fix(rules): correct P1 PF1e conformance bugs (area saves, concentration, prone, slots, helpless, nauseated)

tests/test_spells.py

@@ -73,6 +73,9 @@ def _make_caster(cid: str = "caster", *, level: int = 5) -> Combatant:
         saves=Saves(fort=3, ref=4, will=4),
         attacks=[attack],
         casting_ability="int",
+        # B4 conformance: _cast_spell now refuses without a slot; test
+        # casters carry a generous pool so fixtures stay about spells.
+        spell_slots={0: 99, 1: 99, 2: 99, 3: 99, 4: 99, 5: 99, 6: 99},
     )
 
 
@@ -260,6 +263,64 @@ class TestFireballSave:
         assert any("SAVED" in line for line in engine._transcript)
 
 
+class TestAreaSavesPerSpellSaveType:
+    """B1 (PF1e conformance): every creature in an area rolls the save the
+    SPELL lists (Will/Fort/Ref) — "save negates" areas are no longer
+    save-free, and secondary creatures do not always roll Reflex."""
+
+    def test_sleep_secondary_creature_rolls_will_and_negates(self) -> None:
+        # Sleep (Will negates, save_for_half=False): primary target saves on
+        # natural 20 (first roll), the caster — second creature in the area —
+        # rolls its own Will and fails on natural 1 (second roll).
+        caster = _make_caster()
+        target = _make_target(hp_max=100)
+        engine, c, t = _make_engine(
+            caster, target, [20, 1], target_pos=(2, 0)
+        )
+        engine._cast_spell(c, t, "Sleep")
+        assert not any(ac.condition.name == "asleep" for ac in t.active_conditions)
+        assert any(ac.condition.name == "asleep" for ac in c.active_conditions)
+
+    def test_color_spray_primary_save_is_not_discarded(self) -> None:
+        # Color Spray (Will negates): the primary's pre-rolled save decides —
+        # natural 1 fails (stunned), the caster's own natural 20 succeeds.
+        caster = _make_caster()
+        target = _make_target(hp_max=100)
+        engine, c, t = _make_engine(
+            caster, target, [1, 20], target_pos=(2, 0)
+        )
+        engine._cast_spell(c, t, "Color Spray")
+        assert any(ac.condition.name == "stunned" for ac in t.active_conditions)
+        assert not any(ac.condition.name == "stunned" for ac in c.active_conditions)
+
+    def test_web_secondary_creature_rolls_reflex(self) -> None:
+        # Web (Reflex negates): secondary creature rolls its own Reflex.
+        caster = _make_caster()
+        target = _make_target(hp_max=100)
+        engine, c, t = _make_engine(
+            caster, target, [20, 1], target_pos=(2, 0)
+        )
+        engine._cast_spell(c, t, "Web")
+        assert not any(ac.condition.name == "grappled" for ac in t.active_conditions)
+        assert any(ac.condition.name == "grappled" for ac in c.active_conditions)
+
+    def test_sound_burst_secondary_rolls_fortitude_not_reflex(self) -> None:
+        # Sound Burst (Fortitude partial): caster has ref +4, fort +3 and the
+        # DC is 16 — d20 12 passes Reflex but fails Fortitude. The caster
+        # being stunned proves the FORT save was rolled (B1's hardcoded ref
+        # would have "saved" and left the caster unstunned).
+        caster = _make_caster()
+        target = _make_target(hp_max=200)
+        # rolls: primary (target) fort 20 = save; caster fort 12 = fail;
+        # then the 1d8 damage dice for each creature in state order.
+        engine, c, t = _make_engine(
+            caster, target, [20, 12, 3, 3], target_pos=(2, 0)
+        )
+        engine._cast_spell(c, t, "Sound Burst")
+        assert any(ac.condition.name == "stunned" for ac in c.active_conditions)
+        assert t.hp == 200 - 1  # saved: 3 // 2
+
+
 class TestTargetedSpellSaveNegates:
     """Given: a targeted spell with a save (half_on_save=False)
     When: the target succeeds / fails its save