feat(admin,api,player): 代理层级管理、额度上下分与玩家钱包详情

新增代理管理器与二级代理体系，完善信用额度/上下分上下文与冻结策略；代理端玩家与子代理管理增强；玩家端新增钱包详情页与交易筛选优化。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/integration.spec.ts

@@ -63,6 +63,16 @@ describe('Agent Credit Rules', () => {
     const canDeposit = agentId === playerParentId;
     expect(canDeposit).toBe(false);
   });
+
+  it('A008: admin deposit cannot exceed parent agent available credit', () => {
+    const creditLimit = 5000;
+    const usedCredit = 4800;
+    const depositAmount = 300;
+    const available = creditLimit - usedCredit;
+    expect(depositAmount).toBeGreaterThan(available);
+    const allowed = depositAmount <= available;
+    expect(allowed).toBe(false);
+  });
 });
 
 describe('Bet Validation Rules (B001-B010)', () => {