Add Monad CCIP deploy scripts, relay hardening, and bridge contract updates.

Includes Monad↔Chain138 CCIP proof/deploy/verify tooling, relay service guards,
bridge integration tweaks, and frontend ENS/network config follow-ups.

Co-authored-by: Cursor <cursoragent@cursor.com>

services/relay/src/MessageQueue.js

@@ -124,14 +124,24 @@ export class MessageQueue {
     }
   }
   
-  async add(messageData) {
+  async add(messageData, options = {}) {
     const messageId = messageData.messageId;
-    
-    // Skip if already processed or failed
-    if (this.processed.has(messageId) || this.failed.has(messageId)) {
-      this.logger.debug(`Message ${messageId} already processed or failed, skipping`);
+    const forceReplay = options.forceReplay === true;
+
+    // Skip if already processed
+    if (this.processed.has(messageId)) {
+      this.logger.debug(`Message ${messageId} already processed, skipping`);
       return;
     }
+
+    if (this.failed.has(messageId)) {
+      if (!forceReplay) {
+        this.logger.debug(`Message ${messageId} already failed, skipping`);
+        return;
+      }
+      this.failed.delete(messageId);
+      this.logger.info(`Cleared failed status for replayed message ${messageId}`);
+    }
     
     // Check if already in queue
     const existingIndex = this.queue.findIndex(m => m.messageId === messageId);