[App-server] Implement account/read endpoint (#6336)

This PR does two things:
1. add a new function in core that maps the core-internal plan type to
the external plan type;
2. implement account/read that get account status (v2 of
`getAuthStatus`).

codex-rs/app-server-protocol/src/protocol/common.rs

@@ -191,7 +191,7 @@ client_request_definitions! {
     #[serde(rename = "account/read")]
     #[ts(rename = "account/read")]
     GetAccount {
-        params: #[ts(type = "undefined")] #[serde(skip_serializing_if = "Option::is_none")] Option<()>,
+        params: v2::GetAccountParams,
         response: v2::GetAccountResponse,
     },
 
@@ -263,6 +263,7 @@ client_request_definitions! {
         params: #[ts(type = "undefined")] #[serde(skip_serializing_if = "Option::is_none")] Option<()>,
         response: v1::LogoutChatGptResponse,
     },
+    /// DEPRECATED in favor of GetAccount
     GetAuthStatus {
         params: v1::GetAuthStatusParams,
         response: v1::GetAuthStatusResponse,
@@ -758,12 +759,17 @@ mod tests {
     fn serialize_get_account() -> Result<()> {
         let request = ClientRequest::GetAccount {
             request_id: RequestId::Integer(5),
-            params: None,
+            params: v2::GetAccountParams {
+                refresh_token: false,
+            },
         };
         assert_eq!(
             json!({
                 "method": "account/read",
                 "id": 5,
+                "params": {
+                    "refreshToken": false
+                }
             }),
             serde_json::to_value(&request)?,
         );
@@ -772,19 +778,16 @@ mod tests {
 
     #[test]
     fn account_serializes_fields_in_camel_case() -> Result<()> {
-        let api_key = v2::Account::ApiKey {
-            api_key: "secret".to_string(),
-        };
+        let api_key = v2::Account::ApiKey {};
         assert_eq!(
             json!({
                 "type": "apiKey",
-                "apiKey": "secret",
             }),
             serde_json::to_value(&api_key)?,
         );
 
         let chatgpt = v2::Account::Chatgpt {
-            email: Some("user@example.com".to_string()),
+            email: "user@example.com".to_string(),
             plan_type: PlanType::Plus,
         };
         assert_eq!(

codex-rs/app-server-protocol/src/protocol/v2.rs

@@ -123,14 +123,11 @@ impl From<codex_protocol::protocol::SandboxPolicy> for SandboxPolicy {
 pub enum Account {
     #[serde(rename = "apiKey", rename_all = "camelCase")]
     #[ts(rename = "apiKey", rename_all = "camelCase")]
-    ApiKey { api_key: String },
+    ApiKey {},
 
     #[serde(rename = "chatgpt", rename_all = "camelCase")]
     #[ts(rename = "chatgpt", rename_all = "camelCase")]
-    Chatgpt {
-        email: Option<String>,
-        plan_type: PlanType,
-    },
+    Chatgpt { email: String, plan_type: PlanType },
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
@@ -193,11 +190,20 @@ pub struct GetAccountRateLimitsResponse {
     pub rate_limits: RateLimitSnapshot,
 }
 
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export_to = "v2/")]
+pub struct GetAccountParams {
+    #[serde(default)]
+    pub refresh_token: bool,
+}
+
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
 #[serde(rename_all = "camelCase")]
 #[ts(export_to = "v2/")]
 pub struct GetAccountResponse {
-    pub account: Account,
+    pub account: Option<Account>,
+    pub requires_openai_auth: bool,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Default, JsonSchema, TS)]