feat: author discoverable forest edge

docs/PROJECT_CONTEXT.md

@@ -982,14 +982,15 @@ Raw samples and workload exclusions live in
 [Simulation scaling baseline 02](benchmarks/SIMULATION_SCALING_BASELINE_02.md)
 and [Loaded Resource Discovery 01](benchmarks/LOADED_RESOURCE_DISCOVERY_01.md).
 
-The authored Jajce watercourse, navigation rebake, and first bounded
-foliage/resource placement proof are complete. The next slice should derive
-low/depleted berry and tree visuals from authoritative resource amount, cover
-real NPC/player extraction and save/restore reconstruction, and keep that
-presentation out of serialized simulation state. Apply the cluster workflow to
-a second forest edge only after the depletion contract supplies a real second
-consumer. Do not yet generalize the resource grid or introduce active/abstract
-simulation LOD.
+The authored Jajce watercourse, navigation rebake, amount-derived resource
+visuals, and two bounded foliage/resource placement proofs are complete. The
+riverbank and forest edge preserve stable finite-resource IDs, separate
+decorative density from simulation authority, support discovery beyond the
+first 24 m range, and reconstruct sparse/depleted visuals from authoritative
+amount. The next slice should introduce one named goat only through a stable
+simulation identity, authoritative position and feed state, loaded visual
+binding, exact NPC/player feeding cost, and deterministic save/restore. Do not
+yet generalize the resource grid or introduce active/abstract simulation LOD.
 
 The remaining simulation-garden target still aims for: