feat: enhance player login process with captcha validation and improve wallet display logic

- Added captcha validation to the player login screen, requiring users to input a captcha code for authentication.
- Implemented a new API call to fetch captcha images, improving security during login.
- Updated wallet display logic to ensure accurate representation of available and total balances based on player funding modes.
- Enhanced documentation in AGENTS.md to clarify changes in credit flow and login requirements.

src/api/player-auth.ts

@@ -1,9 +1,16 @@
 import { lotteryRequest } from "@/lib/lottery-http";
 
+export type PlayerAuthCaptchaResponse = {
+  captcha_key: string;
+  image_base64: string;
+};
+
 export type PlayerAuthLoginPayload = {
   site_code?: string;
   username: string;
   password: string;
+  captcha_key: string;
+  captcha_code: string;
 };
 
 export type PlayerAuthLoginData = {
@@ -20,6 +27,11 @@ export type PlayerAuthLoginData = {
   };
 };
 
+/** `GET /api/v1/player/auth/captcha`（公开） */
+export function getPlayerAuthCaptcha(): Promise<PlayerAuthCaptchaResponse> {
+  return lotteryRequest.get<PlayerAuthCaptchaResponse>(`/player/auth/captcha`);
+}
+
 /** `POST /api/v1/player/auth/login`（公开） */
 export function postPlayerAuthLogin(body: PlayerAuthLoginPayload): Promise<PlayerAuthLoginData> {
   return lotteryRequest.post<PlayerAuthLoginData>(`/player/auth/login`, body);