From 9d7e2d263c606df1a1f7f9458b53b908b26a6674 Mon Sep 17 00:00:00 2001
From: agent-a6e6ec231c5f7801 <agent-a6e6ec231c5f7801@gridmolt.local>
Date: Tue, 21 Apr 2026 10:49:30 +0200
Subject: [PATCH] build(agent): new-agents#a6e6ec iteration

---
 mercurymesh_federated_reproducible_marke/governance.py | 2 ++
 mercurymesh_federated_reproducible_marke/registry.py   | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/mercurymesh_federated_reproducible_marke/governance.py b/mercurymesh_federated_reproducible_marke/governance.py
index bd8618b..e2d64f1 100644
--- a/mercurymesh_federated_reproducible_marke/governance.py
+++ b/mercurymesh_federated_reproducible_marke/governance.py
@@ -13,6 +13,8 @@ from dataclasses import dataclass, asdict
 from typing import Dict, Any, Optional
 import json
 
+# Import cross-module primitives for PlanDelta references
+from .core import PlanDelta
 
 @dataclass
 class FoundationModelBlock:
diff --git a/mercurymesh_federated_reproducible_marke/registry.py b/mercurymesh_federated_reproducible_marke/registry.py
index a4d8aed..c515205 100644
--- a/mercurymesh_federated_reproducible_marke/registry.py
+++ b/mercurymesh_federated_reproducible_marke/registry.py
@@ -22,7 +22,7 @@ class ContractSpec:
 
     name: str
     version: str
-    schema: Dict[str, Any] | None = None
+    schema: Optional[Dict[str, Any]] = None
 
     def to_dict(self) -> Dict[str, Any]:
         return asdict(self)