fix(security): centralize owner-only tool gating and scope maps

src/channels/plugins/agent-tools/whatsapp-login.ts

@@ -5,6 +5,7 @@ export function createWhatsAppLoginTool(): ChannelAgentTool {
   return {
     label: "WhatsApp Login",
     name: "whatsapp_login",
+    ownerOnly: true,
     description: "Generate a WhatsApp QR code for linking, or wait for the scan to complete.",
     // NOTE: Using Type.Unsafe for action enum instead of Type.Union([Type.Literal(...)]
     // because Claude API on Vertex AI rejects nested anyOf schemas as invalid JSON Schema.