refactor: 注册微信配置和代理充值模块到 Bootstrap 和 OpenAPI 文档生成器

- bootstrap/types.go: 新增 WechatConfigStore/WechatConfigService/WechatConfigHandler/AgentRechargeService/AgentRechargeHandler 字段
- bootstrap/stores.go: 初始化 WechatConfigStore
- bootstrap/services.go: 初始化 WechatConfigService（注入 AuditService）和 AgentRechargeService
- bootstrap/handlers.go: 初始化 WechatConfigHandler 和 AgentRechargeHandler；PaymentHandler 新增 agentRechargeService 参数
- bootstrap/worker_services.go: 补充 WechatConfigService 注入
- routes/admin.go: 注册 WechatConfig 和 AgentRecharge 路由组
- openapi/handlers.go: 注册 WechatConfigHandler 和 AgentRechargeHandler 到文档生成器

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

internal/routes/admin.go

@@ -110,4 +110,10 @@ func RegisterAdminRoutes(router fiber.Router, handlers *bootstrap.Handlers, midd
 	if handlers.Asset != nil {
 		registerAssetRoutes(authGroup, handlers.Asset, handlers.AssetWallet, doc, basePath)
 	}
+	if handlers.WechatConfig != nil {
+		registerWechatConfigRoutes(authGroup, handlers.WechatConfig, doc, basePath)
+	}
+	if handlers.AgentRecharge != nil {
+		registerAgentRechargeRoutes(authGroup, handlers.AgentRecharge, doc, basePath)
+	}
 }