refactor(simulation): apply rustfmt formatting

Formatting-only changes across server source and test files.
No logic changes.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/src/perception/mod.rs

@@ -26,10 +26,8 @@ impl Plugin for PerceptionPlugin {
             .add_systems(
                 Update,
                 (
-                    anomaly::clear_anomaly_markers
-                        .before(anomaly::detect_anomalies),
-                    anomaly::detect_anomalies
-                        .before(observation::emit_observation_events),
+                    anomaly::clear_anomaly_markers.before(anomaly::detect_anomalies),
+                    anomaly::detect_anomalies.before(observation::emit_observation_events),
                     cognitive_delay::process_cognitive_delay
                         .after(observation::emit_observation_events)
                         .before(crate::knowledge::events::process_knowledge_events),

server/src/perception/observer/mod.rs

@@ -15,9 +15,9 @@ use crate::knowledge::{EntityRegistry, KnowledgeGraph, StableId};
 use crate::perception::cognitive_delay::CognitiveDelay;
 use crate::perception::query::{ActivePerceptionMode, VisibilityGeometry};
 use crate::perception::vision_cone::Facing;
+use crate::simulation::dialogue::DialogueResponseBuffer;
 use crate::simulation::interaction::NearbyInteractionBuffer;
 use crate::simulation::inventory::{CarriedBy, InventorySlot, ItemName};
-use crate::simulation::dialogue::DialogueResponseBuffer;
 use crate::simulation::monologue::{MonologueBuffer, SprintAnomalyQueue};
 use crate::simulation::movement::{PlayerCharacter, TilePosition, WalkabilityMap};
 use crate::simulation::stance::Stance;

server/src/perception/observer/tests.rs

@@ -1948,7 +1948,11 @@ fn equidistant_npcs_produce_stable_snapshot_ordering() {
         .map(|e| e.entity_id)
         .collect();
 
-    assert_eq!(npc_ids.len(), 3, "all three equidistant NPCs should be visible");
+    assert_eq!(
+        npc_ids.len(),
+        3,
+        "all three equidistant NPCs should be visible"
+    );
 
     // Entity IDs must be in strictly ascending order (Fix B sort guarantee)
     for i in 1..npc_ids.len() {