diff --git a/eai_agentplatform/frontend/src/skills/shared/officeExecutionRegistry.js b/eai_agentplatform/frontend/src/skills/shared/officeExecutionRegistry.js
index 98e232d..ea1f846 100644
--- a/eai_agentplatform/frontend/src/skills/shared/officeExecutionRegistry.js
+++ b/eai_agentplatform/frontend/src/skills/shared/officeExecutionRegistry.js
@@ -5,7 +5,9 @@
  * Package executors register themselves via `registerOfficeExecution`.
  */
 
-const officeExecutionRegistry = Object.freeze(Object.create(null))
+// This registry is populated by package-level side-effect imports during app startup,
+// so it must stay mutable while registrations run.
+const officeExecutionRegistry = Object.create(null)
 
 /**
  * Register an execution builder for an office skill.