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_stop.ps1

@@ -0,0 +1,37 @@
+param(
+  [string]$ChannelId = "whatsapp",
+  [switch]$Force
+)
+
+$ErrorActionPreference = "Stop"
+
+function Resolve-RepoRoot {
+  $here = Split-Path -Parent $PSCommandPath
+  return (Resolve-Path (Join-Path $here "..\\..\\..")).Path
+}
+
+$systemNodeDir = "C:\\Program Files\\nodejs"
+if (Test-Path (Join-Path $systemNodeDir "node.exe")) {
+  $env:PATH = "$systemNodeDir;$env:PATH"
+}
+
+$oclawRoot = Resolve-RepoRoot
+$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) {
+    if ($Force) {
+      taskkill.exe /PID $procId /T /F 2>$null | Out-Null
+    } else {
+      taskkill.exe /PID $procId /T 2>$null | Out-Null
+      if ($LASTEXITCODE -ne 0) {
+        taskkill.exe /PID $procId /T /F 2>$null | Out-Null
+      }
+    }
+  }
+  Remove-Item -Force $sidecarPidFile -ErrorAction SilentlyContinue
+}
+
+Write-Host "[ok] stopped whatsapp channel=$ChannelId"