feat(discord): consume runtime stop approvals

plugins/discord/src/index.ts

@@ -16,7 +16,7 @@ export interface DiscordPluginConfig {
   interactionBindings?: readonly DiscordInteractionBinding[];
 }
 
-export type DiscordInteractionOperation = 'bind' | 'attach' | 'send' | 'approve';
+export type DiscordInteractionOperation = 'bind' | 'attach' | 'send' | 'approve' | 'stop';
 export type DiscordInteractionRole = 'viewer' | 'operator' | 'admin';
 
 export interface DiscordInteractionBinding {
@@ -34,6 +34,7 @@ const operationRoles: Readonly<
   attach: ['operator', 'admin'],
   send: ['operator', 'admin'],
   approve: ['admin'],
+  stop: ['admin'],
 };
 
 /** Resolves a configuration-owned binding and applies pairing/RBAC before ingress. */
@@ -327,7 +328,14 @@ export class DiscordPlugin {
       },
       this.config.serviceToken,
     );
-    this.socket.emit(content.startsWith('/approve ') ? 'discord:approve' : 'message', envelope);
+    this.socket.emit(
+      content.startsWith('/approve ')
+        ? 'discord:approve'
+        : content.startsWith('/stop ')
+          ? 'discord:stop'
+          : 'message',
+      envelope,
+    );
   }
 
   private isAllowedMessage(message: DiscordMessage): boolean {