Count route preference override service activity

crates/rrt-runtime/src/import.rs

@@ -14306,6 +14306,8 @@ mod tests {
             service_state: RuntimeServiceState {
                 periodic_boundary_calls: 9,
                 annual_finance_service_calls: 0,
+                periodic_route_preference_override_apply_count: 0,
+                periodic_route_preference_override_restore_count: 0,
                 trigger_dispatch_counts: BTreeMap::new(),
                 total_event_record_services: 4,
                 dirty_rerun_count: 2,

crates/rrt-runtime/src/runtime.rs

@@ -1270,6 +1270,10 @@ pub struct RuntimeServiceState {
     #[serde(default)]
     pub annual_finance_service_calls: u64,
     #[serde(default)]
+    pub periodic_route_preference_override_apply_count: u64,
+    #[serde(default)]
+    pub periodic_route_preference_override_restore_count: u64,
+    #[serde(default)]
     pub trigger_dispatch_counts: BTreeMap<u8, u64>,
     #[serde(default)]
     pub total_event_record_services: u64,
@@ -4734,6 +4738,9 @@ pub fn runtime_begin_company_periodic_route_preference_override(
         .service_state
         .active_periodic_route_preference_override = Some(override_state.clone());
     state.service_state.last_periodic_route_preference_override = Some(override_state.clone());
+    state
+        .service_state
+        .periodic_route_preference_override_apply_count += 1;
     Some(override_state)
 }
 
@@ -4746,6 +4753,9 @@ pub fn runtime_end_company_periodic_route_preference_override(
         .take()?;
     state.world_restore.auto_show_grade_during_track_lay_raw_u8 =
         override_state.base_route_preference_raw_u8;
+    state
+        .service_state
+        .periodic_route_preference_override_restore_count += 1;
     Some(override_state)
 }
 
@@ -9305,6 +9315,18 @@ mod tests {
             state.service_state.last_periodic_route_preference_override,
             Some(applied.clone())
         );
+        assert_eq!(
+            state
+                .service_state
+                .periodic_route_preference_override_apply_count,
+            1
+        );
+        assert_eq!(
+            state
+                .service_state
+                .periodic_route_preference_override_restore_count,
+            0
+        );
 
         let restored = runtime_end_company_periodic_route_preference_override(&mut state)
             .expect("override should restore");
@@ -9323,6 +9345,18 @@ mod tests {
             state.service_state.last_periodic_route_preference_override,
             Some(restored)
         );
+        assert_eq!(
+            state
+                .service_state
+                .periodic_route_preference_override_apply_count,
+            1
+        );
+        assert_eq!(
+            state
+                .service_state
+                .periodic_route_preference_override_restore_count,
+            1
+        );
     }
 
     #[test]

crates/rrt-runtime/src/summary.rs

@@ -298,6 +298,8 @@ pub struct RuntimeSummary {
     pub total_event_record_service_count: u64,
     pub periodic_boundary_call_count: u64,
     pub annual_finance_service_call_count: u64,
+    pub periodic_route_preference_override_apply_count: u64,
+    pub periodic_route_preference_override_restore_count: u64,
     pub annual_dividend_adjustment_commit_count: u64,
     pub annual_bond_last_retired_principal_total: u64,
     pub annual_bond_last_issued_principal_total: u64,
@@ -1592,6 +1594,12 @@ impl RuntimeSummary {
             total_event_record_service_count: state.service_state.total_event_record_services,
             periodic_boundary_call_count: state.service_state.periodic_boundary_calls,
             annual_finance_service_call_count: state.service_state.annual_finance_service_calls,
+            periodic_route_preference_override_apply_count: state
+                .service_state
+                .periodic_route_preference_override_apply_count,
+            periodic_route_preference_override_restore_count: state
+                .service_state
+                .periodic_route_preference_override_restore_count,
             annual_dividend_adjustment_commit_count: state
                 .service_state
                 .annual_dividend_adjustment_commit_count,
@@ -3106,6 +3114,16 @@ mod tests {
             summary.selected_company_periodic_service_route_quality_multiplier_basis_points,
             Some(180)
         );
+        assert_eq!(
+            summary.active_periodic_route_preference_override_company_id,
+            None
+        );
+        assert_eq!(
+            summary.last_periodic_route_preference_override_company_id,
+            None
+        );
+        assert_eq!(summary.periodic_route_preference_override_apply_count, 0);
+        assert_eq!(summary.periodic_route_preference_override_restore_count, 0);
         assert_eq!(summary.selected_company_chairman_bonus_year, Some(1842));
         assert_eq!(summary.selected_company_chairman_bonus_amount, Some(750));
     }

docs/rehost-queue.md

@@ -76,6 +76,10 @@ Working rule:
   override rewrites `[world+0x4c74]` to the effective route preference for the selected company
   service pass, and ending the override restores the base world byte instead of leaving the seam as
   a pure reader bridge.
+- The same route-preference mutation seam now also carries explicit apply/restore service counters
+  through runtime service state and summaries, so later periodic-company branches can assert that
+  override activity happened even before the missing city-connection / linked-transit service
+  owners are fully rehosted.
 - Company cash, confiscation, and major governance effects now write through owner state instead of
   drifting from market/cache readers.
 - Company credit rating, prime rate, book value per share, investor confidence, and management