fix(dice): parse_dice validates sides >= _MIN_SIDES so d1/1d1 raise DiceParseError instead of leaking the model validator's pydantic ValidationError; drop the dead not-sides_str guard (regex \\d+ already guarantees non-empty) + 3 rejected-notation cases (d1, 1d1, 2D6)

src/pf1e_simulator/dice.py

@@ -103,15 +103,13 @@ def parse_dice(text: str) -> DiceExpr:
     m = _DICE_RE.match(stripped)
     if m:
         count_str, sides_str, bonus_str = m.groups()
-        if not sides_str:
-            raise DiceParseError(text)
         count = int(count_str) if count_str else 1
         sides = int(sides_str)
         bonus = int(bonus_str) if bonus_str else 0
 
         if count == 0:
             raise DiceParseError(text)
-        if sides < 1:
+        if sides < _MIN_SIDES:
             raise DiceParseError(text)
 
         return DiceExpr(count=count, sides=sides, bonus=bonus)

tests/test_dice.py

@@ -88,6 +88,9 @@ class TestParseDiceRejected:
             "d",
             "2d0",
             "0d6",
+            "d1",
+            "1d1",
+            "2D6",
             "2d 6",
             "abc",
             "d6+",