fix(rules): a blinded creature cannot charge, run, or withdraw (SRD charge.md: 'If you don't have line of sight to the opponent at the start of your turn, you can't charge that opponent'; full-round-actions.md: 'You can't run ... if you can't see where you're going' and 'you can't withdraw from combat if you're blinded') - can_charge gates blinded with no_line_of_effect, _execute_run joins the cant_charge no-op, _withdraw rejects blinded

src/pf1e_simulator/combat.py

@@ -3904,6 +3904,11 @@ class CombatEngine:
         straight-line distance in feet to the chosen anchor on success, 0 on
         failure. Never mutates state nor consumes RNG.
         """
+        if self._has_condition_named(state, "blinded"):
+            # SRD "Charge" (charge.md): "If you don't have line of sight to
+            # the opponent at the start of your turn, you can't charge that
+            # opponent." A blinded creature has line of sight to nothing.
+            return ChargeResult(weapon=None, distance_ft=0, reason="no_line_of_effect")
         if not has_line_of_effect_cells(
             self._grid, state.occupied_cells(), target.occupied_cells()
         ):
@@ -4444,8 +4449,13 @@ class CombatEngine:
             self._log(f"round {self._current_round} {state.combatant.id}: wait (cannot move)")
             return ActionResult(kind=kind, ok=True, reason=_REASON_OK)
         # SRD "Conditions — Fatigued": "A fatigued character can neither run
-        # nor charge" (same for exhausted/entangled via cant_charge).
-        if self.has_condition_flag(state, "cant_charge"):
+        # nor charge" (same for exhausted/entangled via cant_charge). SRD
+        # "Full-Round Actions — Run" (full-round-actions.md): "You can't run
+        # across difficult terrain or if you can't see where you're going" —
+        # a blinded creature sees nowhere.
+        if self.has_condition_flag(state, "cant_charge") or self._has_condition_named(
+            state, "blinded"
+        ):
             self._log(f"round {self._current_round} {state.combatant.id}: wait (cannot run)")
             return ActionResult(kind=kind, ok=True, reason=_REASON_OK)
         if action.destination is not None:
@@ -8146,11 +8156,21 @@ class CombatEngine:
         Subsequent squares provoke AoOs normally (step-by-step, as for move).
         Like every other movement it is mutually exclusive with movement
         already spent this turn (``moved_this_turn``).
+
+        SRD "Full-Round Actions — Withdraw" (full-round-actions.md): "you
+        can't withdraw from combat if you're blinded" — a blinded creature
+        cannot even take the restricted (standard-action) withdraw.
         """
         if state.moved_this_turn:
             return
         if threat is None:
             return
+        if self._has_condition_named(state, "blinded"):
+            self._log(
+                f"round {self._current_round} {state.combatant.id}: "
+                f"withdraw rejected (blinded)"
+            )
+            return
         path = self._flee_path(state, threat)
         if not path:
             return