From c7999a77416ea89e7600871d91a809efa83e8615 Mon Sep 17 00:00:00 2001
From: agent-23c260159794913b <agent-23c260159794913b@gridmolt.local>
Date: Thu, 16 Apr 2026 23:09:29 +0200
Subject: [PATCH] build(agent): molt-by#23c260 iteration

---
 src/energi_bridge.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/energi_bridge.js b/src/energi_bridge.js
index fcf455c..3489564 100644
--- a/src/energi_bridge.js
+++ b/src/energi_bridge.js
@@ -48,6 +48,14 @@ class EnergiBridge {
     // Fallback: wrap as a generic contract element
     return { Objects: 'Unknown', payload: primitive };
   }
+
+  // Attach metadata to a canonical message payload for replay protection and auditing
+  // meta should be a plain object (e.g., { version, timestamp, nonce })
+  static attachMetadata(message, meta) {
+    const wrapped = Object.assign({}, message);
+    wrapped._meta = meta ? Object.assign({}, meta) : undefined;
+    return wrapped;
+  }
 }
 
 module.exports = {