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_install.ps1

@@ -0,0 +1,52 @@
+param(
+  [string]$ChannelId = "whatsapp"
+)
+
+$ErrorActionPreference = "Stop"
+
+$systemNodeDir = "C:\\Program Files\\nodejs"
+if (Test-Path (Join-Path $systemNodeDir "node.exe")) {
+  $env:PATH = "$systemNodeDir;$env:PATH"
+}
+
+function Resolve-RepoRoot {
+  $here = Split-Path -Parent $PSCommandPath
+  return (Resolve-Path (Join-Path $here "..\\..\\..")).Path
+}
+
+$oclawRoot = Resolve-RepoRoot
+$sidecarRoot = Join-Path $oclawRoot "data\\channel_sidecar\\$ChannelId"
+$stateDir = Join-Path $sidecarRoot "state"
+$logDir = Join-Path $sidecarRoot "logs"
+$bridgeSrc = Join-Path $oclawRoot "runtime\\operations\\whatsapp_bridge"
+
+New-Item -ItemType Directory -Force -Path $sidecarRoot | Out-Null
+New-Item -ItemType Directory -Force -Path $stateDir | Out-Null
+New-Item -ItemType Directory -Force -Path $logDir | Out-Null
+
+Push-Location $sidecarRoot
+try {
+  if (-not (Test-Path (Join-Path $sidecarRoot "package.json"))) {
+    npm.cmd init -y | Out-Null
+    if ($LASTEXITCODE -ne 0) { throw "npm init failed with exit code $LASTEXITCODE" }
+  }
+  npm.cmd install --save @whiskeysockets/baileys@latest qrcode-terminal@latest
+  if ($LASTEXITCODE -ne 0) { throw "npm install deps failed with exit code $LASTEXITCODE" }
+  npm.cmd install --save https-proxy-agent@latest
+  if ($LASTEXITCODE -ne 0) { throw "npm install proxy deps failed with exit code $LASTEXITCODE" }
+  npm.cmd install --save tsx@latest typescript@latest
+  if ($LASTEXITCODE -ne 0) { throw "npm install dev deps failed with exit code $LASTEXITCODE" }
+} finally {
+  Pop-Location
+}
+
+if (Test-Path $bridgeSrc) {
+  foreach ($name in @("baileys_runner.ts", "auth.ts", "qr.ts")) {
+    $srcPath = Join-Path $bridgeSrc $name
+    if (Test-Path $srcPath) {
+      Copy-Item -Path $srcPath -Destination (Join-Path $sidecarRoot $name) -Force
+    }
+  }
+}
+
+Write-Host "[ok] installed whatsapp baileys sidecar runtime into $sidecarRoot"