refactor(server): apply rustfmt and clippy suggestions

Formatting pass across simulation, perception, knowledge, NPC, and
test modules. Includes two clippy fixes in monologue.rs (.values()
instead of for (_, v) pattern).

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

server/src/simulation/pathfinding.rs

@@ -102,7 +102,12 @@ pub fn compute_paths(
             Some((path, _cost)) => {
                 // path includes start position; skip it
                 let steps: Vec<TilePosition> = path.into_iter().skip(1).collect();
-                tracing::trace!("Entity {:?}: path to {:?}, {} steps", entity, goal, steps.len());
+                tracing::trace!(
+                    "Entity {:?}: path to {:?}, {} steps",
+                    entity,
+                    goal,
+                    steps.len()
+                );
                 commands.entity(entity).insert(ComputedPath {
                     steps,
                     current_index: 0,
@@ -208,10 +213,7 @@ mod tests {
         world.insert_resource(map);
 
         let entity = world
-            .spawn((
-                TilePosition::new(5, 5, 0),
-                PathRequest { goal },
-            ))
+            .spawn((TilePosition::new(5, 5, 0), PathRequest { goal }))
             .id();
 
         let mut schedule = bevy_ecs::schedule::Schedule::default();