feat: auto-fetch codex login otp from mailbox

src/codex_oauth_http_flow.py

@@ -198,12 +198,14 @@ class CodexOAuthHTTPFlow:
         otp: str = "",
         workspace_id: str = "",
         use_browser: bool = False,
+        mailbox: dict | None = None,
     ) -> None:
         self.authorize_url = authorize_url
         self.email = email
         self.password = password
         self.otp = otp
         self.workspace_id = workspace_id
+        self.mailbox = mailbox
         self.auth_base = "https://auth.openai.com"
         self.proxy = load_proxy()
         self.http = HTTPClient(self.proxy)
@@ -304,13 +306,36 @@ class CodexOAuthHTTPFlow:
         print(f"[otp] sending email code via {send_url}")
         return self._api_json("GET", send_url, referer=referer)
 
+    def _fetch_otp_from_mailbox(self) -> str:
+        """Try to fetch OTP from mailbox automatically."""
+        if not self.mailbox:
+            return ""
+        from vmail_client import MailClient
+        mail = MailClient()
+        print("[otp] auto-fetching OTP from mailbox...")
+        try:
+            code = mail.wait_for_otp(self.mailbox, timeout=120, poll=3.0)
+            print(f"  OTP: {code}")
+            return code
+        except Exception as e:
+            print(f"[otp] auto-fetch failed: {e}")
+            return ""
+
     def _validate_email_otp(self, referer: str) -> dict[str, Any]:
         validate_url = f"{self.auth_base}/api/accounts/email-otp/validate"
         resend_url = f"{self.auth_base}/api/accounts/email-otp/resend"
 
         while True:
-            code = (self.otp or input("Email OTP (or type 'resend'): ").strip()).strip()
-            self.otp = ""
+            if self.otp:
+                code = self.otp.strip()
+                self.otp = ""
+            elif self.mailbox:
+                code = self._fetch_otp_from_mailbox()
+                if not code:
+                    raise FlowError("Failed to auto-fetch OTP from mailbox")
+            else:
+                code = input("Email OTP (or type 'resend'): ").strip()
+
             if not code:
                 continue