diff --git a/src/simulator/crates/mc-turn/src/game_state.rs b/src/simulator/crates/mc-turn/src/game_state.rs
index c7c09695..f0ecf8fa 100644
--- a/src/simulator/crates/mc-turn/src/game_state.rs
+++ b/src/simulator/crates/mc-turn/src/game_state.rs
@@ -779,6 +779,16 @@ pub struct PlayerState {
     /// Empty = fall-through to default at dispatch time.
     #[serde(default)]
     pub controller_id: String,
+    /// p1-29h — cross-turn tactical memory: the army-level target-lock +
+    /// commitment-hysteresis channel that makes the AI's war decisive
+    /// (capture → press on → elimination) instead of indecisive (capture →
+    /// disperse → opponent refounds). Borrowed `&mut` by
+    /// `mc_player_api::dispatch::drive_ai_slot` and threaded into the tactical
+    /// movement layer. `#[serde(skip)]` — transient; re-acquired from scratch
+    /// (at most one no-lock turn) after a save/load rather than persisted into
+    /// the save format, keeping the `mc-save` contract unchanged.
+    #[serde(skip)]
+    pub tactical_memory: mc_ai::tactical::TacticalMemory,
     /// Accumulated expansion capacity (earned from the `expansion` axis).
     pub expansion_points: u32,
     /// Per-city list of constructed building IDs. Aligned with `cities`.