feat(admin+api): 列表页子路由重构、结算历史与充值截图清理

赛事/代理管理从表格展开改为子路由详情页；结算页增加预览弹窗与历史记录；媒体库支持截图存储统计与自动/手动清理；Player 端充值截图压缩为 WebP 300KB。

apps/admin/src/composables/agent-direct-players-context.ts

@@ -0,0 +1,24 @@
+import type { InjectionKey, Ref } from 'vue';
+import type { PlayerRow } from '../views/user-form';
+
+export type AgentPlayerActions = {
+  canCreatePlayer: boolean;
+  openCreatePlayer: (parentAgentUserId: string) => void;
+  openDetailPlayer: (id: string) => void;
+  openEditPlayer: (id: string) => void;
+  openTransfer: (type: 'deposit' | 'withdraw', row: { id: string; username?: string }) => void;
+  toggleFreezePlayer: (row: PlayerRow) => void | Promise<void>;
+  deletePlayer: (row: PlayerRow) => void | Promise<void>;
+  openPlayerWalletLedger: (playerId: string, playerUsername?: string | null) => void;
+  playerActionFlags: {
+    showEdit: boolean;
+    showDeposit: boolean;
+    showWithdraw: boolean;
+    showFreeze: boolean;
+    showDelete: boolean;
+  };
+};
+
+export const agentPlayerActionsKey: InjectionKey<AgentPlayerActions> = Symbol('agentPlayerActions');
+export const agentDirectPlayersReloadKey: InjectionKey<Ref<(() => void) | null>> =
+  Symbol('agentDirectPlayersReload');