Document resource depletion persistence

Scripts/verify_resource_node_persistence.py

@@ -46,12 +46,19 @@ EXPECTED = {
         "Resource node persistence is map/tile state",
         "captures only resource nodes that exist in the",
     ],
+    ROOT / "Docs" / "PersistenceDesignDocument.md": [
+        "`FAgrarianSavedResourceNode`",
+        "`ResourceNodeId`, remaining harvest count, and the MVP respawn flag",
+        "matching map-authored nodes during load",
+    ],
     ROOT / "Docs" / "Terrain" / "GroundZeroResourcePass.md": [
         "Ground Zero resource actors receive stable `PersistenceNodeId` values",
         "resource nodes that exist in the loaded world",
     ],
     ROOT / "AGRARIAN_DEVELOPMENT_ROADMAP.md": [
         "[x] Add resource node persistence.",
+        "[x] Save resource depletion state if needed.",
+        "`FAgrarianSavedResourceNode`",
     ],
 }