Add Wu counterstroke scenario

README.md

@@ -4,7 +4,7 @@ Godot 4 tactical RPG prototype inspired by classic turn-based Romance of the Thr
 
 ## Current Slice
 
-- Fifty-three campaign scenarios.
+- Fifty-four campaign scenarios.
 - Grid movement.
 - Unit selection.
 - Move, attack, wait, end turn.
@@ -74,6 +74,7 @@ Godot 4 tactical RPG prototype inspired by classic turn-based Romance of the Thr
 - Eastern Front Alarm consumes the Wei Succession branch flags and returns the campaign to the Ruxu river front as Wu tests the transition.
 - Wu River Line consumes the Eastern Front Alarm branch flags and breaks open the Ruxu river line for an anchored fleet or Jianye pressure.
 - Jianye Approach consumes the Wu River Line branch flags and presses the lower Yangtze approach toward a secured route or forced Wu counterstroke.
+- Wu Counterstroke consumes the Jianye Approach branch flags and breaks Wu's forward answer into a held lower Yangtze route or Jianye gate pressure.
 - Post-battle choices can save campaign flags that branch later briefing text, shop stock, and scenario events.
 - Scenario post-battle dialogue can play before the victory result panel.
 - Basic battle EXP, level-ups, and core first-tier class promotion routes.