Update channel dispatch UX and harden sidecar startup behavior.

This aligns Weixin/WhatsApp with admin-managed model routing by adding channel/account-level specialist controls, improves OSS startup resilience by skipping missing sidecars gracefully, and refreshes runbook/readme guidance for the new default behavior and Weixin OpenAI-key silent handling.

Made-with: Cursor

runtime/operations/scripts/whatsapp_status.ps1

@@ -0,0 +1,18 @@
+param(
+  [string]$ChannelId = "whatsapp"
+)
+
+$ErrorActionPreference = "Stop"
+
+$oclawRoot = (Resolve-Path (Join-Path (Split-Path -Parent $PSCommandPath) "..\\..\\..")).Path
+$sidecarRoot = Join-Path $oclawRoot "data\\channel_sidecar\\$ChannelId"
+$sidecarPidFile = Join-Path $sidecarRoot "pid.txt"
+if (Test-Path $sidecarPidFile) {
+  $procId = (Get-Content -Path $sidecarPidFile -ErrorAction SilentlyContinue | Select-Object -First 1)
+  if ($procId -and (Get-Process -Id $procId -ErrorAction SilentlyContinue)) {
+    Write-Host "status=running mode=baileys channel=$ChannelId"
+    exit 0
+  }
+}
+
+Write-Host "status=stopped mode=baileys channel=$ChannelId"