feat: add physical animal care delivery

docs/PROJECT_CONTEXT.md

@@ -642,6 +642,10 @@ These are expected prototype constraints, not necessarily isolated bugs:
 - Food and wood now move through finite sources, NPC inventory, and typed
   village storage. Other village metrics remain aggregate values rather than
   located items.
+- NPC animal care keeps one exact named-goat claim through a real pantry pickup
+  and carried-inventory delivery. The existing persisted task, target,
+  destination, inventory, and animal reservation encode both legs without a
+  separate saved phase.
 - NPCs have home positions, schedule periods, carried food/wood, and directed
   familiarity/trust. They retain direct or one-hop communicated knowledge of a
   food deposit or NPC pantry withdrawal, plus direct missing-wood blocked-work
@@ -895,10 +899,12 @@ The location-based food loop is complete and traceable: gathering creates
 carried food, depositing fills the pantry, withdrawal retrieves one unit, and
 eating consumes it. Each successful transfer creates a persisted structured
 event, and active NPCs visibly carry food through presentation derived from
-their inventory. The bounded save-slot slice is also complete, including
-validation, atomic replacement recovery, and active-visual rebuilding.
-Terrain3D runtime integration, the bounded Jajce beauty pass, and the first
-simulation-garden runtime capture are complete.
+their inventory. Animal care now uses that same ownership path: the caretaker
+withdraws at the pantry, carries the unit to the exact claimed goat, and pays
+from inventory at delivery. The bounded save-slot slice is also complete,
+including validation, atomic replacement recovery, and active-visual
+rebuilding. Terrain3D runtime integration, the bounded Jajce beauty pass, and
+the first simulation-garden runtime capture are complete.
 
 The first relationship and knowledge consequences are also complete:
 food-deposit events become separate known facts for their actor and nearby
@@ -1001,7 +1007,7 @@ decorative density from simulation authority, support discovery beyond the
 first 24 m range, and reconstruct sparse/depleted visuals from authoritative
 amount. Dunja now proves the first identity-backed animal contract: stable
 animal identity, simulation-owned position and hunger, a loaded visual binding,
-and the same exact pantry-conserving feed operation for NPC and player.
+and the same exact food-conserving target mutation for NPC and player.
 World-schema v10 restore reconstructs her persistent state without replaying
 the transient response. Dunja now also alternates between a stable shelter and
 pasture through real loaded navigation. World-schema v11 preserves exact
@@ -1014,8 +1020,14 @@ preserves both claim pairings without serializing shelter ownership. Do not
 generalize animal discovery or introduce herd scheduling, products, breeding,
 or active/abstract animal LOD. The named-pair gate instead produced one
 Milestone 9 context-action result shared by prompt and execution, with exact
-pantry feedback and no persistent UI state. The next animal-facing proof should
-make NPC care visibly carry one real pantry food to its exact reserved goat.
+pantry feedback and no persistent UI state. NPC care now completes that
+physical proof with one compound pantry-to-inventory-to-goat action, exact
+claim continuity, visible carrying, late-contention safety, and post-pickup
+deterministic continuation. The next bounded proof should let the player
+inspect one nearby villager's real action, target, carried item, and recorded
+decision reason when available. After restore it should re-derive persistent
+facts and honestly await the next decision reason without introducing dialogue
+or saved UI state.
 
 The remaining simulation-garden target still aims for: