message: optionally chain artifact power bonus more aggressively
diff: @@ -324,7 +324,9 @@ export function buildStores(
  s,
  defs,
  characterProgress,
  - profileInfo.profileProgression?.data?.seasonalArtifact.powerBonusProgression.progressionHash
  + // optional chaining here accounts for a edge-case possible, but type-unadvertised,
  + // missing artifact power bonus. please keep this here.
  + profileInfo.profileProgression?.data?.seasonalArtifact?.powerBonusProgression?.progressionHash
  );
  }
  