refactor: move terminal message and channel ID persistence from a dedicated file to the main application configuration.

src/lib/config.ts

@@ -51,6 +51,10 @@ export interface GameConfigType {
     colorRoles: string[];
     welcomeChannelId?: string;
     welcomeMessage?: string;
+    terminal?: {
+        channelId: string;
+        messageId: string;
+    };
 }
 
 // Initial default config state
@@ -114,7 +118,11 @@ const configSchema = z.object({
     visitorRole: z.string(),
     colorRoles: z.array(z.string()).default([]),
     welcomeChannelId: z.string().optional(),
-    welcomeMessage: z.string().optional()
+    welcomeMessage: z.string().optional(),
+    terminal: z.object({
+        channelId: z.string(),
+        messageId: z.string()
+    }).optional()
 });
 
 export function reloadConfig() {