feat: add deterministic goat routine

docs/PROJECT_CONTEXT.md

@@ -553,6 +553,7 @@ NpcVisual navigates through the active world
 │   ├── SimulationClock.gd
 │   ├── SimulationManager.gd
 │   ├── actions/               Selection, execution, and target resolution
+│   ├── animals/               Animal needs, routines, reservations, and care
 │   ├── benchmark/             Population/history and resource-query workloads
 │   ├── definitions/           Stable IDs and custom definition resources
 │   ├── economy/               Inventory and storage transactions
@@ -587,6 +588,10 @@ NpcVisual navigates through the active world
 │   ├── benchmark_loaded_resource_discovery.gd
 │   └── generate_jajce_terrain_seed.gd
 ├── world/
+│   ├── animals/
+│   │   ├── animal_node.gd
+│   │   ├── animal_routine_site.gd
+│   │   └── goat/              Goat scene, habitat, visual, and lookdev assets
 │   ├── jajce/
 │   │   ├── JajceWorld.tscn
 │   │   ├── JajceLookdev.tscn
@@ -618,7 +623,7 @@ These are expected prototype constraints, not necessarily isolated bugs:
   the typed pantry `StorageNode`, and patrol/study/rest use `ActivitySite`.
 - Current NPC, village, resource, storage, animal, event, knowledge,
   relationship, opportunity, clock, and RNG state serialize through world
-  schema v10. F5/F9 provide one validated local quicksave; a save menu,
+  schema v11. F5/F9 provide one validated local quicksave; a save menu,
   metadata, and player-transform persistence remain deferred.
 - Simulation-owned resource records retain live amounts, reservations, and
   usage definitions while ResourceNode scenes are unloaded.
@@ -991,9 +996,13 @@ 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.
 World-schema v10 restore reconstructs her persistent state without replaying
-the transient response. The next bounded animal slice should give Dunja one
-deterministic pasture/shelter routine before adding another goat. Do not yet
-generalize animal discovery or introduce active/abstract simulation LOD.
+the transient response. Dunja now also alternates between a stable shelter and
+pasture through real loaded navigation. World-schema v11 preserves exact
+mid-route position, destination, and schedule through restore or presentation
+unload/reload without consuming decision RNG. The next bounded animal slice
+should add one second named goat and prove independent nearest-target care
+before any herd abstraction. Do not yet generalize animal discovery or
+introduce active/abstract simulation LOD.
 
 The remaining simulation-garden target still aims for: