feat(combat): expose combat stats in observation snapshot

src/pf1e_simulator/combat.py

@@ -596,6 +596,23 @@ class CombatEngine:
             "grappled_with": state.grappled_with,
             "moved_this_turn": state.moved_this_turn,
             "power_attack": state.power_attack,
+            "name": state.combatant.name,
+            "level": state.combatant.level,
+            "size": state.combatant.size,
+            "speed_land_ft": state.combatant.speed_land_ft,
+            "speed_fly_ft": state.combatant.speed_fly_ft,
+            "ac": {
+                "total": state.combatant.ac.total,
+                "touch": state.combatant.ac.touch,
+                "flat_footed": state.combatant.ac.flat_footed,
+            },
+            "saves": {
+                "fort": state.combatant.saves.fort,
+                "ref": state.combatant.saves.ref,
+                "will": state.combatant.saves.will,
+            },
+            "cmb": self._maneuver_cmb(state),
+            "cmd": self._maneuver_cmd(state),
         }
 
     def _pair_snapshot(