channel opened successfully. 500k sats capacity.', timestamp: new Date(Date.now() - 7200000).toISOString() },
              { from_pubkey: 'c3d4e5f6a1b2', message: 'Backup sync complete. All good on my end.', timestamp: new Date(Date.now() - 86400000).toISOString() },
            ],
          },
        })
      }

      case 'node.notifications': {
        return res.json({
          result: [
            {
              id: 'notif-1',
              type: 'info',
              title: 'Bitcoin Core synced',
              message: 'Blockchain fully synced at block 892,451. IBD complete.',
              timestamp: new Date(Date.now() - 1800000).toISOString(),
              read: false,
            },
            {
              id: 'notif-2',
              type: 'success',
              title: 'LND channel opened',
              message: 'Channel opened with ACINQ (500,000 sats capacity). 6 confirmations received.',
              timestamp: new Date(Date.now() - 7200000).toISOString(),
              read: false,
            },
            {
              id: 'notif-3',
              type: 'warning',
              title: 'Disk usage above 80%',
              message: 'Storage at 82% capacity. Consider pruning old blockchain data or expanding storage.',
              timestamp: new Date(Date.now() - 14400000).toISOString(),
              read: true,
            },
            {
              id: 'notif-4',
              type: 'info',
              title: 'System update available',
              message: 'Archipelago v0.1.1 is available. Review changelog before updating.',
              timestamp: new Date(Date.now() - 86400000).toISOString(),
              read: true,
            },
            {
              id: 'notif-5',
              type: 'success',
              title: 'Fedimint guardian connected',
              message: 'Guardian consensus achieved. Mint is operational with 3/4 guardians online.',
              timestamp: new Date(Date.now() - 43200000).toISOString(),
              read: false,
            },
          ],
        })
      }

      // =====================================================================
      // Federation (multi-node clusters)
      // =====================================================================
      case 'federation.list-nodes': {
        return res.json({
          result: {
            nodes: [
              {
                did: 'did:key:z6MkhaXgBZDvotDkL5257faiztiGiC2ReMkBe4bR6XBIDNq9',
                pubkey: 'a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2',
                onion: 'peer1abc2def3ghi4jkl5mno6pqr7stu8vwx9yz.onion',
                trust_level: 'trusted',
                added_at: '2026-02-15T10:30:00Z',
                name: 'archy-198',
                last_seen: new Date(Date.now() - 120000).toISOString(),
                last_state: {
                  timestamp: new Date(Date.now() - 120000).toISOString(),
                  apps: [
                    { id: 'bitcoin-knots', status: 'running', version: '27.1' },
                    { id: 'lnd', status: 'running', version: '0.18.0' },
                    { id: 'mempool', status: 'running', version: '3.0' },
                    { id: 'electrs', status: 'running', version: '0.10.0' },
                  ],
                  cpu_usage_percent: 18.3,
                  mem_used_bytes: 6_200_000_000,
                  mem_total_bytes: 16_000_000_000,
                  disk_used_bytes: 820_000_000_000,
                  disk_total_bytes: 1_800_000_000_000,
                  uptime_secs: 604800,
                  tor_active: true,
                },
              },
              {
                did: 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH',
                pubkey: 'f6e5d4c3b2a1f6e5d4c3b2a1f6e5d4c3b2a1f6e5d4c3b2a1f6e5d4c3b2a1f6e5',
                onion: 'peer2xyz9wvu8tsr7qpo6nml5kji4hgf3edc2ba.onion',
                trust_level: 'trusted',
                added_at: '2026-03-01T14:00:00Z',
                name: 'arch-tailscale-1',
                last_seen: new Date(Date.now() - 300000).toISOString(),
                last_state: {
                  timestamp: new Date(Date.now() - 300000).toISOString(),
                  apps: [
                    { id: 'bitcoin-knots', status: 'running', version: '27.1' },
                    { id: 'lnd', status: 'running', version: '0.18.0' },
                    { id: 'nextcloud', status: 'running', version: '29.0' },
                  ],
                  cpu_usage_percent: 42.1,
                  mem_used_bytes: 10_500_000_000,
                  mem_total_bytes: 32_000_000_000,
                  disk_used_bytes: 1_200_000_000_000,
                  disk_total_bytes: 2_000_000_000_000,
                  uptime_secs: 259200,
                  tor_active: true,
                },
              },
              {
                did: 'did:key:z6MkrHKPxJP6tvCvXMaJKZd3rRA2Y44tyftVhR8FDCMKGFjb',
                pubkey: 'c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4',
                onion: 'peer3mno6pqr7stu8vwx9yzabc2def3ghi4jkl5.onion',
                trust_level: 'observer',
                added_at: '2026-03-10T09:15:00Z',
                name: 'bunker-alpha',
                last_seen: new Date(Date.now() - 3600000).toISOString(),
                last_state: {
                  timestamp: new Date(Date.now() - 3600000).toISOString(),
                  apps: [
                    { id: 'bitcoin-knots', status: 'running', version: '27.1' },
                    { id: 'vaultwarden', status: 'running', version: '1.31.0' },
                  ],
                  cpu_usage_percent: 5.8,
                  mem_used_bytes: 2_100_000_000,
                  mem_total_bytes: 8_000_000_000,
                  disk_used_bytes: 450_000_000_000,
                  disk_total_bytes: 1_000_000_000_000,
                  uptime_secs: 1209600,
                  tor_active: false,
                },
              },
            ],
          },
        })
      }

      case 'federation.invite': {
        const mockCode = 'fed1:' + Buffer.from(JSON.stringify({
          did: 'did:key:z6MkTest228NodeInvite',
          onion: 'self228abc2def3ghi4jkl5mno6pqr7stu8vwx.onion',
          pubkey: 'aabbccdd',
          token: 'mock-invite-token-' + Date.now(),
        })).toString('base64url')
        return res.json({
          result: {
            code: mockCode,
            did: 'did:key:z6MkTest228NodeInvite',
            onion: 'self228abc2def3ghi4jkl5mno6pqr7stu8vwx.onion',
          },
        })
      }

      case 'federation.join': {
        console.log(`[Federation] Joining with code: ${params?.code?.substring(0, 20)}...`)
        return res.json({
          result: {
            joined: true,
            node: {
              did: 'did:key:z6MkNewJoinedNode',
              onion: 'newnode123abc456def789ghi012jkl345mno6pqr.onion',
              pubkey: 'ddeeff11',
              trust_level: 'trusted',
            },
          },
        })
      }

      case 'federation.sync-state': {
        return res.json({
          result: {
            synced: 3,
            failed: 0,
            results: [
              { did: 'did:key:z6MkhaXgBZDvotDkL5257faiztiGiC2ReMkBe4bR6XBIDNq9', status: 'synced', apps: 4 },
              { did: 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH', status: 'synced', apps: 3 },
              { did: 'did:key:z6MkrHKPxJP6tvCvXMaJKZd3rRA2Y44tyftVhR8FDCMKGFjb', status: 'synced', apps: 2 },
            ],
          },
        })
      }

      case 'federation.set-trust': {
        console.log(`[Federation] Set trust: ${params?.did} -> ${params?.trust_level}`)
        return res.json({ result: { updated: true, did: params?.did, trust_level: params?.trust_level } })
      }

      case 'federation.remove-node': {
        console.log(`[Federation] Remove node: ${params?.did}`)
        return res.json({ result: { removed: true, nodes_remaining: 2 } })
      }

      case 'federation.deploy-app': {
        console.log(`[Federation] Deploy app: ${params?.app_id} to ${params?.target_did}`)
        return res.json({ result: { deployed: true, app_id: params?.app_id } })
      }

      // =====================================================================
      // DWN (Decentralized Web Node)
      // =====================================================================
      case 'dwn.status': {
        return res.json({
          result: {
            running: true,
            protocols_registered: 3,
            messages_stored: 47,
            peers_synced: 2,
            last_sync: new Date(Date.now() - 600000).toISOString(),
            protocols: [
              { uri: 'https://archipelago.dev/protocols/node-identity/v1', published: true, messages: 12 },
              { uri: 'https://archipelago.dev/protocols/federation/v1', published: false, messages: 28 },
              { uri: 'https://archipelago.dev/protocols/app-deploy/v1', published: false, messages: 7 },
            ],
          },
        })
      }

      case 'dwn.sync': {
        console.log('[DWN] Syncing with peers...')
        return res.json({ result: { synced: true, messages_pulled: 5, messages_pushed: 3 } })
      }

      // =====================================================================
      // Mesh Networking (LoRa radio via Meshcore)
      // =====================================================================
      case 'mesh.status': {
        globalThis.__meshHeaders ||= { announce_block_headers: false, receive_block_headers: true }
        return res.json({
          result: {
            enabled: true,
            device_type: 'Meshcore',
            device_path: '/dev/ttyUSB0',
            device_connected: true,
            firmware_version: '2.3.1',
            self_node_id: 42,
            self_advert_name: 'archy-228',
            peer_count: 4,
            channel_name: 'archipelago',
            messages_sent: 23,
            messages_received: 47,
            detected_devices: ['/dev/ttyUSB0'],
            announce_block_headers: globalThis.__meshHeaders.announce_block_headers,
            receive_block_headers: globalThis.__meshHeaders.receive_block_headers,
          },
        })
      }

      case 'mesh.peers': {
        return res.json({
          result: {
            peers: [
              {
                contact_id: 1,
                advert_name: 'archy-198',
                did: 'did:key:z6MkhaXgBZDvotDkL5257faiztiGiC2ReMkBe4bR6XBIDNq9',
                pubkey_hex: 'a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2',
                rssi: -67,
                snr: 9.5,
                last_heard: new Date(Date.now() - 30000).toISOString(),
                hops: 0,
              },
              {
                contact_id: 2,
                advert_name: 'satoshi-relay',
                did: 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH',
                pubkey_hex: 'f6e5d4c3b2a1f6e5d4c3b2a1f6e5d4c3b2a1f6e5d4c3b2a1f6e5d4c3b2a1f6e5',
                rssi: -82,
                snr: 4.2,
                last_heard: new Date(Date.now() - 120000).toISOString(),
                hops: 1,
              },
              {
                contact_id: 3,
                advert_name: 'mountain-node',
                did: null,
                pubkey_hex: null,
                rssi: -95,
                snr: 1.8,
                last_heard: new Date(Date.now() - 600000).toISOString(),
                hops: 2,
              },
              {
                contact_id: 4,
                advert_name: 'bunker-alpha',
                did: 'did:key:z6MkrHKPxJP6tvCvXMaJKZd3rRA2Y44tyftVhR8FDCMKGFjb',
                pubkey_hex: 'c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4',
                rssi: -74,
                snr: 7.1,
                last_heard: new Date(Date.now() - 45000).toISOString(),
                hops: 0,
              },
            ],
            count: 4,
          },
        })
      }

      case 'mesh.messages': {
        const limit = params?.limit || 100
        const now = Date.now()
        const allMessages = [
          { id: 1, direction: 'received', peer_contact_id: 1, peer_name: 'archy-198', plaintext: 'Node online. Bitcoin Knots synced to tip.', timestamp: new Date(now - 3600000).toISOString(), delivered: true, encrypted: true, message_type: 'text' },
          { id: 2, direction: 'sent', peer_contact_id: 1, peer_name: 'archy-198', plaintext: 'Good. Electrs index at 98%. Channel capacity 2.5M sats.', timestamp: new Date(now - 3540000).toISOString(), delivered: true, encrypted: true, message_type: 'text' },
          { id: 3, direction: 'received', peer_contact_id: 2, peer_name: 'satoshi-relay', plaintext: 'Block #890,413 relayed. Fees avg 12 sat/vB.', timestamp: new Date(now - 3000000).toISOString(), delivered: true, encrypted: true, message_type: 'block_header', typed_payload: { alert_type: 'block_header', message: 'Block #890,413 — 2,847 txs, 12 sat/vB avg fee', signed: true } },
          { id: 4, direction: 'received', peer_contact_id: 1, peer_name: 'archy-198', plaintext: 'Invoice: 50,000 sats — Channel opening fee', timestamp: new Date(now - 1800000).toISOString(), delivered: true, encrypted: true, message_type: 'invoice', typed_payload: { bolt11: 'lnbc500000n1pjmesh...truncated...', amount_sats: 50000, memo: 'Channel opening fee', paid: false } },
          { id: 5, direction: 'sent', peer_contact_id: 4, peer_name: 'bunker-alpha', plaintext: 'Running mesh-only mode. No internet for 48h. All good.', timestamp: new Date(now - 900000).toISOString(), delivered: true, encrypted: true, message_type: 'text' },
          { id: 6, direction: 'received', peer_contact_id: 4, peer_name: 'bunker-alpha', plaintext: 'Copy. Block height 890,412 via compact headers.', timestamp: new Date(now - 840000).toISOString(), delivered: true, encrypted: true, message_type: 'text' },
          { id: 7, direction: 'received', peer_contact_id: 3, peer_name: 'mountain-node', plaintext: 'EMERGENCY: Solar array failure. Running on battery reserve.', timestamp: new Date(now - 600000).toISOString(), delivered: true, encrypted: false, message_type: 'alert', typed_payload: { alert_type: 'emergency', message: 'Solar array failure. Running on battery reserve. ETA 4h before shutdown.', coordinate: { lat: 39507400, lng: -106042800, label: 'Mountain relay site' }, signed: true } },
          { id: 8, direction: 'sent', peer_contact_id: 1, peer_name: 'archy-198', plaintext: 'Opening 1M sat channel to your node. Approve?', timestamp: new Date(now - 300000).toISOString(), delivered: true, encrypted: true, message_type: 'text' },
          { id: 9, direction: 'received', peer_contact_id: 1, peer_name: 'archy-198', plaintext: 'Approved. Waiting for funding tx confirmation.', timestamp: new Date(now - 240000).toISOString(), delivered: true, encrypted: true, message_type: 'text' },
          { id: 10, direction: 'sent', peer_contact_id: 3, peer_name: 'mountain-node', plaintext: 'Location shared', timestamp: new Date(now - 120000).toISOString(), delivered: true, encrypted: false, message_type: 'coordinate', typed_payload: { lat: 30267200, lng: -97743100, label: 'Supply drop point' } },
          { id: 11, direction: 'received', peer_contact_id: 4, peer_name: 'bunker-alpha', plaintext: 'Dead man switch check-in. All systems nominal. Battery 78%.', timestamp: new Date(now - 60000).toISOString(), delivered: true, encrypted: true, message_type: 'alert', typed_payload: { alert_type: 'status', message: 'All systems nominal. Battery 78%. Mesh uptime 14d.', signed: true } },
          { id: 12, direction: 'received', peer_contact_id: 1, peer_name: 'archy-198', plaintext: 'Invoice paid: 50,000 sats', timestamp: new Date(now - 30000).toISOString(), delivered: true, encrypted: true, message_type: 'invoice', typed_payload: { bolt11: 'lnbc500000n1pjmesh...truncated...', amount_sats: 50000, memo: 'Channel opening fee', paid: true, payment_hash: 'a1b2c3d4e5f6...' } },
        ]
        return res.json({
          result: {
            messages: allMessages.slice(0, limit),
            count: allMessages.length,
          },
        })
      }

      case 'mesh.send': {
        const contactId = params?.contact_id
        const message = params?.message || ''
        const peer = [
          { id: 1, name: 'archy-198', encrypted: true },
          { id: 2, name: 'satoshi-relay', encrypted: true },
          { id: 3, name: 'mountain-node', encrypted: false },
          { id: 4, name: 'bunker-alpha', encrypted: true },
        ].find(p => p.id === contactId)
        console.log(`[Mesh] Send to ${peer?.name || contactId}: ${message}`)
        return res.json({
          result: {
            sent: true,
            message_id: Math.floor(Math.random() * 10000) + 100,
            encrypted: peer?.encrypted ?? false,
          },
        })
      }

      case 'mesh.broadcast': {
        console.log('[Mesh] Broadcasting identity over LoRa')
        return res.json({ result: { broadcast: true } })
      }

      case 'mesh.configure': {
        console.log(`[Mesh] Configure:`, params)
        globalThis.__meshHeaders ||= { announce_block_headers: false, receive_block_headers: true }
        if (params && typeof params.announce_block_headers === 'boolean') globalThis.__meshHeaders.announce_block_headers = params.announce_block_headers
        if (params && typeof params.receive_block_headers === 'boolean') globalThis.__meshHeaders.receive_block_headers = params.receive_block_headers
        return res.json({ result: { configured: true, ...globalThis.__meshHeaders } })
      }

      case 'mesh.send-invoice': {
        console.log(`[Mesh] Send invoice: ${params?.amount_sats} sats to contact ${params?.contact_id}`)
        return res.json({
          result: {
            sent: true,
            message_id: Math.floor(Math.random() * 10000) + 200,
            amount_sats: params?.amount_sats,
            bolt11: `lnbc${params?.amount_sats}n1pjmesh...`,
          },
        })
      }

      case 'mesh.send-coordinate': {
        console.log(`[Mesh] Send coordinate: ${params?.lat}, ${params?.lng} to contact ${params?.contact_id}`)
        return res.json({
          result: {
            sent: true,
            message_id: Math.floor(Math.random() * 10000) + 300,
            lat: Math.round((params?.lat || 0) * 1000000),
            lng: Math.round((params?.lng || 0) * 1000000),
          },
        })
      }

      case 'mesh.send-alert': {
        console.log(`[Mesh] Send alert: ${params?.alert_type} — ${params?.message}`)
        return res.json({
          result: {
            sent: true,
            alert_type: params?.alert_type || 'status',
            signed: true,
          },
        })
      }

      case 'mesh.outbox': {
        return res.json({
          result: {
            messages: [
              {
                id: 1,
                dest_did: 'did:key:z6MkrHKPxJP6tvCvXMaJKZd3rRA2Y44tyftVhR8FDCMKGFjb',
                from_did: 'did:key:z6MkSelf',
                created_at: new Date(Date.now() - 1800000).toISOString(),
                ttl_secs: 86400,
                retry_count: 3,
                relay_hops: 0,
                expired: false,
              },
              {
                id: 2,
                dest_did: 'did:key:z6MknGc3ocHs3zdPiJbnaaqDi58NGb4pk1Sp7NQD5EjEREWh',
                from_did: 'did:key:z6MkSelf',
                created_at: new Date(Date.now() - 7200000).toISOString(),
                ttl_secs: 86400,
                retry_count: 8,
                relay_hops: 1,
                expired: false,
              },
            ],
            count: 2,
          },
        })
      }

      case 'mesh.session-status': {
        const hasSess = (params?.contact_id === 1 || params?.contact_id === 4)
        return res.json({
          result: {
            has_session: hasSess,
            forward_secrecy: hasSess,
            message_count: hasSess ? 23 : 0,
            ratchet_generation: hasSess ? 7 : 0,
            peer_did: hasSess ? 'did:key:z6MkhaXgBZDvotDkL5257faiztiGiC2ReMkBe4bR6XBIDNq9' : null,
          },
        })
      }

      case 'mesh.rotate-prekeys': {
        console.log('[Mesh] Rotating prekeys...')
        return res.json({
          result: {
            rotated: true,
            signed_prekey_id: Math.floor(Math.random() * 1000000),
            one_time_prekeys: 10,
          },
        })
      }

      case 'mesh.deadman-status': {
        return res.json({
          result: {
            dead_man_enabled: false,
            dead_man_interval_secs: 21600,
            time_remaining_secs: 21600,
            triggered: false,
            has_gps: false,
            emergency_contacts: 2,
          },
        })
      }

      case 'mesh.deadman-configure': {
        const { enabled, interval_secs } = params || {}
        console.log(`[Mesh] Deadman configured: enabled=${enabled}, interval=${interval_secs}`)
        return res.json({
          result: {
            dead_man_enabled: enabled ?? false,
            dead_man_interval_secs: interval_secs ?? 21600,
            time_remaining_secs: interval_secs ?? 21600,
            triggered: false,
            has_gps: false,
            emergency_contacts: 2,
          },
        })
      }

      case 'mesh.deadman-checkin': {
        return res.json({
          result: {
            checked_in: true,
            time_remaining_secs: 21600,
          },
        })
      }

      case 'mesh.block-headers': {
        return res.json({
          result: {
            headers: [
              { height: 893421, hash: '0000000000000000000234a6b12dc03e5c4f7e891d2f34b5a678cd9012345678', timestamp: new Date(Date.now() - 600000).toISOString() },
              { height: 893420, hash: '00000000000000000001bc7d89ef01234567890abcdef1234567890abcdef12', timestamp: new Date(Date.now() - 1200000).toISOString() },
              { height: 893419, hash: '00000000000000000003ef4a56789012bcdef34567890abcdef1234567890ab', timestamp: new Date(Date.now() - 1800000).toISOString() },
            ],
            latest_height: 893421,
            count: 3,
          },
        })
      }

      case 'mesh.relay-tx': {
        return res.json({
          result: {
            request_id: Math.floor(Math.random() * 10000),
            queued: true,
            tx_hex_len: (params?.tx_hex || '').length,
          },
        })
      }

      case 'mesh.relay-status': {
        return res.json({
          result: {
            relayed: true,
            pending_count: 0,
            status: 'confirmed',
            txid: 'a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
          },
        })
      }

      case 'mesh.relay-lightning': {
        return res.json({
          result: {
            request_id: Math.floor(Math.random() * 10000),
            queued: true,
            amount_sats: params?.amount_sats || 0,
          },
        })
      }

      // =====================================================================
      // Transport Layer (unified routing: mesh > lan > tor)
      // =====================================================================
      case 'transport.status': {
        return res.json({
          result: {
            transports: [
              { kind: 'mesh', available: true },
              { kind: 'lan', available: true },
              { kind: 'tor', available: true },
            ],
            mesh_only: false,
            peer_count: 5,
          },
        })
      }

      case 'transport.peers': {
        return res.json({
          result: {
            peers: [
              {
                did: 'did:key:z6MkhaXgBZDvotDkL5257faiztiGiC2ReMkBe4bR6XBIDNq9',
                pubkey_hex: 'a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2',
                name: 'archy-198',
                trust_level: 'trusted',
                mesh_contact_id: 1,
                lan_address: '192.168.1.198:5678',
                onion_address: 'peer1abc2def3ghi4jkl5mno6pqr7stu8vwx9yz.onion',
                preferred_transport: 'lan',
                available_transports: ['mesh', 'lan', 'tor'],
                last_seen: new Date(Date.now() - 30000).toISOString(),
              },
              {
                did: 'did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH',
                pubkey_hex: 'f6e5d4c3b2a1f6e5d4c3b2a1f6e5d4c3b2a1f6e5d4c3b2a1f6e5d4c3b2a1f6e5',
                name: 'satoshi-relay',
                trust_level: 'trusted',
                mesh_contact_id: 2,
                lan_address: null,
                onion_address: 'peer2xyz9wvu8tsr7qpo6nml5kji4hgf3edc2ba.onion',
                preferred_transport: 'mesh',
                available_transports: ['mesh', 'tor'],
                last_seen: new Date(Date.now() - 120000).toISOString(),
              },
              {
                did: 'did:key:z6MkrHKPxJP6tvCvXMaJKZd3rRA2Y44tyftVhR8FDCMKGFjb',
                pubkey_hex: 'c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4',
                name: 'bunker-alpha',
                trust_level: 'observer',
                mesh_contact_id: 4,
                lan_address: null,
                onion_address: null,
                preferred_transport: 'mesh',
                available_transports: ['mesh'],
                last_seen: new Date(Date.now() - 45000).toISOString(),
              },
              {
                did: 'did:key:z6MkjchhfUsD6mmvni8mCdXHw216Xrm9bQe2mBH1P5RDjVJG',
                pubkey_hex: 'd4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5',
                name: 'office-node',
                trust_level: 'trusted',
                mesh_contact_id: null,
                lan_address: '192.168.1.42:5678',
                onion_address: 'peer4mno6pqr7stu8vwx9yzabc2def3ghi4jkl5.onion',
                preferred_transport: 'lan',
                available_transports: ['lan', 'tor'],
                last_seen: new Date(Date.now() - 60000).toISOString(),
              },
              {
                did: 'did:key:z6MknGc3ocHs3zdPiJbnaaqDi58NGb4pk1Sp7NQD5EjEREWh',
                pubkey_hex: 'e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6',
                name: 'remote-cabin',
                trust_level: 'trusted',
                mesh_contact_id: null,
                lan_address: null,
                onion_address: 'peer5xyz9abc2def3ghi4jkl5mno6pqr7stu8vw.onion',
                preferred_transport: 'tor',
                available_transports: ['tor'],
                last_seen: new Date(Date.now() - 300000).toISOString(),
              },
            ],
          },
        })
      }

      case 'transport.send': {
        const targetDid = params?.did
        console.log(`[Transport] Send to ${targetDid} via best transport`)
        return res.json({
          result: {
            sent: true,
            transport_used: 'mesh',
            did: targetDid,
          },
        })
      }

      case 'transport.set-mode': {
        const meshOnly = params?.mesh_only ?? false
        console.log(`[Transport] Set mesh_only mode: ${meshOnly}`)
        return res.json({ result: { mesh_only: meshOnly, configured: true } })
      }

      // =====================================================================
      // LND / Lightning
      // =====================================================================
      case 'lnd.getinfo': {
        return res.json({
          result: {
            alias: 'archy-signet',
            color: '#f7931a',
            num_active_channels: 4,
            num_inactive_channels: 1,
            num_pending_channels: 1,
            block_height: walletState.block_height,
            synced_to_chain: true,
            synced_to_graph: true,
            version: '0.17.4-beta',
            identity_pubkey: '03a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
            chains: [{ chain: 'bitcoin', network: 'signet' }],
            balance_sats: walletState.onchain_sats,
            channel_balance_sats: walletState.channel_sats,
          },
        })
      }

      case 'lnd.gettransactions': {
        const pending = walletState.transactions.filter(tx => tx.direction === 'incoming' && tx.num_confirmations < 3).length
        return res.json({
          result: {
            transactions: walletState.transactions,
            incoming_pending_count: pending,
          },
        })
      }

      case 'lnd.channelbalance': {
        return res.json({
          result: {
            local_balance: { sat: walletState.channel_sats },
            remote_balance: { sat: 11750000 },
            pending_open_local_balance: { sat: 500000 },
          },
        })
      }

      case 'lnd.walletbalance': {
        return res.json({
          result: {
            total_balance: walletState.onchain_sats + 100000,
            confirmed_balance: walletState.onchain_sats,
            unconfirmed_balance: 100000,
          },
        })
      }

      case 'lnd.listchannels': {
        return res.json({
          result: {
            channels: [
              { chan_id: '840921088114688', remote_pubkey: '02778f4a', capacity: 5000000, local_balance: 2450000, remote_balance: 2550000, active: true, peer_alias: 'ACINQ Signet' },
              { chan_id: '840921088114689', remote_pubkey: '03abcdef', capacity: 2000000, local_balance: 1200000, remote_balance: 800000, active: true, peer_alias: 'WalletOfSatoshi' },
              { chan_id: '840921088114690', remote_pubkey: '02fedcba', capacity: 10000000, local_balance: 4500000, remote_balance: 5500000, active: true, peer_alias: 'Voltage' },
              { chan_id: '840921088114691', remote_pubkey: '03456789', capacity: 3000000, local_balance: 100000, remote_balance: 2900000, active: true, peer_alias: 'Kraken' },
            ],
          },
        })
      }

      case 'lnd.newaddress': {
        const addrType = params?.type || 'p2wkh'
        const mockAddr = addrType === 'p2tr'
          ? 'tb1p' + randomHex(29)
          : 'tb1q' + randomHex(19)
        return res.json({ result: { address: mockAddr } })
      }

      case 'lnd.addinvoice':
      case 'lnd.createinvoice': {
        const amt = params?.amt || params?.value || params?.amount_sats || 1000
        const rHash = randomHex(32)
        return res.json({
          result: {
            r_hash: rHash,
            payment_request: `lnsb${amt}n1pjmock${Date.now().toString(36)}qqqxqyz5vqsp5mock${rHash.slice(0,20)}`,
            add_index: Date.now(),
            payment_addr: randomHex(32),
          },
        })
      }

      case 'lnd.payinvoice':
      case 'lnd.sendpayment': {
        const amt = params?.amt || params?.amount_sats || 1000
        const fee = Math.floor(Math.random() * 10) + 1
        walletState.channel_sats = Math.max(0, walletState.channel_sats - amt - fee)
        return res.json({
          result: {
            payment_hash: randomHex(32),
            payment_preimage: randomHex(32),
            status: 'SUCCEEDED',
            fee_sat: fee,
            value_sat: amt,
          },
        })
      }

      case 'lnd.sendcoins': {
        const amt = params?.amount || params?.amt || 50000
        walletState.onchain_sats = Math.max(0, walletState.onchain_sats - amt)
        const txid = randomHex(32)
        walletState.transactions.unshift({
          tx_hash: txid, amount_sats: -amt, direction: 'outgoing', num_confirmations: 0,
          block_height: 0, time_stamp: Math.floor(Date.now()/1000), label: 'Sent on-chain',
          total_fees: 250, dest_addresses: [params?.addr || ''],
        })
        return res.json({
          result: { txid, amount: amt },
        })
      }

      case 'lnd.decodepayreq': {
        return res.json({
          result: {
            destination: '03a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
            num_satoshis: params?.pay_req?.match(/lnsb(\d+)/)?.[1] || '1000',
            description: 'Mock decoded invoice',
            expiry: 3600,
            timestamp: Math.floor(Date.now() / 1000),
          },
        })
      }

      case 'lnd.openchannel': {
        return res.json({
          result: {
            funding_txid: Array.from({length: 32}, () => Math.floor(Math.random()*256).toString(16).padStart(2,'0')).join(''),
            output_index: 0,
          },
        })
      }

      case 'lnd.closechannel': {
        return res.json({
          result: {
            closing_txid: Array.from({length: 32}, () => Math.floor(Math.random()*256).toString(16).padStart(2,'0')).join(''),
          },
        })
      }

      case 'lnd.listinvoices': {
        return res.json({ result: { invoices: MOCK_LND_DATA.invoices } })
      }

      case 'lnd.listpayments': {
        return res.json({ result: { payments: MOCK_LND_DATA.payments } })
      }

      case 'lnd.create-psbt':
      case 'lnd.finalize-psbt':
      case 'lnd.create-raw-tx': {
        return res.json({
          result: {
            psbt: 'cHNidP8BAH0CAAAA...mockPSBT',
            txid: Array.from({length: 32}, () => Math.floor(Math.random()*256).toString(16).padStart(2,'0')).join(''),
          },
        })
      }

      // =====================================================================
      // Wallet / Ecash (Fedimint)
      // =====================================================================
      case 'wallet.ecash-balance': {
        return res.json({
          result: {
            balance_sats: walletState.ecash_sats,
            balance_msat: walletState.ecash_sats * 1000,
            token_count: walletState.ecash_tokens,
            federations: [
              { federation_id: 'fed1-demo', name: 'Archy Signet Mint', balance_msat: walletState.ecash_sats * 1000, gateway_active: true },
            ],
          },
        })
      }

      case 'wallet.ecash-send': {
        const amt = params?.amount_sats || 1000
        walletState.ecash_sats = Math.max(0, walletState.ecash_sats - amt)
        walletState.ecash_tokens = Math.max(0, walletState.ecash_tokens - 1)
        return res.json({
          result: {
            token: `cashuSend_mock_${amt}_${Date.now().toString(36)}`,
            amount_sats: amt,
          },
        })
      }

      case 'wallet.ecash-receive': {
        const amt = 5000
        walletState.ecash_sats += amt
        walletState.ecash_tokens += 1
        return res.json({
          result: {
            amount_sats: amt,
            federation_id: 'fed1-demo',
          },
        })
      }

      case 'wallet.ecash-history': {
        return res.json({
          result: {
            transactions: [
              { type: 'receive', amount_sats: 50000, timestamp: new Date(Date.now() - 86400000).toISOString(), note: 'Minted from Lightning' },
              { type: 'send', amount_sats: 5000, timestamp: new Date(Date.now() - 43200000).toISOString(), note: 'Sent ecash token' },
              { type: 'receive', amount_sats: 10000, timestamp: new Date(Date.now() - 3600000).toISOString(), note: 'Redeemed token' },
            ],
          },
        })
      }

      case 'wallet.networking-profits': {
        return res.json({
          result: {
            total_earned_sats: 42,
            total_forwarded_sats: 35025,
            forward_count: 3,
            period_days: 30,
            daily_avg_sats: 1.4,
          },
        })
      }

      case 'dev.faucet': {
        const amount = params?.amount_sats || 1_000_000
        const ecashAmt = Math.floor(amount / 10)
        walletState.onchain_sats += amount
        walletState.channel_sats += amount
        walletState.ecash_sats += ecashAmt
        walletState.ecash_tokens += 1
        const txid = randomHex(32)
        walletState.transactions.unshift({
          tx_hash: txid, amount_sats: amount, direction: 'incoming', num_confirmations: 0,
          block_height: 0, time_stamp: Math.floor(Date.now()/1000), label: 'Dev faucet',
          total_fees: 0, dest_addresses: [],
        })
        console.log(`[Dev Faucet] +${amount} on-chain, +${amount} Lightning, +${ecashAmt} ecash`)
        return res.json({
          result: {
            onchain: { txid, amount_sats: amount },
            lightning: { payment_hash: randomHex(32), amount_sats: amount },
            ecash: { token: `cashuSend_faucet_${amount}_${Date.now().toString(36)}`, amount_sats: ecashAmt },
            message: `Added ${amount} sats on-chain, ${amount} sats Lightning, ${ecashAmt} sats ecash`,
          },
        })
      }

      case 'bitcoin.getinfo': {
        return res.json({
          result: {
            chain: 'signet',
            blocks: 892451,
            headers: 892451,
            bestblockhash: 'a1b2c3d4e5f6' + '0'.repeat(58),
            difficulty: 0.001126515290698186,
            mediantime: Math.floor(Date.now() / 1000) - 300,
            verificationprogress: 1.0,
            chainwork: '000000000000000000000000000000000000000000000000000000000001a2b3',
            size_on_disk: 210_000_000,
            pruned: false,
            network: 'signet',
          },
        })
      }

      // =====================================================================
      // Analytics / Telemetry
      // =====================================================================
      case 'analytics.get-status': {
        return res.json({ result: { enabled: mockState.analyticsEnabled || false, description: 'Anonymous aggregate statistics. No personal data collected.' } })
      }
      case 'analytics.enable': {
        mockState.analyticsEnabled = true
        return res.json({ result: { enabled: true } })
      }
      case 'analytics.disable': {
        mockState.analyticsEnabled = false
        return res.json({ result: { enabled: false } })
      }
      case 'telemetry.fleet-status': {
        return res.json({
          result: {
            nodes: [
              {
                node_id: 'archy-228',
                version: '0.1.0',
                uptime_secs: 604800,
                cpu_cores: 4,
                cpu_pct: +(15 + Math.random() * 20).toFixed(1),
                mem_pct: +(38 + Math.random() * 10).toFixed(1),
                disk_pct: 34.2,
                container_count: 12,
                running_count: 10,
                federation_peers: 4,
                recent_alerts: [],
                containers: [
                  { id: 'bitcoin', state: 'running', version: '27.0' },
                  { id: 'lnd', state: 'running', version: '0.18.0' },
                  { id: 'electrs', state: 'running', version: '0.10.6' },
                  { id: 'mempool', state: 'running', version: '3.0.0' },
                ],
                reported_at: new Date().toISOString(),
              },
              {
                node_id: 'archy-198',
                version: '0.1.0',
                uptime_secs: 259200,
                cpu_cores: 4,
                cpu_pct: +(8 + Math.random() * 12).toFixed(1),
                mem_pct: +(25 + Math.random() * 8).toFixed(1),
                disk_pct: 22.7,
                container_count: 8,
                running_count: 7,
                federation_peers: 4,
                recent_alerts: [{ rule: 'container_crash', message: 'electrs restarted 2x in 1h', timestamp: new Date(Date.now() - 7200000).toISOString() }],
                containers: [
                  { id: 'bitcoin', state: 'running', version: '27.0' },
                  { id: 'lnd', state: 'running', version: '0.18.0' },
                  { id: 'electrs', state: 'running', version: '0.10.6' },
                ],
                reported_at: new Date(Date.now() - 60000).toISOString(),
              },
              {
                node_id: 'arch-1',
                version: '0.1.0',
                uptime_secs: 172800,
                cpu_cores: 2,
                cpu_pct: +(5 + Math.random() * 10).toFixed(1),
                mem_pct: +(45 + Math.random() * 15).toFixed(1),
                disk_pct: 61.3,
                container_count: 6,
                running_count: 6,
                federation_peers: 4,
                recent_alerts: [],
                containers: [
                  { id: 'bitcoin', state: 'running', version: '27.0' },
                  { id: 'lnd', state: 'running', version: '0.18.0' },
                ],
                reported_at: new Date(Date.now() - 120000).toISOString(),
              },
              {
                node_id: 'arch-2',
                version: '0.1.0',
                uptime_secs: 86400,
                cpu_cores: 2,
                cpu_pct: +(3 + Math.random() * 8).toFixed(1),
                mem_pct: +(30 + Math.random() * 10).toFixed(1),
                disk_pct: 18.9,
                container_count: 5,
                running_count: 5,
                federation_peers: 4,
                recent_alerts: [],
                containers: [
                  { id: 'bitcoin', state: 'running', version: '27.0' },
                ],
                reported_at: new Date(Date.now() - 300000).toISOString(),
              },
              {
                node_id: 'arch-3',
                version: '0.1.0',
                uptime_secs: 43200,
                cpu_cores: 4,
                cpu_pct: +(20 + Math.random() * 15).toFixed(1),
                mem_pct: +(55 + Math.random() * 10).toFixed(1),
                disk_pct: 47.5,
                container_count: 10,
                running_count: 9,
                federation_peers: 4,
                recent_alerts: [{ rule: 'disk_warning', message: 'Disk usage approaching 50%', timestamp: new Date(Date.now() - 3600000).toISOString() }],
                containers: [
                  { id: 'bitcoin', state: 'running', version: '27.0' },
                  { id: 'lnd', state: 'running', version: '0.18.0' },
                  { id: 'electrs', state: 'running', version: '0.10.6' },
                  { id: 'mempool', state: 'running', version: '3.0.0' },
                ],
                reported_at: new Date(Date.now() - 30000).toISOString(),
              },
            ],
          },
        })
      }

      case 'telemetry.fleet-alerts': {
        return res.json({
          result: {
            alerts: [
              { node_id: 'archy-198', rule: 'container_crash', message: 'electrs restarted 2x in 1h', timestamp: new Date(Date.now() - 7200000).toISOString() },
              { node_id: 'arch-3', rule: 'disk_warning', message: 'Disk usage approaching 50%', timestamp: new Date(Date.now() - 3600000).toISOString() },
              { node_id: 'arch-1', rule: 'mem_high', message: 'Memory usage above 60%', timestamp: new Date(Date.now() - 86400000).toISOString() },
            ],
          },
        })
      }

      case 'telemetry.fleet-node-history': {
        const nodeId = params?.node_id || 'archy-228'
        const now = Date.now()
        const history = Array.from({ length: 24 }, (_, i) => ({
          timestamp: new Date(now - (23 - i) * 3600000).toISOString(),
          cpu_pct: +(10 + Math.random() * 30).toFixed(1),
          mem_pct: +(30 + Math.random() * 20).toFixed(1),
          disk_pct: +(30 + Math.random() * 5).toFixed(1),
        }))
        return res.json({ result: { history } })
      }

      case 'analytics.get-snapshot':
      case 'telemetry.report': {
        return res.json({ result: {
          node_id: 'mock-dev-node',
          version: '1.2.0-alpha',
          uptime_secs: 86400,
          cpu_cores: 4,
          ram_mb: 16384,
          container_count: 12,
          running_count: 10,
          federation_peers: 2,
          recent_alerts: [],
          reported_at: new Date().toISOString(),
        }})
      }

      // System / Network / Updates
      // =====================================================================
      case 'system.stats': {
        return res.json({
          result: {
            cpu_usage_percent: +(12 + Math.random() * 18).toFixed(1),
            mem_used_bytes: 6_200_000_000 + Math.floor(Math.random() * 500_000_000),
            mem_total_bytes: 16_000_000_000,
            disk_used_bytes: 620_000_000_000 + Math.floor(Math.random() * 10_000_000_000),
            disk_total_bytes: 1_800_000_000_000,
            uptime_secs: Math.floor(process.uptime()) + 604800,
            load_avg: [+(0.5 + Math.random() * 1.5).toFixed(2), +(0.8 + Math.random()).toFixed(2), +(0.6 + Math.random()).toFixed(2)],
            net_rx_bytes: 12_400_000_000,
            net_tx_bytes: 8_900_000_000,
          },
        })
      }

      case 'update.status': {
        return res.json({
          result: {
            current_version: '0.1.0',
            latest_version: '0.1.1',
            update_available: true,
            release_notes: 'Bug fixes and performance improvements.',
            channel: 'stable',
          },
        })
      }

      case 'seed.reveal': {
        if (!params || !params.password) {
          return res.json({ error: { code: -32000, message: 'Password is required to reveal the recovery phrase' } })
        }
        // Demo gate: accept any non-empty password; reject "wrong" to exercise the error path.
        if (params.password === 'wrong') {
          return res.json({ error: { code: -32000, message: 'Incorrect password' } })
        }
        const demo = 'legal winner thank year wave sausage worth useful legal winner thank yellow able cabin dad debris during dose talent layer crater proud drift movie'.split(' ')
        return res.json({ result: { words: demo, word_count: demo.length } })
      }

      case 'update.list-mirrors': {
        globalThis.__mockMirrors ||= [
          { url: 'http://146.59.87.168:3000/lfg2025/archy/raw/branch/main/releases/manifest.json', label: 'Origin (vps2)' },
        ]
        return res.json({ result: { mirrors: globalThis.__mockMirrors } })
      }

      case 'update.get-source': {
        globalThis.__swarmPrefs ||= { source: 'origin', provide_dht: true }
        return res.json({
          result: {
            source: globalThis.__swarmPrefs.source,
            provide_dht: globalThis.__swarmPrefs.provide_dht,
            swarm_available: false, // default build has no iroh-swarm feature
            swarm_enabled: false,
          },
        })
      }

      case 'update.set-source': {
        globalThis.__swarmPrefs ||= { source: 'origin', provide_dht: true }
        if (params && (params.source === 'origin' || params.source === 'swarm')) {
          globalThis.__swarmPrefs.source = params.source
        }
        if (params && typeof params.provide === 'boolean') {
          globalThis.__swarmPrefs.provide_dht = params.provide
        }
        return res.json({
          result: {
            source: globalThis.__swarmPrefs.source,
            provide_dht: globalThis.__swarmPrefs.provide_dht,
            swarm_available: false,
            swarm_enabled: false,
          },
        })
      }

      case 'network.list-requests': {
        return res.json({
          result: {
            requests: [
              { id: 'req-1', from_did: 'did:key:z6MkhaXgBZDvotDkL5257faiztiGiC2ReMkBe4bR6XBIDNq9', from_name: 'archy-198', type: 'federation-join', status: 'pending', created_at: new Date(Date.now() - 3600000).toISOString() },
            ],
          },
        })
      }

      // ── Monitoring ──────────────────────────────────────────────
      case 'monitoring.current': {
        return res.json({
          result: {
            system: {
              cpu_percent: +(12 + Math.random() * 18).toFixed(1),
              load_avg_1: +(0.5 + Math.random() * 1.5).toFixed(2),
              load_avg_5: +(0.8 + Math.random()).toFixed(2),
              load_avg_15: +(0.6 + Math.random()).toFixed(2),
              mem_used_bytes: 6_200_000_000 + Math.floor(Math.random() * 500_000_000),
              mem_total_bytes: 16_000_000_000,
              disk_used_bytes: 620_000_000_000,
              disk_total_bytes: 1_800_000_000_000,
              net_rx_bytes: 12_400_000_000 + Math.floor(Math.random() * 100_000_000),
              net_tx_bytes: 8_900_000_000 + Math.floor(Math.random() * 50_000_000),
              uptime_secs: Math.floor(process.uptime()) + 604800,
            },
            rpc: { avg_latency_ms: +(2 + Math.random() * 8).toFixed(1), requests_per_minute: Math.floor(30 + Math.random() * 40) },
          },
        })
      }

      case 'monitoring.history': {
        const points = 60
        const history = []
        for (let i = 0; i < points; i++) {
          history.push({
            timestamp: new Date(Date.now() - (points - i) * 60000).toISOString(),
            system: {
              cpu_percent: +(10 + Math.random() * 25).toFixed(1),
              mem_used_bytes: 5_800_000_000 + Math.floor(Math.random() * 1_000_000_000),
              mem_total_bytes: 16_000_000_000,
              net_rx_bytes: Math.floor(Math.random() * 5_000_000),
              net_tx_bytes: Math.floor(Math.random() * 3_000_000),
            },
            rpc: { avg_latency_ms: +(1 + Math.random() * 10).toFixed(1) },
          })
        }
        return res.json({ result: { history } })
      }

      case 'monitoring.alerts': {
        return res.json({
          result: {
            alerts: [
              { id: 'a1', kind: 'cpu_high', message: 'CPU usage exceeded 80% for 5 minutes', timestamp: new Date(Date.now() - 7200000).toISOString(), acknowledged: false },
              { id: 'a2', kind: 'disk_high', message: 'Disk usage at 85%', timestamp: new Date(Date.now() - 86400000).toISOString(), acknowledged: true },
            ],
          },
        })
      }

      case 'monitoring.alert-rules': {
        return res.json({
          result: {
            rules: [
              { kind: 'cpu_high', enabled: true, threshold: 80, description: 'Alert when CPU usage exceeds threshold' },
              { kind: 'mem_high', enabled: true, threshold: 85, description: 'Alert when memory usage exceeds threshold' },
              { kind: 'disk_high', enabled: true, threshold: 90, description: 'Alert when disk usage exceeds threshold' },
              { kind: 'backend_error_spike', enabled: false, threshold: 500, description: 'Alert when RPC latency exceeds threshold' },
            ],
          },
        })
      }

      case 'monitoring.configure-alert':
      case 'monitoring.acknowledge-alert': {
        return res.json({ result: { success: true } })
      }

      case 'monitoring.export': {
        return res.json({ result: { data: 'timestamp,cpu,mem\n2026-04-10T12:00:00Z,15.2,38.5\n' } })
      }

      case 'monitoring.container-metrics': {
        return res.json({
          result: {
            containers: [
              { name: 'bitcoin-knots', cpu_percent: 8.2, mem_used_bytes: 1_200_000_000, net_rx_bytes: 5_000_000, net_tx_bytes: 3_200_000 },
              { name: 'lnd', cpu_percent: 3.1, mem_used_bytes: 480_000_000, net_rx_bytes: 2_100_000, net_tx_bytes: 1_800_000 },
              { name: 'electrs', cpu_percent: 12.4, mem_used_bytes: 890_000_000, net_rx_bytes: 800_000, net_tx_bytes: 600_000 },
              { name: 'mempool', cpu_percent: 5.6, mem_used_bytes: 320_000_000, net_rx_bytes: 1_500_000, net_tx_bytes: 900_000 },
              { name: 'filebrowser', cpu_percent: 0.8, mem_used_bytes: 45_000_000, net_rx_bytes: 200_000, net_tx_bytes: 150_000 },
            ],
          },
        })
      }

      // ── Fleet / Telemetry ─────────────────────────────────────
      case 'telemetry.fleet-status': {
        return res.json({
          result: {
            nodes: [
              {
                id: 'node-1', name: 'archy-main', did: 'did:key:z6MkhaXgBZDvotDkL5257faiztiGiC2ReMkBe4bR6XBIDNq9',
                status: 'online', last_seen: new Date().toISOString(),
                version: '1.3.0', uptime_secs: 604800,
                system: { cpu_percent: 15.2, mem_used_bytes: 6_200_000_000, mem_total_bytes: 16_000_000_000, disk_used_bytes: 620_000_000_000, disk_total_bytes: 1_800_000_000_000 },
                apps: ['bitcoin-knots', 'lnd', 'electrs', 'mempool', 'filebrowser'],
                tor_connected: true,
              },
              {
                id: 'node-2', name: 'archy-198', did: 'did:key:z6Mkp2z3PJbJHbQ95fGk3CqYVNEPE3VNnFGA7yUYkQjXoZTL',
                status: 'online', last_seen: new Date(Date.now() - 120000).toISOString(),
                version: '1.2.1', uptime_secs: 259200,
                system: { cpu_percent: 8.7, mem_used_bytes: 3_100_000_000, mem_total_bytes: 8_000_000_000, disk_used_bytes: 180_000_000_000, disk_total_bytes: 500_000_000_000 },
                apps: ['bitcoin-knots', 'lnd', 'mempool'],
                tor_connected: true,
              },
              {
                id: 'node-3', name: 'archy-vps', did: 'did:key:z6MknGc3ocHs3zdPiJbnaaqDi5ER7eLYwBqPR4NkDhCUD7Li',
                status: 'offline', last_seen: new Date(Date.now() - 3600000).toISOString(),
                version: '1.3.0', uptime_secs: 0,
                system: { cpu_percent: 0, mem_used_bytes: 0, mem_total_bytes: 4_000_000_000, disk_used_bytes: 45_000_000_000, disk_total_bytes: 80_000_000_000 },
                apps: ['lnd'],
                tor_connected: false,
              },
            ],
          },
        })
      }

      case 'telemetry.fleet-alerts': {
        return res.json({
          result: {
            alerts: [
              { id: 'fa1', node_id: 'node-3', node_name: 'archy-vps', kind: 'node_offline', message: 'Node went offline', timestamp: new Date(Date.now() - 3600000).toISOString(), acknowledged: false },
              { id: 'fa2', node_id: 'node-2', node_name: 'archy-198', kind: 'disk_high', message: 'Disk usage at 36%', timestamp: new Date(Date.now() - 86400000).toISOString(), acknowledged: true },
            ],
          },
        })
      }

      case 'telemetry.fleet-node-history': {
        const nodeId = params?.node_id || 'node-1'
        const points = 60
        const history = []
        for (let i = 0; i < points; i++) {
          history.push({
            timestamp: new Date(Date.now() - (points - i) * 60000).toISOString(),
            cpu_percent: +(8 + Math.random() * 20).toFixed(1),
            mem_used_bytes: 5_000_000_000 + Math.floor(Math.random() * 2_000_000_000),
          })
        }
        return res.json({ result: { node_id: nodeId, history } })
      }

      default: {
        console.log(`[RPC] Unknown method: ${method}`)
        return res.json({
          error: {
            code: -32601,
            message: `Method not found: ${method}`,
          },
        })
      }
    }
  } catch (error) {
    console.error('[RPC Error]', error)
    return res.json({
      error: {
        code: -32603,
        message: error.message,
      },
    })
  }
})

// =============================================================================
// Mock FileBrowser API (for Cloud page in demo/Docker deployments)
// =============================================================================
const MOCK_FILES = {
  '/': [
    { name: 'Music', path: '/Music', size: 0, modified: '2025-03-01T10:00:00Z', isDir: true, type: '' },
    { name: 'Documents', path: '/Documents', size: 0, modified: '2025-02-28T14:30:00Z', isDir: true, type: '' },
    { name: 'Photos', path: '/Photos', size: 0, modified: '2025-02-20T09:15:00Z', isDir: true, type: '' },
    { name: 'Videos', path: '/Videos', size: 0, modified: '2025-01-15T18:00:00Z', isDir: true, type: '' },
  ],
  '/Music': [
    { name: 'Bad Actors Reveal.mp3', path: '/Music/Bad Actors Reveal.mp3', size: 8_400_000, modified: '2025-01-10T12:00:00Z', isDir: false, type: 'audio' },
    { name: 'Architects of Tomorrow.wav', path: '/Music/Architects of Tomorrow.wav', size: 42_000_000, modified: '2025-01-08T15:00:00Z', isDir: false, type: 'audio' },
    { name: 'Sats or Shackles.mp3', path: '/Music/Sats or Shackles.mp3', size: 6_200_000, modified: '2024-12-20T10:00:00Z', isDir: false, type: 'audio' },
    { name: 'The Four Horseman of Technocracy.mp3', path: '/Music/The Four Horseman of Technocracy.mp3', size: 7_800_000, modified: '2024-12-15T11:00:00Z', isDir: false, type: 'audio' },
    { name: 'Inverse Dylan (Remix).mp3', path: '/Music/Inverse Dylan (Remix).mp3', size: 5_600_000, modified: '2024-12-10T16:00:00Z', isDir: false, type: 'audio' },
    { name: 'Hootcoiner.mp3', path: '/Music/Hootcoiner.mp3', size: 4_200_000, modified: '2024-11-28T09:00:00Z', isDir: false, type: 'audio' },
    { name: 'decentrealisation.mp3', path: '/Music/decentrealisation.mp3', size: 5_100_000, modified: '2024-11-20T14:00:00Z', isDir: false, type: 'audio' },
    { name: 'neo-morality.mp3', path: '/Music/neo-morality.mp3', size: 6_800_000, modified: '2024-11-15T11:00:00Z', isDir: false, type: 'audio' },
    { name: 'death is a gift.mp3', path: '/Music/death is a gift.mp3', size: 4_500_000, modified: '2024-11-10T08:00:00Z', isDir: false, type: 'audio' },
    { name: 'Wash the fucking dishes.mp3', path: '/Music/Wash the fucking dishes.mp3', size: 3_900_000, modified: '2024-11-05T13:00:00Z', isDir: false, type: 'audio' },
    { name: 'All the leaves are brown.mp3', path: '/Music/All the leaves are brown.mp3', size: 5_300_000, modified: '2024-10-28T10:00:00Z', isDir: false, type: 'audio' },
    { name: 'Builders not talkers.mp3', path: '/Music/Builders not talkers.mp3', size: 4_700_000, modified: '2024-10-20T15:00:00Z', isDir: false, type: 'audio' },
    { name: 'SMRI.mp3', path: '/Music/SMRI.mp3', size: 5_900_000, modified: '2024-10-15T12:00:00Z', isDir: false, type: 'audio' },
    { name: 'Shadrap.mp3', path: '/Music/Shadrap.mp3', size: 3_400_000, modified: '2024-10-10T09:00:00Z', isDir: false, type: 'audio' },
    { name: 'The Wehrman.mp3', path: '/Music/The Wehrman.mp3', size: 6_100_000, modified: '2024-10-05T14:00:00Z', isDir: false, type: 'audio' },
    { name: 'An Exploited Substrate.mp3', path: '/Music/An Exploited Substrate.mp3', size: 4_800_000, modified: '2024-09-28T11:00:00Z', isDir: false, type: 'audio' },
    { name: 'Govcucks.wav', path: '/Music/Govcucks.wav', size: 38_000_000, modified: '2024-09-20T16:00:00Z', isDir: false, type: 'audio' },
  ],
  '/Documents': [
    { name: 'bitcoin-whitepaper-notes.md', path: '/Documents/bitcoin-whitepaper-notes.md', size: 820, modified: '2025-02-28T14:30:00Z', isDir: false, type: 'text' },
    { name: 'node-setup-checklist.md', path: '/Documents/node-setup-checklist.md', size: 950, modified: '2025-02-25T10:00:00Z', isDir: false, type: 'text' },
    { name: 'lightning-channels.csv', path: '/Documents/lightning-channels.csv', size: 680, modified: '2025-02-20T16:00:00Z', isDir: false, type: 'text' },
    { name: 'sovereignty-manifesto.txt', path: '/Documents/sovereignty-manifesto.txt', size: 1100, modified: '2025-02-15T12:00:00Z', isDir: false, type: 'text' },
    { name: 'backup-log.json', path: '/Documents/backup-log.json', size: 1450, modified: '2025-03-01T02:00:00Z', isDir: false, type: 'text' },
  ],
  '/Photos': [
    { name: 'node-rack-setup.jpg', path: '/Photos/node-rack-setup.jpg', size: 2_400_000, modified: '2025-02-20T09:15:00Z', isDir: false, type: 'image' },
    { name: 'bitcoin-conference-2024.jpg', path: '/Photos/bitcoin-conference-2024.jpg', size: 3_100_000, modified: '2024-12-15T14:30:00Z', isDir: false, type: 'image' },
    { name: 'lightning-network-visualization.png', path: '/Photos/lightning-network-visualization.png', size: 1_800_000, modified: '2025-01-10T11:00:00Z', isDir: false, type: 'image' },
    { name: 'home-server-build.jpg', path: '/Photos/home-server-build.jpg', size: 2_900_000, modified: '2024-11-20T16:45:00Z', isDir: false, type: 'image' },
    { name: 'sunset-from-balcony.jpg', path: '/Photos/sunset-from-balcony.jpg', size: 4_200_000, modified: '2025-02-14T18:30:00Z', isDir: false, type: 'image' },
  ],
  '/Videos': [
    { name: 'node-unboxing-timelapse.mp4', path: '/Videos/node-unboxing-timelapse.mp4', size: 85_000_000, modified: '2024-11-01T10:00:00Z', isDir: false, type: 'video' },
    { name: 'bitcoin-explained-5min.mp4', path: '/Videos/bitcoin-explained-5min.mp4', size: 42_000_000, modified: '2024-10-15T14:00:00Z', isDir: false, type: 'video' },
    { name: 'lightning-payment-demo.mp4', path: '/Videos/lightning-payment-demo.mp4', size: 28_000_000, modified: '2025-01-20T12:00:00Z', isDir: false, type: 'video' },
  ],
}

const MOCK_FILE_CONTENTS = {
  '/Documents/bitcoin-whitepaper-notes.md': `# Bitcoin Whitepaper Notes\n\n## Key Concepts\n\n### Peer-to-Peer Electronic Cash\n- No trusted third party needed\n- Double-spending solved via proof-of-work\n- Longest chain = truth\n\n### Proof of Work\n- SHA-256 based hashing\n- Difficulty adjusts every 2016 blocks (~2 weeks)\n- Incentive: block reward + transaction fees\n\n## My Thoughts\n- The 21M supply cap is genius - digital scarcity\n- Lightning Network solves the scaling concern\n- Self-custody is the whole point`,
  '/Documents/node-setup-checklist.md': `# Archipelago Node Setup Checklist\n\n## Hardware\n- [x] Intel NUC / Mini PC (16GB RAM minimum)\n- [x] 2TB NVMe SSD\n- [x] USB drive for installer\n- [x] Ethernet cable\n\n## Core Apps\n- [x] Bitcoin Knots\n- [x] LND\n- [x] Mempool Explorer\n- [ ] BTCPay Server\n- [ ] Fedimint`,
  '/Documents/lightning-channels.csv': `channel_id,peer_alias,capacity_sats,local_balance,remote_balance,status\nch_001,ACINQ,5000000,2450000,2550000,active\nch_002,WalletOfSatoshi,2000000,1200000,800000,active\nch_003,Voltage,10000000,4500000,5500000,active\nch_004,Kraken,3000000,1800000,1200000,active`,
  '/Documents/sovereignty-manifesto.txt': `THE SOVEREIGNTY MANIFESTO\n=========================\n\nWe hold these truths to be self-evident:\n\n1. Your data belongs to you.\n2. Your money should be uncensorable.\n3. Your communications should be private.\n4. Your compute should be sovereign.\n5. Your identity should be self-issued.\n\nRun your own node. Hold your own keys. Own your own data. Be sovereign.`,
  '/Documents/backup-log.json': JSON.stringify({ backups: [{ id: 'bkp-2025-03-01', timestamp: '2025-03-01T02:00:00Z', type: 'full', apps: ['bitcoin-knots', 'lnd', 'mempool'], size_mb: 2340, status: 'success' }] }, null, 2),
}

// FileBrowser UI (demo placeholder when launched directly)
app.get('/app/filebrowser/', (req, res) => {
  res.type('html').send(`<!DOCTYPE html><html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
<title>File Browser</title><style>*{margin:0;padding:0;box-sizing:border-box}body{background:#1a1a2e;color:#e0e0e0;font-family:system-ui,sans-serif;display:flex;align-items:center;justify-content:center;min-height:100vh}
.card{background:rgba(0,0,0,0.4);border:1px solid rgba(255,255,255,0.1);border-radius:16px;padding:48px;text-align:center;max-width:400px;backdrop-filter:blur(20px)}
h1{font-size:24px;margin-bottom:12px}p{color:rgba(255,255,255,0.6);font-size:14px;line-height:1.6}</style></head>
<body><div class="card"><h1>File Browser</h1><p>File Browser is running. Use the Cloud page in Archipelago to manage your files.</p></div></body></html>`)
})

// FileBrowser login - return mock JWT
app.post('/app/filebrowser/api/login', (req, res) => {
  res.send('"mock-filebrowser-token-demo"')
})

// FileBrowser list resources
app.get('/app/filebrowser/api/resources/*', (req, res) => {
  const reqPath = decodeURIComponent(req.params[0] || '/').replace(/\/+$/, '') || '/'
  const items = MOCK_FILES[reqPath] || []
  res.json({
    items,
    numDirs: items.filter(i => i.isDir).length,
    numFiles: items.filter(i => !i.isDir).length,
    sorting: { by: 'name', asc: true },
  })
})

app.get('/app/filebrowser/api/resources', (req, res) => {
  const items = MOCK_FILES['/'] || []
  res.json({
    items,
    numDirs: items.filter(i => i.isDir).length,
    numFiles: items.filter(i => !i.isDir).length,
    sorting: { by: 'name', asc: true },
  })
})

// FileBrowser upload (POST to resources path) — mock accepts and discards the body
app.post('/app/filebrowser/api/resources/*', (req, res) => {
  req.resume()
  req.on('end', () => res.sendStatus(200))
})

// FileBrowser delete
app.delete('/app/filebrowser/api/resources/*', (req, res) => {
  res.sendStatus(200)
})

// FileBrowser rename
app.patch('/app/filebrowser/api/resources/*', (req, res) => {
  res.sendStatus(200)
})

// FileBrowser raw file content (for text file reading)
app.get('/app/filebrowser/api/raw/*', (req, res) => {
  const reqPath = '/' + decodeURIComponent(req.params[0] || '')
  const content = MOCK_FILE_CONTENTS[reqPath]
  if (content) {
    res.type('text/plain').send(content)
  } else {
    res.status(404).send('File not found')
  }
})

// Claude API Proxy (reads ANTHROPIC_API_KEY from environment)
// Uses fetch (Node 22+) for reliable DNS resolution and streaming in Docker/Alpine
// =============================================================================

app.post('/aiui/api/claude/*', async (req, res) => {
  const apiKey = process.env.ANTHROPIC_API_KEY
  if (!apiKey) {
    return res.status(500).json({
      type: 'error',
      error: { type: 'configuration_error', message: 'ANTHROPIC_API_KEY not configured on server' }
    })
  }

  const apiPath = '/' + req.params[0]

  // Clean request body for Anthropic API
  const body = req.body
  if (body) {
    if (!body.max_tokens) body.max_tokens = 4096
    // Fix model IDs — AIUI may send short names
    if (body.model && !body.model.includes('-2')) {
      const modelMap = {
        'claude-haiku-4.5': 'claude-haiku-4-5-20251001',
        'claude-haiku-4-5': 'claude-haiku-4-5-20251001',
        'claude-sonnet-4-5': 'claude-sonnet-4-5-20250514',
        'claude-sonnet-4.5': 'claude-sonnet-4-5-20250514',
      }
      if (modelMap[body.model]) body.model = modelMap[body.model]
    }
    // Strip AIUI-specific fields that Anthropic API rejects
    delete body.webSearch
    delete body.webResults
    delete body.context
  }

  const bodyStr = JSON.stringify(body)
  const url = `https://api.anthropic.com${apiPath}`
  console.log(`[Claude Proxy] → POST ${url} (${bodyStr.length} bytes, model: ${body?.model || 'unknown'})`)

  try {
    const controller = new AbortController()
    const timeout = setTimeout(() => controller.abort(), 60000)

    const apiRes = await fetch(url, {
      method: 'POST',
      signal: controller.signal,
      headers: {
        'Content-Type': 'application/json',
        'x-api-key': apiKey,
        'anthropic-version': '2023-06-01',
      },
      body: bodyStr,
    })

    clearTimeout(timeout)
    console.log(`[Claude Proxy] ← ${apiRes.status}`)

    // Forward status and headers
    res.status(apiRes.status)
    for (const [key, value] of apiRes.headers.entries()) {
      // Skip hop-by-hop headers
      if (!['transfer-encoding', 'connection', 'keep-alive'].includes(key.toLowerCase())) {
        res.setHeader(key, value)
      }
    }

    // Stream the response body
    if (apiRes.body) {
      const reader = apiRes.body.getReader()
      const pump = async () => {
        while (true) {
          const { done, value } = await reader.read()
          if (done) { res.end(); return }
          if (!res.writableEnded) res.write(value)
        }
      }
      pump().catch((err) => {
        console.error('[Claude Proxy] Stream error:', err.message)
        if (!res.writableEnded) res.end()
      })
    } else {
      res.end()
    }
  } catch (err) {
    const msg = err.name === 'AbortError' ? 'Request timed out (60s)' : (err.message || 'Unknown error')
    console.error(`[Claude Proxy] Error: ${msg}`)
    if (!res.headersSent) {
      res.status(502).json({
        type: 'error',
        error: { type: 'proxy_error', message: msg }
      })
    }
  }
})

// Ollama (local AI) proxy — forwards to localhost:11434
app.all('/aiui/api/ollama/*', (req, res) => {
  const ollamaPath = '/' + req.params[0]
  const bodyStr = JSON.stringify(req.body)

  const options = {
    hostname: '127.0.0.1',
    port: 11434,
    path: ollamaPath,
    method: req.method,
    headers: {
      'Content-Type': 'application/json',
      'Content-Length': Buffer.byteLength(bodyStr),
    },
  }

  const proxyReq = http.request(options, (proxyRes) => {
    res.writeHead(proxyRes.statusCode, proxyRes.headers)
    proxyRes.pipe(res)
  })

  proxyReq.on('error', (err) => {
    const msg = err.message || err.code || 'Ollama not available'
    console.error('[Ollama Proxy] Error:', msg)
    if (!res.headersSent) {
      res.status(502).json({ error: msg })
    }
  })

  if (req.method !== 'GET' && req.method !== 'HEAD') {
    proxyReq.write(bodyStr)
  }
  proxyReq.end()
})

// =============================================================================
// Ollama Local AI Proxy (forwards to Ollama on localhost:11434)
// =============================================================================
app.all('/api/ollama/*', (req, res) => {
  const ollamaPath = '/' + req.params[0]
  const isPost = req.method === 'POST'
  const bodyStr = isPost ? JSON.stringify(req.body) : null

  const options = {
    hostname: '127.0.0.1',
    port: 11434,
    path: ollamaPath,
    method: req.method,
    headers: { 'Content-Type': 'application/json' },
  }

  const proxyReq = http.request(options, (proxyRes) => {
    res.writeHead(proxyRes.statusCode, proxyRes.headers)
    proxyRes.pipe(res)
  })

  proxyReq.on('error', (err) => {
    const msg = err.message || err.code || 'Ollama not available'
    console.error('[Ollama Proxy] Error:', msg)
    if (!res.headersSent) {
      res.status(502).json({ error: msg })
    }
  })

  if (bodyStr) proxyReq.write(bodyStr)
  proxyReq.end()
})

// Web search stub (no search engine configured in demo)
app.get('/api/web-search', (req, res) => {
  res.json({ results: [] })
})

// TMDB API stub (no TMDB key in demo)
app.get('/api/tmdb/*', (req, res) => {
  res.json({ results: [] })
})

// Catch-all for unimplemented API endpoints (return JSON, not HTML)
app.all('/api/*', (req, res) => {
  res.status(404).json({ error: 'Not available in demo mode' })
})
app.all('/aiui/api/*', (req, res) => {
  res.status(404).json({ error: 'Not available in demo mode' })
})

// =============================================================================
// Mock ThunderHub UI + Lightning API (no Docker required)
// =============================================================================

const MOCK_LND_DATA = {
  info: {
    alias: 'archy-signet',
    color: '#f7931a',
    public_key: '03a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456',
    num_active_channels: 4,
    num_inactive_channels: 1,
    num_pending_channels: 1,
    block_height: 892451,
    synced_to_chain: true,
    synced_to_graph: true,
    version: '0.17.4-beta commit=v0.17.4-beta',
    chains: [{ chain: 'bitcoin', network: 'signet' }],
    uris: ['03a1b2c3@archy-signet.onion:9735'],
  },
  balance: {
    total_balance: 2_450_000,
    confirmed_balance: 2_350_000,
    unconfirmed_balance: 100_000,
  },
  channelBalance: {
    local_balance: { sat: 8_250_000 },
    remote_balance: { sat: 11_750_000 },
    pending_open_local_balance: { sat: 500_000 },
    pending_open_remote_balance: { sat: 0 },
  },
  channels: [
    { chan_id: '840921088114688', remote_pubkey: '02778f4a4e...acinq', capacity: 5_000_000, local_balance: 2_450_000, remote_balance: 2_550_000, active: true, peer_alias: 'ACINQ Signet', total_satoshis_sent: 850_000, total_satoshis_received: 1_200_000, uptime: 604800, lifetime: 2592000 },
    { chan_id: '840921088114689', remote_pubkey: '03abcdef12...wos', capacity: 2_000_000, local_balance: 1_200_000, remote_balance: 800_000, active: true, peer_alias: 'WalletOfSatoshi', total_satoshis_sent: 350_000, total_satoshis_received: 500_000, uptime: 259200, lifetime: 1296000 },
    { chan_id: '840921088114690', remote_pubkey: '02fedcba98...voltage', capacity: 10_000_000, local_balance: 4_500_000, remote_balance: 5_500_000, active: true, peer_alias: 'Voltage', total_satoshis_sent: 2_100_000, total_satoshis_received: 1_800_000, uptime: 518400, lifetime: 2592000 },
    { chan_id: '840921088114691', remote_pubkey: '03456789ab...kraken', capacity: 3_000_000, local_balance: 100_000, remote_balance: 2_900_000, active: true, peer_alias: 'Kraken', total_satoshis_sent: 50_000, total_satoshis_received: 120_000, uptime: 86400, lifetime: 604800 },
    { chan_id: '840921088114692', remote_pubkey: '02112233aa...old', capacity: 1_000_000, local_balance: 0, remote_balance: 1_000_000, active: false, peer_alias: 'OldPeer-Offline', total_satoshis_sent: 0, total_satoshis_received: 0, uptime: 0, lifetime: 5184000 },
  ],
  pendingChannels: {
    pending_open_channels: [
      { channel: { remote_node_pub: '03ffeeddcc...newpeer', capacity: 500_000, local_balance: 500_000, remote_balance: 0 }, confirmation_height: 892452 },
    ],
    pending_closing_channels: [],
    pending_force_closing_channels: [],
    waiting_close_channels: [],
  },
  invoices: [
    { memo: 'Channel opening fee', value: 50_000, settled: true, creation_date: Math.floor(Date.now()/1000) - 86400, settle_date: Math.floor(Date.now()/1000) - 85800, payment_request: 'lnsb500000n1pjtest...truncated', state: 'SETTLED', amt_paid_sat: 50_000, r_hash: Buffer.from('aabbccdd01').toString('hex') },
    { memo: 'Test payment', value: 1_000, settled: true, creation_date: Math.floor(Date.now()/1000) - 7200, settle_date: Math.floor(Date.now()/1000) - 7100, payment_request: 'lnsb10000n1pjtest2...truncated', state: 'SETTLED', amt_paid_sat: 1_000, r_hash: Buffer.from('aabbccdd02').toString('hex') },
    { memo: 'Coffee payment', value: 5_000, settled: true, creation_date: Math.floor(Date.now()/1000) - 3600, settle_date: Math.floor(Date.now()/1000) - 3500, payment_request: 'lnsb50000n1pjtest3...truncated', state: 'SETTLED', amt_paid_sat: 5_000, r_hash: Buffer.from('aabbccdd03').toString('hex') },
    { memo: 'Donation', value: 21_000, settled: false, creation_date: Math.floor(Date.now()/1000) - 600, settle_date: 0, payment_request: 'lnsb210000n1pjtest4...truncated', state: 'OPEN', amt_paid_sat: 0, r_hash: Buffer.from('aabbccdd04').toString('hex') },
  ],
  payments: [
    { payment_hash: 'ff00112233', value_sat: 10_000, fee_sat: 3, status: 'SUCCEEDED', creation_date: Math.floor(Date.now()/1000) - 43200, payment_request: 'lnsb100000n1pjpay1...', failure_reason: 'FAILURE_REASON_NONE' },
    { payment_hash: 'ff00112234', value_sat: 100_000, fee_sat: 12, status: 'SUCCEEDED', creation_date: Math.floor(Date.now()/1000) - 21600, payment_request: 'lnsb1000000n1pjpay2...', failure_reason: 'FAILURE_REASON_NONE' },
    { payment_hash: 'ff00112235', value_sat: 500, fee_sat: 1, status: 'SUCCEEDED', creation_date: Math.floor(Date.now()/1000) - 1800, payment_request: 'lnsb5000n1pjpay3...', failure_reason: 'FAILURE_REASON_NONE' },
  ],
  forwarding: [
    { chan_id_in: '840921088114688', chan_id_out: '840921088114690', amt_in: 10_012, amt_out: 10_000, fee: 12, timestamp_ns: (Date.now() - 7200000) * 1e6 },
    { chan_id_in: '840921088114690', chan_id_out: '840921088114689', amt_in: 5_005, amt_out: 5_000, fee: 5, timestamp_ns: (Date.now() - 3600000) * 1e6 },
    { chan_id_in: '840921088114689', chan_id_out: '840921088114691', amt_in: 25_025, amt_out: 25_000, fee: 25, timestamp_ns: (Date.now() - 1200000) * 1e6 },
  ],
}

// ThunderHub mock web UI
app.get('/app/thunderhub/', (req, res) => {
  const d = MOCK_LND_DATA
  const totalCap = d.channels.reduce((s, c) => s + c.capacity, 0)
  const totalLocal = d.channels.reduce((s, c) => s + c.local_balance, 0)
  const totalRemote = d.channels.reduce((s, c) => s + c.remote_balance, 0)
  const totalFees = d.forwarding.reduce((s, f) => s + f.fee, 0)
  const channelRows = d.channels.map(c => `
    <tr>
      <td>${c.peer_alias}</td>
      <td>${(c.capacity/1e6).toFixed(1)}M</td>
      <td><div style="display:flex;gap:4px;align-items:center"><div style="background:#4ade80;height:8px;width:${Math.round(c.local_balance/c.capacity*100)}%;border-radius:4px"></div><span style="font-size:11px;opacity:.6">${(c.local_balance/1e3).toFixed(0)}k</span></div></td>
      <td><div style="display:flex;gap:4px;align-items:center"><div style="background:#3b82f6;height:8px;width:${Math.round(c.remote_balance/c.capacity*100)}%;border-radius:4px"></div><span style="font-size:11px;opacity:.6">${(c.remote_balance/1e3).toFixed(0)}k</span></div></td>
      <td><span style="color:${c.active ? '#4ade80' : '#ef4444'}">${c.active ? 'Active' : 'Offline'}</span></td>
    </tr>`).join('')
  const invoiceRows = d.invoices.slice().reverse().map(inv => `
    <tr>
      <td>${inv.memo}</td>
      <td>${inv.value.toLocaleString()} sats</td>
      <td><span style="color:${inv.settled ? '#4ade80' : '#fb923c'}">${inv.settled ? 'Settled' : 'Open'}</span></td>
      <td>${new Date(inv.creation_date * 1000).toLocaleString()}</td>
    </tr>`).join('')
  const paymentRows = d.payments.map(p => `
    <tr>
      <td>${p.payment_hash.slice(0,12)}...</td>
      <td>${p.value_sat.toLocaleString()} sats</td>
      <td>${p.fee_sat} sats</td>
      <td style="color:#4ade80">Succeeded</td>
    </tr>`).join('')

  res.type('html').send(`<!DOCTYPE html><html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
<title>ThunderHub — archy-signet</title>
<style>
*{margin:0;padding:0;box-sizing:border-box}
body{background:#0f0f1a;color:#e0e0e0;font-family:system-ui,-apple-system,sans-serif;padding:24px}
h1{font-size:22px;margin-bottom:4px;color:#fb923c}
.subtitle{color:rgba(255,255,255,.5);font-size:13px;margin-bottom:24px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:32px}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px}
.stat .label{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.4);margin-bottom:4px}
.stat .value{font-size:24px;font-weight:600}
.stat .value.green{color:#4ade80}.stat .value.orange{color:#fb923c}.stat .value.blue{color:#3b82f6}
h2{font-size:16px;margin:24px 0 12px;color:rgba(255,255,255,.8)}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:8px 12px;border-bottom:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.4);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.5px}
td{padding:8px 12px;border-bottom:1px solid rgba(255,255,255,.05)}
tr:hover td{background:rgba(255,255,255,.02)}
.section{background:rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:20px;margin-bottom:20px}
.badge{display:inline-block;background:rgba(247,147,26,.15);color:#fb923c;padding:2px 8px;border-radius:6px;font-size:11px;margin-left:8px}
</style></head><body>
<h1>ThunderHub<span class="badge">signet</span></h1>
<div class="subtitle">${d.info.alias} &mdash; block ${d.info.block_height.toLocaleString()} &mdash; ${d.info.num_active_channels} active channels</div>

<div class="grid">
  <div class="stat"><div class="label">On-chain Balance</div><div class="value orange">${(d.balance.confirmed_balance/1e6).toFixed(2)}M sats</div></div>
  <div class="stat"><div class="label">Channel Capacity</div><div class="value">${(totalCap/1e6).toFixed(1)}M sats</div></div>
  <div class="stat"><div class="label">Local Balance</div><div class="value green">${(totalLocal/1e6).toFixed(1)}M sats</div></div>
  <div class="stat"><div class="label">Remote Balance</div><div class="value blue">${(totalRemote/1e6).toFixed(1)}M sats</div></div>
  <div class="stat"><div class="label">Routing Fees Earned</div><div class="value green">${totalFees} sats</div></div>
  <div class="stat"><div class="label">Payments Sent</div><div class="value">${d.payments.length}</div></div>
</div>

<div class="section">
<h2>Channels (${d.channels.length})</h2>
<table><thead><tr><th>Peer</th><th>Capacity</th><th>Local</th><th>Remote</th><th>Status</th></tr></thead><tbody>${channelRows}</tbody></table>
</div>

<div class="section">
<h2>Recent Invoices</h2>
<table><thead><tr><th>Memo</th><th>Amount</th><th>Status</th><th>Created</th></tr></thead><tbody>${invoiceRows}</tbody></table>
</div>

<div class="section">
<h2>Recent Payments</h2>
<table><thead><tr><th>Hash</th><th>Amount</th><th>Fee</th><th>Status</th></tr></thead><tbody>${paymentRows}</tbody></table>
</div>

<div class="section">
<h2>Forwarding History</h2>
<table><thead><tr><th>In Channel</th><th>Out Channel</th><th>Amount</th><th>Fee</th><th>Time</th></tr></thead><tbody>
${d.forwarding.map(f => {
  const inPeer = d.channels.find(c => c.chan_id === f.chan_id_in)?.peer_alias || f.chan_id_in
  const outPeer = d.channels.find(c => c.chan_id === f.chan_id_out)?.peer_alias || f.chan_id_out
  return `<tr><td>${inPeer}</td><td>${outPeer}</td><td>${f.amt_in.toLocaleString()} sats</td><td>${f.fee} sats</td><td>${new Date(f.timestamp_ns/1e6).toLocaleString()}</td></tr>`
}).join('')}
</tbody></table>
</div>

<p style="text-align:center;color:rgba(255,255,255,.25);font-size:12px;margin-top:32px">Mock ThunderHub &mdash; Archipelago Dev Mode &mdash; No Docker Required</p>
</body></html>`)
})

// ThunderHub API stubs (for any programmatic access)
app.get('/app/thunderhub/api/info', (req, res) => res.json(MOCK_LND_DATA.info))
app.get('/app/thunderhub/api/balance', (req, res) => res.json(MOCK_LND_DATA.balance))
app.get('/app/thunderhub/api/channels', (req, res) => res.json(MOCK_LND_DATA.channels))
app.get('/app/thunderhub/api/invoices', (req, res) => res.json(MOCK_LND_DATA.invoices))
app.get('/app/thunderhub/api/payments', (req, res) => res.json(MOCK_LND_DATA.payments))
app.get('/app/thunderhub/api/forwards', (req, res) => res.json(MOCK_LND_DATA.forwarding))

// Health check
app.get('/health', (req, res) => {
  res.status(200).send('healthy')
})

// WebSocket endpoint
const server = http.createServer(app)
const wss = new WebSocketServer({ server, path: '/ws/db' })

wss.on('connection', (ws, req) => {
  console.log('[WebSocket] Client connected from', req.socket.remoteAddress)
  wsClients.add(ws)

  // Set up ping/pong to keep connection alive
  const pingInterval = setInterval(() => {
    if (ws.readyState === 1) { // OPEN
      try {
        ws.ping()
      } catch (err) {
        console.error('[WebSocket] Ping error:', err)
        clearInterval(pingInterval)
        clearInterval(heartbeatInterval)
      }
    } else {
      clearInterval(pingInterval)
      clearInterval(heartbeatInterval)
    }
  }, 30000) // Ping every 30 seconds

  // Send periodic heartbeat data so clients don't think the connection is dead
  const heartbeatInterval = setInterval(() => {
    if (ws.readyState === 1) {
      try {
        ws.send(JSON.stringify({ type: 'heartbeat', rev: Date.now() }))
      } catch { /* ignore */ }
    }
  }, 45000) // Every 45s (client expects data within 60s)

  // Send initial data immediately
  try {
    ws.send(JSON.stringify({
      type: 'initial',
      data: mockData,
    }))
    console.log('[WebSocket] Initial data sent')
  } catch (err) {
    console.error('[WebSocket] Error sending initial data:', err)
  }

  ws.on('pong', () => {
    // Client responded to ping, connection is alive
  })

  ws.on('message', (message) => {
    // Handle incoming messages if needed
    try {
      const data = JSON.parse(message.toString())
      console.log('[WebSocket] Received message:', data)
    } catch (err) {
      console.error('[WebSocket] Error parsing message:', err)
    }
  })

  ws.on('close', (code, reason) => {
    console.log('[WebSocket] Client disconnected', { code, reason: reason.toString() })
    clearInterval(pingInterval)
    clearInterval(heartbeatInterval)
    wsClients.delete(ws)
  })

  ws.on('error', (error) => {
    console.error('[WebSocket Error]', error)
    clearInterval(pingInterval)
    clearInterval(heartbeatInterval)
    wsClients.delete(ws)
  })
})

server.listen(PORT, '0.0.0.0', async () => {
  const runtime = await isContainerRuntimeAvailable()
  
  // Initialize package data from Docker
  await initializePackageData()
  
  console.log(`
╔════════════════════════════════════════════════════════════╗
║                                                            ║
║   🚀 Archipelago Mock Backend Server                      ║
║                                                            ║
║   RPC:       http://localhost:${PORT}/rpc/v1               ║
║   WebSocket: ws://localhost:${PORT}/ws/db                  ║
║                                                            ║
║   Dev Mode:  ${DEV_MODE.padEnd(47)}║
║   Setup:     ${userState.setupComplete ? '✅ Complete' : '❌ Not done'.padEnd(47)}║
║   Onboarding: ${userState.onboardingComplete ? '✅ Complete' : '❌ Not done'.padEnd(46)}║
║                                                            ║
║   Mock Password: ${MOCK_PASSWORD.padEnd(40)}║
║                                                            ║
║   Container Runtime: ${runtime.available ? `✅ ${runtime.runtime}`.padEnd(40) : '⏭️  Simulation mode'.padEnd(40)}║
║   Claude API Key:    ${process.env.ANTHROPIC_API_KEY ? '✅ Set (' + process.env.ANTHROPIC_API_KEY.slice(0, 12) + '...)' : '❌ Not set (chat disabled)'.padEnd(40)}║
║                                                            ║
╚════════════════════════════════════════════════════════════╝
  `)
  console.log('Mock backend is running. Press Ctrl+C to stop.\n')

  // Pre-check Anthropic API connectivity
  if (process.env.ANTHROPIC_API_KEY) {
    try {
      const dns = await import('dns')
      dns.lookup('api.anthropic.com', (err, address) => {
        if (err) {
          console.error('[Claude Proxy] ⚠ DNS lookup failed for api.anthropic.com:', err.message)
          console.error('[Claude Proxy]   Chat will fail. Check container DNS settings.')
        } else {
          console.log('[Claude Proxy] ✅ api.anthropic.com resolves to', address)
        }
      })
    } catch { /* ignore */ }
  }
  
  // Periodically update package data from Docker (merge with static dev apps)
  // Only poll if container runtime is available (avoids log spam in demo/Docker deployments)
  if (runtime.available) {
    setInterval(async () => {
      const dockerApps = await getDockerContainers()
      mockData['package-data'] = mergePackageData(dockerApps)

      // Broadcast update to connected clients
      broadcastUpdate([
        {
          op: 'replace',
          path: '/package-data',
          value: mockData['package-data']
        }
      ])
    }, 5000) // Update every 5 seconds
  }
})

process.on('SIGINT', () => {
  console.log('\n\nShutting down mock backend...')
  server.close(() => {
    console.log('Server stopped.')
    process.exit(0)
  })
})