docs: replace front door terminology

packages/bundle/base/cordis.patch.yml

@@ -65,7 +65,7 @@
     - id: agent
       name: '@deepseek-ai/dsh-agent'
 
-    # The transport-independent default for Agents created by front doors.
+    # The transport-independent default for Agents created by entry points.
     # Settings may supply a saved selection; consumers read it at creation time.
     - id: agent-default-model
       name: '@deepseek-ai/dsh-agent-default-model'