feat(panel): implement email otp and passkey login interface

panel/src/i18n/resources/en-US/auth.json

@@ -1,12 +1,28 @@
 {
   "login_title": "Sign in to Felis",
   "login_subtitle": "Operator console",
-  "username": "Username",
+  "username": "Username or Email",
   "password": "Password",
   "sign_in": "Sign in",
   "signing_in": "Signing in…",
   "tab_password": "Password",
   "tab_bind": "Bind Code",
+  "tab_email": "Email OTP",
+  "other_login_methods": "Other sign-in options",
+  "or_divider": "or",
+  "tab_email_btn": "Sign in with Email OTP",
+  "tab_bind_btn": "Sign in with Bind Code",
+  "back_to_password": "Back to password login",
+  "email_address": "Email Address",
+  "email_placeholder": "Enter your registered email",
+  "otp_code": "Verification Code",
+  "otp_placeholder": "Enter 6-digit code",
+  "send_otp": "Send Code",
+  "sending_otp": "Sending…",
+  "otp_sent": "Verification code sent to your email.",
+  "otp_btn": "Verify & Sign In",
+  "resend_in": "s",
+  "passkey_btn": "Sign in with Passkey",
   "bind_code": "Bind Code",
   "bind_code_placeholder": "e.g., ABCD2345",
   "bind_hint": "Type /login in-game to generate a one-time bind code.",

panel/src/i18n/resources/en-US/errors.json

@@ -25,5 +25,7 @@
   "passkey_challenge_invalid": "Passkey challenge is invalid or expired, please try again.",
   "invalid_attestation": "Could not verify this Passkey, please try again.",
   "passkey_already_bound": "This Passkey is already bound to another account.",
-  "passkey_unavailable": "Passkey subsystem is not available right now."
+  "passkey_unavailable": "Passkey subsystem is not available right now.",
+  "passkey_not_allowed": "The operation was cancelled by the user or browser.",
+  "passkey_aborted": "Passkey registration was aborted."
 }

panel/src/i18n/resources/zh-CN/auth.json

@@ -1,12 +1,28 @@
 {
   "login_title": "登录 Felis",
   "login_subtitle": "运维控制台",
-  "username": "用户名",
+  "username": "用户名或邮箱",
   "password": "密码",
   "sign_in": "登录",
   "signing_in": "登录中…",
   "tab_password": "账号密码",
   "tab_bind": "游戏绑定码",
+  "tab_email": "邮箱验证码",
+  "other_login_methods": "其他登录方式",
+  "or_divider": "或",
+  "tab_email_btn": "使用邮箱验证码登录",
+  "tab_bind_btn": "使用游戏绑定码登录",
+  "back_to_password": "返回密码登录",
+  "email_address": "邮箱地址",
+  "email_placeholder": "请输入绑定的邮箱",
+  "otp_code": "验证码",
+  "otp_placeholder": "请输入 6 位验证码",
+  "send_otp": "发送验证码",
+  "sending_otp": "发送中…",
+  "otp_sent": "验证码已发送至您的邮箱，请查收",
+  "otp_btn": "验证并登录",
+  "resend_in": "秒后重试",
+  "passkey_btn": "使用 Passkey 登录",
   "bind_code": "绑定码",
   "bind_code_placeholder": "例如：ABCD2345",
   "bind_hint": "在游戏内输入 /login 即可获取一次性绑定码",

panel/src/i18n/resources/zh-CN/errors.json

@@ -25,5 +25,7 @@
   "passkey_challenge_invalid": "验证挑战无效或已过期，请重试。",
   "invalid_attestation": "无法验证此 Passkey，请重试。",
   "passkey_already_bound": "此 Passkey 已被其他账户绑定。",
-  "passkey_unavailable": "Passkey 功能当前不可用。"
+  "passkey_unavailable": "Passkey 功能当前不可用。",
+  "passkey_not_allowed": "操作已被用户或浏览器取消。",
+  "passkey_aborted": "Passkey 注册已被取消。"
 }