fix: macOS compatibility for status commands and gateway client id

Replace Linux-only commands (uptime -s, free -m, df --output=pcent) with
cross-platform alternatives using process.platform detection and Node.js
os module. Rename gateway client ID from control-ui to openclaw-control-ui.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

.env.example

@@ -65,7 +65,7 @@ NEXT_PUBLIC_GATEWAY_PROTOCOL=
 NEXT_PUBLIC_GATEWAY_URL=
 # NEXT_PUBLIC_GATEWAY_TOKEN=  # Optional, set if gateway requires auth token
 # Gateway client id used in websocket handshake (role=operator UI client).
-NEXT_PUBLIC_GATEWAY_CLIENT_ID=control-ui
+NEXT_PUBLIC_GATEWAY_CLIENT_ID=openclaw-control-ui
 
 # === Data Paths (all optional, defaults to .data/ in project root) ===
 # MISSION_CONTROL_DATA_DIR=.data

src/app/api/status/route.ts

@@ -1,5 +1,6 @@
 import { NextRequest, NextResponse } from 'next/server'
 import net from 'node:net'
+import os from 'node:os'
 import { existsSync, statSync } from 'node:fs'
 import path from 'node:path'
 import { runCommand, runOpenClaw, runClawdbot } from '@/lib/command'
@@ -195,23 +196,41 @@ async function getSystemStatus(workspaceId: number) {
   }
 
   try {
-    // System uptime
-    const { stdout: uptimeOutput } = await runCommand('uptime', ['-s'], {
+    // System uptime (cross-platform)
+    if (process.platform === 'darwin') {
+      const { stdout } = await runCommand('sysctl', ['-n', 'kern.boottime'], {
         timeoutMs: 3000
       })
-    const bootTime = new Date(uptimeOutput.trim())
+      // Output format: { sec = 1234567890, usec = 0 } ...
+      const match = stdout.match(/sec\s*=\s*(\d+)/)
+      if (match) {
+        status.uptime = Date.now() - parseInt(match[1]) * 1000
+      }
+    } else {
+      const { stdout } = await runCommand('uptime', ['-s'], {
+        timeoutMs: 3000
+      })
+      const bootTime = new Date(stdout.trim())
       status.uptime = Date.now() - bootTime.getTime()
+    }
   } catch (error) {
     logger.error({ err: error }, 'Error getting uptime')
   }
 
   try {
-    // Memory info
+    // Memory info (cross-platform)
+    if (process.platform === 'darwin') {
+      const totalBytes = os.totalmem()
+      const freeBytes = os.freemem()
+      const totalMB = Math.round(totalBytes / (1024 * 1024))
+      const usedMB = Math.round((totalBytes - freeBytes) / (1024 * 1024))
+      const availableMB = Math.round(freeBytes / (1024 * 1024))
+      status.memory = { total: totalMB, used: usedMB, available: availableMB }
+    } else {
       const { stdout: memOutput } = await runCommand('free', ['-m'], {
         timeoutMs: 3000
       })
-    const memLines = memOutput.split('\n')
-    const memLine = memLines.find(line => line.startsWith('Mem:'))
+      const memLine = memOutput.split('\n').find(line => line.startsWith('Mem:'))
       if (memLine) {
         const parts = memLine.split(/\s+/)
         status.memory = {
@@ -220,6 +239,7 @@ async function getSystemStatus(workspaceId: number) {
           available: parseInt(parts[6]) || 0
         }
       }
+    }
   } catch (error) {
     logger.error({ err: error }, 'Error getting memory info')
   }
@@ -414,14 +434,17 @@ async function performHealthCheck() {
     })
   }
 
-  // Check disk space
+  // Check disk space (cross-platform: use df -h / and parse capacity column)
   try {
-    const { stdout } = await runCommand('df', ['/', '--output=pcent'], {
+    const { stdout } = await runCommand('df', ['-h', '/'], {
       timeoutMs: 3000
     })
     const lines = stdout.trim().split('\n')
     const last = lines[lines.length - 1] || ''
-    const usagePercent = parseInt(last.replace('%', '').trim() || '0')
+    const parts = last.split(/\s+/)
+    // On macOS capacity is col 4 ("85%"), on Linux use% is col 4 as well
+    const pctField = parts.find(p => p.endsWith('%')) || '0%'
+    const usagePercent = parseInt(pctField.replace('%', '') || '0')
     
     health.checks.push({
       name: 'Disk Space',
@@ -436,15 +459,21 @@ async function performHealthCheck() {
     })
   }
 
-  // Check memory usage
+  // Check memory usage (cross-platform)
   try {
+    let usagePercent: number
+    if (process.platform === 'darwin') {
+      const totalBytes = os.totalmem()
+      const freeBytes = os.freemem()
+      usagePercent = Math.round(((totalBytes - freeBytes) / totalBytes) * 100)
+    } else {
       const { stdout } = await runCommand('free', ['-m'], { timeoutMs: 3000 })
-    const lines = stdout.split('\n')
-    const memLine = lines.find((line) => line.startsWith('Mem:'))
+      const memLine = stdout.split('\n').find((line) => line.startsWith('Mem:'))
       const parts = (memLine || '').split(/\s+/)
       const total = parseInt(parts[1] || '0')
       const available = parseInt(parts[6] || '0')
-    const usagePercent = Math.round(((total - available) / total) * 100)
+      usagePercent = Math.round(((total - available) / total) * 100)
+    }
 
     health.checks.push({
       name: 'Memory Usage',

src/lib/websocket.ts

@@ -16,7 +16,7 @@ const log = createClientLogger('WebSocket')
 
 // Gateway protocol version (v3 required by OpenClaw 2026.x)
 const PROTOCOL_VERSION = 3
-const DEFAULT_GATEWAY_CLIENT_ID = process.env.NEXT_PUBLIC_GATEWAY_CLIENT_ID || 'control-ui'
+const DEFAULT_GATEWAY_CLIENT_ID = process.env.NEXT_PUBLIC_GATEWAY_CLIENT_ID || 'openclaw-control-ui'
 
 // Heartbeat configuration
 const PING_INTERVAL_MS = 30_000