feat(codex): support agent identity accounts

crates/aether-provider/pool/src/providers/codex.rs

@@ -92,7 +92,22 @@ fn build_codex_wham_headers(
         .map(str::trim)
         .filter(|value| !value.is_empty());
 
-    if let Some(authorization) = auth_config_authorization {
+    let is_agent_identity = auth_config
+        .and_then(Value::as_object)
+        .and_then(|object| {
+            object
+                .get("auth_mode")
+                .or_else(|| object.get("authMode"))
+                .and_then(Value::as_str)
+        })
+        .is_some_and(|value| value.trim().eq_ignore_ascii_case("agentIdentity"));
+
+    if is_agent_identity {
+        let Some((name, value)) = resolved_oauth_auth else {
+            return Err("缺少 Agent Identity 认证信息，请先注册任务".to_string());
+        };
+        headers.insert(name.to_ascii_lowercase(), value);
+    } else if let Some(authorization) = auth_config_authorization {
         headers.insert("authorization".to_string(), authorization.to_string());
     } else if let Some((name, value)) = resolved_oauth_auth {
         headers.insert(name.to_ascii_lowercase(), value);