codex: omit available environment status (#29249)

codex-rs/core/src/context/world_state/environment.rs

@@ -237,10 +237,8 @@ impl ContextualUserFragment for RenderedEnvironments {
                         rendered.push_str("    <environment id=\"");
                         push_xml_escaped_text(&mut rendered, id);
                         rendered.push('"');
-                        if let Some(status) = environment.status {
-                            rendered.push_str(" status=\"");
-                            rendered.push_str(status.as_str());
-                            rendered.push('"');
+                        if matches!(environment.status, Some(EnvironmentStatus::Starting)) {
+                            rendered.push_str(" status=\"starting\"");
                         }
                         rendered.push_str(">\n");
                         push_environment_values(&mut rendered, environment, "      ");
@@ -329,15 +327,6 @@ enum EnvironmentStatus {
     Available,
 }
 
-impl EnvironmentStatus {
-    fn as_str(self) -> &'static str {
-        match self {
-            Self::Starting => "starting",
-            Self::Available => "available",
-        }
-    }
-}
-
 fn is_legacy_single(environments: &BTreeMap<String, EnvironmentState>) -> bool {
     environments.len() == 1
         && matches!(

codex-rs/core/src/context/world_state/environment_render_tests.rs

@@ -330,11 +330,11 @@ fn serialize_environment_context_with_multiple_selected_environments() {
     let expected = format!(
         r#"<environment_context>
   <environments>
-    <environment id="local" status="available">
+    <environment id="local">
       <cwd>{}</cwd>
       <shell>bash</shell>
     </environment>
-    <environment id="remote" status="available">
+    <environment id="remote">
       <cwd>{}</cwd>
       <shell>bash</shell>
     </environment>
@@ -371,11 +371,11 @@ fn serialize_environment_context_prefers_environment_shell_when_present() {
     let expected = format!(
         r#"<environment_context>
   <environments>
-    <environment id="local" status="available">
+    <environment id="local">
       <cwd>{}</cwd>
       <shell>powershell</shell>
     </environment>
-    <environment id="remote" status="available">
+    <environment id="remote">
       <cwd>{}</cwd>
       <shell>cmd</shell>
     </environment>

codex-rs/core/src/context/world_state/environment_tests.rs

@@ -40,11 +40,11 @@ fn renders_full_environment_state() -> Result<()> {
         vec![user_message(
             r#"<environment_context>
   <environments>
-    <environment id="devbox" status="available">
+    <environment id="devbox">
       <cwd>/workspace</cwd>
       <shell>bash</shell>
     </environment>
-    <environment id="laptop" status="available">
+    <environment id="laptop">
       <cwd>/repo</cwd>
       <shell>zsh</shell>
     </environment>
@@ -96,7 +96,7 @@ fn renders_only_changed_environments() -> Result<()> {
         vec![user_message(
             r#"<environment_context>
   <environments>
-    <environment id="laptop" status="available">
+    <environment id="laptop">
       <cwd>/new-repo</cwd>
       <shell>zsh</shell>
     </environment>