feat: show owner info in admin pages

- Add Owner column to AdminRuns.tsx and AdminGenlockes.tsx
- Add owner filter dropdown to both admin pages
- Add owner field to GenlockeListItem schema (resolved from first leg's run)
- Update frontend types for GenlockeListItem

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/types/game.ts

@@ -320,6 +320,11 @@ export interface GenlockeStats {
   totalLegs: number
 }
 
+export interface GenlockeOwner {
+  id: string
+  displayName: string | null
+}
+
 export interface GenlockeListItem {
   id: number
   name: string
@@ -328,6 +333,7 @@ export interface GenlockeListItem {
   totalLegs: number
   completedLegs: number
   currentLegOrder: number | null
+  owner: GenlockeOwner | null
 }
 
 export interface RetiredPokemon {