feat: Allow sync with remote plugin status. (#14176)

Add forceRemoteSync to plugin/list.
When it is set to True, we will sync the local plugin status with the
remote one (backend-api/plugins/list).

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

@@ -2820,6 +2820,10 @@ pub struct PluginListParams {
     /// only home-scoped marketplaces and the official curated marketplace are considered.
     #[ts(optional = nullable)]
     pub cwds: Option<Vec<AbsolutePathBuf>>,
+    /// When true, reconcile the official curated marketplace against the remote plugin state
+    /// before listing marketplaces.
+    #[serde(default, skip_serializing_if = "std::ops::Not::not")]
+    pub force_remote_sync: bool,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
@@ -2827,6 +2831,7 @@ pub struct PluginListParams {
 #[ts(export_to = "v2/")]
 pub struct PluginListResponse {
     pub marketplaces: Vec<PluginMarketplaceEntry>,
+    pub remote_sync_error: Option<String>,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
@@ -6511,6 +6516,32 @@ mod tests {
         );
     }
 
+    #[test]
+    fn plugin_list_params_serialization_uses_force_remote_sync() {
+        assert_eq!(
+            serde_json::to_value(PluginListParams {
+                cwds: None,
+                force_remote_sync: false,
+            })
+            .unwrap(),
+            json!({
+                "cwds": null,
+            }),
+        );
+
+        assert_eq!(
+            serde_json::to_value(PluginListParams {
+                cwds: None,
+                force_remote_sync: true,
+            })
+            .unwrap(),
+            json!({
+                "cwds": null,
+                "forceRemoteSync": true,
+            }),
+        );
+    }
+
     #[test]
     fn codex_error_info_serializes_http_status_code_in_camel_case() {
         let value = CodexErrorInfo::ResponseTooManyFailedAttempts {