feat: Add connection validation before sending messages and extend support chat admin access to include SUPER_ADMIN role.

src/messages/messages.service.ts

@@ -191,6 +191,17 @@ export class MessagesService {
       throw new ForbiddenException('You are not part of this conversation');
     }
 
+    // Verify connection is still active before allowing message
+    const canMessage = await this.validateCanMessage(
+      conversation.userId,
+      conversation.agentProfileId,
+    );
+    if (!canMessage) {
+      throw new ForbiddenException(
+        'You can only message users with accepted connection requests',
+      );
+    }
+
     // Create the message
     const message = await this.prisma.message.create({
       data: {