fix(simulation): clean up warnings in spawn and template modules (#166)

Remove duplicate #[test] attribute, unused TemplateId import, and dead
spawn_escalation_npc helper function (no longer referenced after #250
refactor).

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

server/src/content/spawn.rs

@@ -1263,7 +1263,6 @@ mod tests {
         assert_eq!(edge.trust, 7);
     }
 
-    #[test]
     #[test]
     fn spawn_npc_combat_trained_sets_skill_flag() {
         // #91: combat_trained: true in YAML sets SkillSet.combat_trained = true.
@@ -1343,8 +1342,8 @@ mod tests {
     fn minimal_template_def_4_roles() -> crate::content::template::FullTemplateDef {
         use crate::content::template::{
             ConflictType, CrossTemplateLinkSpec, FullTemplateDef, NpcAxis, PrivacyLevel,
-            RelationshipConstraint, RoleId, RoleSchema, SpaceSpec, TemplateId, TrafficPattern,
-            TriangleDef, TriangleId, TrustRange,
+            RelationshipConstraint, RoleId, RoleSchema, SpaceSpec, TrafficPattern, TriangleDef,
+            TriangleId, TrustRange,
         };
         use crate::npc::{RelationshipKind, Skill};
 

server/src/content/template.rs

@@ -1564,7 +1564,6 @@ mod tests {
     // #250 — Triangle escalation system tests
     // -----------------------------------------------------------------------
 
-    use crate::npc::Npc;
     use crate::simulation::time::SimulationTime;
     use bevy_ecs::schedule::Schedule;
 
@@ -1577,33 +1576,6 @@ mod tests {
         world
     }
 
-    /// Helper: spawn an NPC with a known StableId and ToleranceThreshold,
-    /// and register it in the EntityRegistry.
-    fn spawn_escalation_npc(
-        world: &mut bevy_ecs::world::World,
-        stable_id: u64,
-        threshold: i16,
-    ) -> bevy_ecs::entity::Entity {
-        let sid = StableId(stable_id);
-        let entity = world
-            .spawn((
-                Npc,
-                ActiveSim,
-                StableEntityId(sid),
-                ToleranceThreshold {
-                    current_stress: 0,
-                    threshold,
-                },
-            ))
-            .id();
-
-        world
-            .resource_mut::<EntityRegistry>()
-            .register_existing(entity, sid);
-
-        entity
-    }
-
     // escalation_simmering_to_active, resolve, dormant_skip, resolved_skip,
     // game-minute-only, active-sim-only, saturation, resolve-targeting — all
     // covered by integration tests in tests/triangle_escalation.rs.