style(simulation): cargo fmt

Formatting normalization caught by pre-push hook.

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

server/src/perception/observer/mod.rs

@@ -654,10 +654,7 @@ fn collect_remembered_entities(
 /// ObjectType + proximity. Phase 2 (here) reads the observer's KnowledgeGraph
 /// to filter, augment, and relabel. This separation keeps D-010 principle 1
 /// (info boundary) clean — simulation doesn't know what the observer knows.
-fn apply_phase2_verb_filter(
-    interactions: &mut [NearbyInteraction],
-    observer_kg: &KnowledgeGraph,
-) {
+fn apply_phase2_verb_filter(interactions: &mut [NearbyInteraction], observer_kg: &KnowledgeGraph) {
     for interaction in interactions.iter_mut() {
         let stable_id = StableId(interaction.entity_id);
         let knowledge = observer_kg.entity_knowledge(&stable_id);

server/src/simulation/examine.rs

@@ -190,8 +190,7 @@ pub fn process_examine_interaction(
     >,
     examine_text_query: Query<(&TilePosition, Option<&ExamineText>)>,
 ) {
-    let Ok((player_entity, player_pos, examine_req, mut result_buffer)) =
-        player_query.single_mut()
+    let Ok((player_entity, player_pos, examine_req, mut result_buffer)) = player_query.single_mut()
     else {
         return;
     };

server/src/simulation/save_io.rs

@@ -989,10 +989,7 @@ mod tests {
         // Clear the resource to prove load restores it, not the pre-existing value.
         world.insert_resource(SelectedBookmark::default());
         assert!(
-            world
-                .resource::<SelectedBookmark>()
-                .bookmark_id
-                .is_none(),
+            world.resource::<SelectedBookmark>().bookmark_id.is_none(),
             "bookmark must be cleared before load"
         );
 

server/src/simulation/save_state.rs

@@ -39,6 +39,7 @@ use bevy_ecs::entity::Entity;
 use bevy_ecs::world::World;
 use serde::{Deserialize, Serialize};
 
+use crate::bookmark::SelectedBookmark;
 use crate::knowledge::graph::KnowledgeGraph;
 use crate::knowledge::registry::StableEntityId;
 use crate::knowledge::types::StableId;
@@ -51,7 +52,6 @@ use crate::npc::{
     PersonalityTraits, Relationships, Secret, SecretSeverity, SkillSet, TellSystem,
     ToleranceThreshold, Want, WantKind,
 };
-use crate::bookmark::SelectedBookmark;
 use crate::simulation::modification::Modification;
 use crate::simulation::movement::TilePosition;
 use crate::simulation::time::TickRate;
@@ -916,7 +916,10 @@ mod tests {
 
         // Idempotent re-serialize: bytes must be stable
         let bytes2 = recovered.to_bytes().expect("re-serialize");
-        assert_eq!(bytes, bytes2, "SelectedBookmark roundtrip must be idempotent");
+        assert_eq!(
+            bytes, bytes2,
+            "SelectedBookmark roundtrip must be idempotent"
+        );
     }
 
     #[test]