docs: document simulation readability layer

docs/BUILD_IN_PUBLIC_PLAN.md

@@ -460,6 +460,13 @@ Add presentation for systems that already exist:
 Do not fake activity that contradicts simulation state. A farmer icon should
 represent a real chosen task.
 
+**Status: core readability complete.** Profession definitions now drive
+distinct NPC colors and props, world labels identify each villager, and the
+Tab-cycled inspector shows authoritative need values, task state, destination,
+decision branch, and utility scores. The existing carried-food prop and village
+panel expose immediate consequences. A cinematic/debug toggle and repeatable
+demo reset remain Phase 6 capture tooling.
+
 ### Exit condition
 
 A viewer can distinguish at least three professions and understand one NPC's
@@ -617,7 +624,7 @@ Completed:
 Next:
 
 1. Capture and visually review “Jajce Lookdev 01.”
-2. Add profession/readability presentation and the reason inspector.
+2. Add the cinematic/debug toggle and repeatable demo reset.
 3. Capture “Simulation Garden 01.”
 
 Do not start with GIS data, a full city, a large asset pack, or more NPC