fix(combat): separate standard attack (single swing) from full attack (iteratives)

README.md

@@ -368,7 +368,7 @@ appliquées dans la résolution) :
 La gate de validation complète (tests + lint + types) :
 
 ```bash
-uv run pytest -q          # 215 tests
+uv run pytest -q          # 216 tests
 uv run ruff check src tests
 uv run basedpyright src   # mode strict
 ```

src/pf1e_simulator/combat.py

@@ -183,11 +183,12 @@ class Action:
     """What a policy wants a combatant to do this turn.
 
     Kinds map to PF1e action types: ``attack`` is a standard action
-    (single attack), ``move`` is a move action, ``full_attack`` is a full-round
-    action (BAB iteratives), ``charge`` is a special full-round action
-    (2x speed, straight line, +2 attack, -2 AC), ``swift`` and ``free`` are
-    minor actions, ``immediate`` is an off-turn reaction (deferred). ``wait``
-    is a no-op. The engine executes a policy-returned sequence per turn.
+    (single attack, highest BAB only — no iteratives), ``move`` is a move
+    action, ``full_attack`` is a full-round action (BAB iteratives), ``charge``
+    is a special full-round action (2x speed, straight line, +2 attack, -2
+    AC), ``swift`` and ``free`` are minor actions, ``immediate`` is an
+    off-turn reaction (deferred). ``wait`` is a no-op. The engine executes a
+    policy-returned sequence per turn.
     """
 
     kind: Literal[
@@ -625,7 +626,9 @@ class CombatEngine:
         weapon = self.weapon_for(state, target)
         if weapon is None:
             return
-        if kind == "full_attack":
+        if kind == "attack":
+            self._single_attack(state, target, weapon)
+        elif kind == "full_attack":
             self._full_attack(state, target, weapon)
         else:
             self._attack(state, target, weapon)
@@ -698,6 +701,15 @@ class CombatEngine:
             if self._resolve_swing(attacker, target, weapon, label=label):
                 return
 
+    def _single_attack(
+        self, attacker: CombatantState, target: CombatantState, weapon: AttackSpec
+    ) -> None:
+        if not attacker.active:
+            return
+        if self._check_provoked_aoo(attacker, weapon):
+            return
+        self._resolve_swing(attacker, target, weapon, label=weapon.name)
+
     def _full_attack(
         self, attacker: CombatantState, target: CombatantState, weapon: AttackSpec
     ) -> None:
@@ -870,12 +882,12 @@ Policy = Callable[[CombatEngine, CombatantState], tuple[Action, ...]]
 
 
 def default_policy(engine: CombatEngine, state: CombatantState) -> tuple[Action, ...]:
-    """Full-attack the nearest enemy in range; charge if reachable; otherwise approach.
+    """Standard-attack the nearest enemy in range; charge if reachable; otherwise approach.
 
     Decision order:
-    1. Full-attack if a weapon is usable against the nearest enemy this turn.
+    1. Full-attack if a weapon is usable against the nearest enemy this turn (no move needed).
     2. Charge if a straight-line charge path exists (2x speed, +2 attack, -2 AC).
-    3. Move toward the target then full-attack (standard + move economy).
+    3. Move toward the target then single attack (standard + move economy).
     4. Wait if nothing is possible.
     """
     target = engine.nearest_enemy(state)
@@ -888,5 +900,5 @@ def default_policy(engine: CombatEngine, state: CombatantState) -> tuple[Action,
         return (Action(kind="charge", target_id=target.combatant.id),)
     return (
         Action(kind="move", target_id=target.combatant.id),
-        Action(kind="full_attack", target_id=target.combatant.id),
+        Action(kind="attack", target_id=target.combatant.id),
     )

tests/test_combat.py

@@ -1202,3 +1202,37 @@ def test_withdraw_provokes_after_first_square() -> None:
         "round 1 foe2: wait",
         "battle over: draw after 1 rounds",
     )
+
+
+# --------------------------------------------------------------------------- #
+# Standard attack (single swing, no iteratives — PF1e standard action)        #
+# --------------------------------------------------------------------------- #
+
+
+def _move_then_attack(
+    engine: CombatEngine, state: CombatantState
+) -> tuple[Action, ...]:
+    return (
+        Action(kind="move", target_id="orc"),
+        Action(kind="attack", target_id="orc"),
+    )
+
+
+def test_move_attack_single_swing() -> None:
+    """move+attack gives ONE attack at highest BAB; move+full_attack gives iteratives."""
+    gob = make_combatant("gob", hp=20, ac=15, attack_bonus=6, speed=30, initiative_mod=10)
+    orc = make_combatant("orc", hp=20, ac=15, attack_bonus=1, speed=0)
+    states = [make_state(gob, "players", (0, 0)), make_state(orc, "monsters", (3, 0))]
+    engine = CombatEngine(
+        ScriptedRng([20, 1, 10, 15, 3]),
+        make_grid(), states, round_cap=1, policy=_move_then_attack,
+    )
+    result = engine.run()
+    assert result.transcript == (
+        "initiative: gob d20=20+10=30",
+        "initiative: orc d20=1+0=1",
+        "round 1 gob: move (0,0)->(1,0)->(2,0)",
+        "round 1 gob: short sword vs orc d20=10+6=16 AC 15 -> HIT 15 damage (20->5)",
+        "round 1 orc: short sword vs orc d20=3+1=4 AC 15 -> MISS",
+        "battle over: draw after 1 rounds",
+    )