feat(cli): add --simple-monster-death option to kill monsters at hp <= 0

src/pf1e_simulator/runner.py

@@ -169,6 +169,7 @@ def run_encounter(
     policy: Policy | None = None,
     spell_registry: dict[str, SpellSpec] | None = None,
     capture_first_transcript: bool = False,
+    monsters_die_at_zero: bool = False,
 ) -> EncounterReport:
     """Run `runs` battles (one SeededRng per run) and aggregate balance metrics.
 
@@ -177,6 +178,10 @@ def run_encounter(
 
     When ``capture_first_transcript`` is True, the turn-by-turn log of the
     first battle (``seed + 0``) is stored in ``report.transcript``.
+
+    ``monsters_die_at_zero`` enables the optional simple monster-death rule
+    (CLI ``--simple-monster-death``): monsters die at hp <= 0; PCs keep the
+    PF1e hp <= -CON rule. Default False keeps behavior bit-identical.
     """
     if runs <= 0:
         msg = "runs must be positive"
@@ -202,6 +207,7 @@ def run_encounter(
             round_cap=spec.round_cap,
             policy=policy,
             spell_registry=spell_registry,
+            monsters_die_at_zero=monsters_die_at_zero,
         ).run()
         if capture_first_transcript and index == 0:
             transcript = result.transcript