feat: add exact player context actions

docs/BUILD_IN_PUBLIC_PLAN.md

@@ -817,14 +817,20 @@ Completed:
     preserves two exact reservations through save/restore, and feeds only the
     named target. Private shelter ownership remains loaded-world context; no
     herd system, animal index, or schema bump was introduced.
+43. `Jajce Context Action 10`: the existing `E` interactions now derive one
+    exact ephemeral result shared by prompt and execution. A restrained,
+    cardless bottom-center HUD names the nearest hungry goat, shows real pantry
+    availability, reports success or blockage, remains visible in cinematic
+    mode, and also covers existing resource, pantry, guard, and study actions.
+    Restore discards transient feedback and re-derives context from live facts.
 
 Next:
 
-1. Playtest the named pair and record one concrete gameplay or scaling need
-   before extending the animal model.
-2. Keep breeding, products, herd scheduling, animal spatial indexing, and
-   active/abstract simulation LOD deferred unless that evidence requires one
-   of them; otherwise return to the broader milestone sequence.
+1. Make NPC feeding visibly collect one real pantry food into the caretaker's
+   existing inventory/carried-food presentation before delivery to the exact
+   reserved goat.
+2. Prove conservation, claim continuity, and save/restore during both travel
+   legs; keep herd, product, indexing, and LOD systems deferred.
 
 Do not start with GIS data, a full city, a large asset pack, or more NPC
 mechanics. The next proof is a beautiful stage for the systems that already