diff --git a/client/tests/fixtures/msgpack/snapshot_boundary_tick_0.msgpack b/client/tests/fixtures/msgpack/snapshot_boundary_tick_0.msgpack
index 8c15d84d3..0a0876c58 100644
Binary files a/client/tests/fixtures/msgpack/snapshot_boundary_tick_0.msgpack and b/client/tests/fixtures/msgpack/snapshot_boundary_tick_0.msgpack differ
diff --git a/client/tests/fixtures/msgpack/snapshot_boundary_tick_127.msgpack b/client/tests/fixtures/msgpack/snapshot_boundary_tick_127.msgpack
index daeb75e4a..6aafb8c2c 100644
Binary files a/client/tests/fixtures/msgpack/snapshot_boundary_tick_127.msgpack and b/client/tests/fixtures/msgpack/snapshot_boundary_tick_127.msgpack differ
diff --git a/client/tests/fixtures/msgpack/snapshot_boundary_tick_2b31m1.msgpack b/client/tests/fixtures/msgpack/snapshot_boundary_tick_2b31m1.msgpack
index 4563da7b2..7d6d91200 100644
Binary files a/client/tests/fixtures/msgpack/snapshot_boundary_tick_2b31m1.msgpack and b/client/tests/fixtures/msgpack/snapshot_boundary_tick_2b31m1.msgpack differ
diff --git a/client/tests/fixtures/msgpack/snapshot_boundary_tick_2b32.msgpack b/client/tests/fixtures/msgpack/snapshot_boundary_tick_2b32.msgpack
index b5b87baf9..cd39ea41f 100644
Binary files a/client/tests/fixtures/msgpack/snapshot_boundary_tick_2b32.msgpack and b/client/tests/fixtures/msgpack/snapshot_boundary_tick_2b32.msgpack differ
diff --git a/client/tests/fixtures/msgpack/snapshot_boundary_tick_32767.msgpack b/client/tests/fixtures/msgpack/snapshot_boundary_tick_32767.msgpack
index a6919aa34..a195fdf6b 100644
Binary files a/client/tests/fixtures/msgpack/snapshot_boundary_tick_32767.msgpack and b/client/tests/fixtures/msgpack/snapshot_boundary_tick_32767.msgpack differ
diff --git a/client/tests/fixtures/msgpack/snapshot_empty.msgpack b/client/tests/fixtures/msgpack/snapshot_empty.msgpack
index 8c15d84d3..0a0876c58 100644
Binary files a/client/tests/fixtures/msgpack/snapshot_empty.msgpack and b/client/tests/fixtures/msgpack/snapshot_empty.msgpack differ
diff --git a/client/tests/fixtures/msgpack/snapshot_multi_entity.msgpack b/client/tests/fixtures/msgpack/snapshot_multi_entity.msgpack
index 719c62e74..a332c6c50 100644
Binary files a/client/tests/fixtures/msgpack/snapshot_multi_entity.msgpack and b/client/tests/fixtures/msgpack/snapshot_multi_entity.msgpack differ
diff --git a/client/tests/fixtures/msgpack/snapshot_one_npc.msgpack b/client/tests/fixtures/msgpack/snapshot_one_npc.msgpack
index e3dc4f11b..0093a3ac1 100644
Binary files a/client/tests/fixtures/msgpack/snapshot_one_npc.msgpack and b/client/tests/fixtures/msgpack/snapshot_one_npc.msgpack differ
diff --git a/client/tests/fixtures/msgpack/snapshot_player.msgpack b/client/tests/fixtures/msgpack/snapshot_player.msgpack
index 400dd2959..e919024ce 100644
Binary files a/client/tests/fixtures/msgpack/snapshot_player.msgpack and b/client/tests/fixtures/msgpack/snapshot_player.msgpack differ
diff --git a/client/tests/fixtures/msgpack/snapshot_v2_full.msgpack b/client/tests/fixtures/msgpack/snapshot_v2_full.msgpack
index 6d489fd8b..b7d86d7de 100644
Binary files a/client/tests/fixtures/msgpack/snapshot_v2_full.msgpack and b/client/tests/fixtures/msgpack/snapshot_v2_full.msgpack differ
diff --git a/server/tests/bridge_ipc.rs b/server/tests/bridge_ipc.rs
index efec87058..886224372 100644
--- a/server/tests/bridge_ipc.rs
+++ b/server/tests/bridge_ipc.rs
@@ -53,6 +53,7 @@ fn snapshot_roundtrip_over_unix_socket() {
                 visibility: VisibilitySector::Forward,
                 relationship: RelationshipState::Unknown,
                 observation: EntityVisibility::Visible,
+                tell_state: None,
             }],
             visible_tiles: vec![],
             nearby_interactions: vec![],
@@ -64,6 +65,7 @@ fn snapshot_roundtrip_over_unix_socket() {
             sound_events: vec![],
             conversation_events: vec![],
             conversation_ended: vec![],
+            follow_state: None,
             rng_seed: None,
         };
 
diff --git a/server/tests/bridge_tcp.rs b/server/tests/bridge_tcp.rs
index b75058c1f..0e949d56b 100644
--- a/server/tests/bridge_tcp.rs
+++ b/server/tests/bridge_tcp.rs
@@ -39,6 +39,7 @@ fn snapshot_roundtrip_over_tcp() {
                 visibility: VisibilitySector::Forward,
                 relationship: RelationshipState::Unknown,
                 observation: EntityVisibility::Visible,
+                tell_state: None,
             }],
             visible_tiles: vec![],
             nearby_interactions: vec![],
@@ -50,6 +51,7 @@ fn snapshot_roundtrip_over_tcp() {
             sound_events: vec![],
             conversation_events: vec![],
             conversation_ended: vec![],
+            follow_state: None,
             rng_seed: None,
         };
 
diff --git a/server/tests/gen_fixtures.rs b/server/tests/gen_fixtures.rs
index 5ff8fec22..51d1f03c5 100644
--- a/server/tests/gen_fixtures.rs
+++ b/server/tests/gen_fixtures.rs
@@ -40,6 +40,7 @@ fn fixture_snapshot(tick: u64, entities: Vec<VisibleEntity>) -> ObserverSnapshot
         sound_events: vec![],
         conversation_events: vec![],
         conversation_ended: vec![],
+        follow_state: None,
         rng_seed: None,
     }
 }
@@ -59,6 +60,7 @@ fn generate_msgpack_fixtures() {
             visibility: VisibilitySector::Forward,
             relationship: RelationshipState::Unknown,
             observation: EntityVisibility::Visible,
+            tell_state: None,
         }],
     );
     write_fixture(
@@ -102,6 +104,7 @@ fn generate_msgpack_fixtures() {
             visibility: VisibilitySector::Forward,
             relationship: RelationshipState::Unknown,
             observation: EntityVisibility::Visible,
+            tell_state: None,
         }],
     );
     write_fixture(
@@ -122,6 +125,7 @@ fn generate_msgpack_fixtures() {
                 visibility: VisibilitySector::Forward,
                 relationship: RelationshipState::Known,
                 observation: EntityVisibility::Visible,
+                tell_state: None,
             },
             VisibleEntity {
                 entity_id: 2,
@@ -132,6 +136,7 @@ fn generate_msgpack_fixtures() {
                 visibility: VisibilitySector::Peripheral,
                 relationship: RelationshipState::Unknown,
                 observation: EntityVisibility::Visible,
+                tell_state: None,
             },
             VisibleEntity {
                 entity_id: 3,
@@ -142,6 +147,7 @@ fn generate_msgpack_fixtures() {
                 visibility: VisibilitySector::Forward,
                 relationship: RelationshipState::Unknown,
                 observation: EntityVisibility::Visible,
+                tell_state: None,
             },
             VisibleEntity {
                 entity_id: 4,
@@ -152,6 +158,7 @@ fn generate_msgpack_fixtures() {
                 visibility: VisibilitySector::Forward,
                 relationship: RelationshipState::Unknown,
                 observation: EntityVisibility::Visible,
+                tell_state: None,
             },
         ],
     );
@@ -182,6 +189,7 @@ fn generate_msgpack_fixtures() {
             visibility: VisibilitySector::Forward,
             relationship: RelationshipState::Unknown,
             observation: EntityVisibility::Visible,
+            tell_state: None,
         }],
         visible_tiles: vec![
             VisibleTile {
@@ -218,6 +226,7 @@ fn generate_msgpack_fixtures() {
         sound_events: vec![],
         conversation_events: vec![],
         conversation_ended: vec![],
+        follow_state: None,
         rng_seed: None,
     };
     write_fixture(
diff --git a/server/tests/golden/proof_room_tick_10.json b/server/tests/golden/proof_room_tick_10.json
index 700eaff99..1f4f346c8 100644
--- a/server/tests/golden/proof_room_tick_10.json
+++ b/server/tests/golden/proof_room_tick_10.json
@@ -38,6 +38,7 @@
       "z": 0
     }
   ],
+  "follow_state": null,
   "game_time": {
     "day": 0,
     "day_phase": "Morning",
@@ -48,7 +49,7 @@
   "pending_recognitions": [
     {
       "entity_id": 1,
-      "remaining_ticks": 2,
+      "remaining_ticks": 1,
       "total_delay_ticks": 6,
       "x": 16.5,
       "y": 13.5,
@@ -70,7 +71,7 @@
   "scan_events": [],
   "sound_events": [],
   "tick": 8,
-  "version": 12,
+  "version": 13,
   "visible_tiles": [
     {
       "tile_kind": "Wall",
diff --git a/server/tests/serialization.rs b/server/tests/serialization.rs
index 804f9e42d..f1b508086 100644
--- a/server/tests/serialization.rs
+++ b/server/tests/serialization.rs
@@ -29,6 +29,7 @@ fn test_snapshot(tick: u64, entities: Vec<VisibleEntity>) -> ObserverSnapshot {
         sound_events: vec![],
         conversation_events: vec![],
         conversation_ended: vec![],
+        follow_state: None,
         rng_seed: None,
     }
 }
@@ -46,6 +47,7 @@ fn observer_snapshot_roundtrip() {
             visibility: VisibilitySector::Forward,
             relationship: RelationshipState::Unknown,
             observation: EntityVisibility::Visible,
+            tell_state: None,
         }],
     );
 
@@ -199,6 +201,7 @@ fn all_entity_kind_variants_roundtrip() {
             visibility: VisibilitySector::Forward,
             relationship: RelationshipState::Unknown,
             observation: EntityVisibility::Visible,
+            tell_state: None,
         };
         let snapshot = test_snapshot(0, vec![entity]);
         let bytes = rmp_serde::to_vec_named(&snapshot).expect("serialize");
@@ -235,6 +238,7 @@ fn snapshot_v2_fields_roundtrip() {
             visibility: VisibilitySector::Forward,
             relationship: RelationshipState::Unknown,
             observation: EntityVisibility::Visible,
+            tell_state: None,
         }],
         visible_tiles: vec![
             VisibleTile {
@@ -263,6 +267,7 @@ fn snapshot_v2_fields_roundtrip() {
         sound_events: vec![],
         conversation_events: vec![],
         conversation_ended: vec![],
+        follow_state: None,
         rng_seed: None,
     };
 
@@ -318,7 +323,7 @@ fn protocol_version_constant_matches_snapshot() {
     let snapshot = test_snapshot(0, vec![]);
     assert_eq!(snapshot.version, PROTOCOL_VERSION);
     assert_eq!(
-        PROTOCOL_VERSION, 12,
+        PROTOCOL_VERSION, 13,
         "bump this assertion when protocol version changes"
     );
 }
@@ -361,6 +366,7 @@ fn all_facing_direction_variants_roundtrip() {
             sound_events: vec![],
             conversation_events: vec![],
             conversation_ended: vec![],
+            follow_state: None,
             rng_seed: None,
         };
         let bytes = rmp_serde::to_vec_named(&snapshot).expect("serialize");
@@ -839,6 +845,7 @@ fn boundary_value_in_entity_id() {
                 visibility: VisibilitySector::Forward,
                 relationship: RelationshipState::Unknown,
                 observation: EntityVisibility::Visible,
+                tell_state: None,
             }],
         );
         let bytes = rmp_serde::to_vec_named(&snapshot)