WeaponData.RatedRange is not a MessagePack member

The previous commit's public RatedRange property had no Key, so MessagePack refused to build the formatter for every weapon design and the catalog failed to load (869 tests red). Marked [IgnoreMember]. The previous commit (76aeeabf) compiles but does not run.

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

Assets/Scripts/ServerShared/Behaviors/Weapon.cs

@@ -76,6 +76,7 @@ public abstract class WeaponData : BehaviorData
     // design's rated figures, each stat's Max (what a stat with no terms resolves to), through the same formula the
     // live weapon's RangeDamagePerSecond runs over its evaluated stats. Never the carrier's quality, heat, wear or power.
     public abstract float RatedRangeDamagePerSecond(float range);
+    [IgnoreMember]
     public float RatedRange => Range.Max;
 }