feat: add typed pantry storage site

docs/FOOD_STORAGE_ARCHITECTURE.md

@@ -24,8 +24,8 @@ world only when consumed.
   transactions.
 - `village.food` is a synchronized aggregate view used by the existing UI,
   priorities, and utility scoring. It is not a second mutation path.
-- `PantryMarker` supplies the active-world interaction position for deposit,
-  withdrawal, eating, and current player pantry interaction.
+- `StorageNode` supplies the active-world interaction position and presentation
+  for deposit, withdrawal, eating, and current player pantry interaction.
 
 The village pantry has stable ID `village_pantry`. Storage and NPC inventory
 are included in versioned state and deterministic checksums.
@@ -49,13 +49,13 @@ replans on its next idle tick.
 
 ## Deliberate limits
 
-This slice contains one pantry and one carried item type. It does not yet add:
+This slice contains one authored pantry and one carried item type. It does not
+yet add:
 
 - player inventory;
 - storage reservations or access capacity;
 - multiple households or ownership;
-- spoilage, item quality, weight, or stack definitions;
-- an authored StorageNode scene beyond the current pantry marker.
+- spoilage, item quality, weight, or stack definitions.
 
 Economic transfer events exist, but event retention, denial/depletion facts,
 witnesses, and social interpretation are deliberately deferred.