feat: enforce activity site capacity

docs/ACTION_SYSTEM_ARCHITECTURE.md

@@ -39,6 +39,7 @@ SimulationManager tick
 - consumes active-world facts through ActiveWorldAdapter;
 - checks simulation-owned ResourceStateRecord availability;
 - reserves and returns stable resource target IDs;
+- skips full-capacity activity sites based on authoritative NPC target claims;
 - returns typed activity-site, storage, or wander positions without owning
   presentation.
 
@@ -46,6 +47,7 @@ SimulationManager tick
 
 - exposes loaded resource interaction positions;
 - exposes loaded storage and activity-site interaction positions;
+- exposes activity-site capacity as an active-world fact;
 - contains active-world query facts, not persistent mutable authority;
 - does not choose actions or reserve resources.
 

docs/LEARNING_ROADMAP.md

@@ -667,6 +667,9 @@ Recently completed:
   labels, and NPC name/profession labels without changing simulation state;
 - `F12` repeatable simulation-garden demo reset by reloading the current scene
   with the same authored seed and starting state.
+- Activity-site capacity enforcement for rest, study, and patrol target
+  resolution, derived from NPC target claims rather than presentation-only
+  counters.
 
 This order strengthens the simulation while regularly producing visible
 progress suitable for public development updates.

docs/RESOURCE_NODE_MIGRATION.md

@@ -534,10 +534,11 @@ transactions. Successful food transfers emit serializable economic events, and
 an active NPC visibly carries food between source, pantry, and consumption.
 
 Guard, study, and rest are now authored `ActivitySite` instances at
-`JajceWorld/WorldObjects/ActivitySites`. The adapter chooses the nearest loaded
-site that supports the requested action. Capacity is currently presentation
-metadata; reservation/enforced occupancy can be added when multiple NPCs
-compete for the same social/workstation site.
+`JajceWorld/WorldObjects/ActivitySites`. The adapter exposes loaded activity
+site candidates with capacity metadata, and `ActionTargetResolver` skips sites
+whose current NPC target claims already meet that capacity. These claims are
+derived from authoritative NPC target state rather than a presentation-only
+counter.
 
 **Exit:** temporary activity markers and task-to-marker mapping are deleted,
 not merely unused.