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/stores/player-session-store.ts

@@ -58,8 +58,15 @@ function initialSteps(): PlayerEntryStep[] {
   ];
 }
 
+function readInitialBearerToken(): string | null {
+  if (typeof window === "undefined") {
+    return null;
+  }
+  return readPersistedPlayerBearerToken()?.trim() || null;
+}
+
 export const usePlayerSessionStore = create<PlayerSessionState>((set, get) => ({
-  bearerToken: null,
+  bearerToken: readInitialBearerToken(),
   profile: null,
   currencies: [],
   selectedCurrency: null,