Refuse creation stats below 1 or above the racial maximum

Follows CharCreate_AdjustAttribute (0xBAC140): a stat must stay at 1 or
more and can't be raised past the racial maximum. Checked after the rune
bonuses and max adjustments but before the rune penalties, since Giant's
Blood lowers the INT/DEX max by 10 but the stat by only 5.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/engine/objects/PlayerCharacter.java

@@ -1091,6 +1091,17 @@ public class PlayerCharacter extends AbstractCharacter {
                 }
         }
 
+        // Checked before the penalties, as the client's +/- does (0xBAC140): Giant's Blood cuts a max below its stat
+        if (strCur < 1 || dexCur < 1 || conCur < 1 || intCur < 1 || spiCur < 1) {
+            Logger.info("Attribute below 1");
+            return null;
+        }
+
+        if (strCur > strMax || dexCur > dexMax || conCur > conMax || intCur > intMax || spiCur > spiMax) {
+            Logger.info("Attribute above racial maximum");
+            return null;
+        }
+
         // Add in all of the penalties.
         strCur += penalties.get("StrCur");
         strMax += penalties.get("StrMax");