Show separate Codex usage pools

app/androidApp/src/main/kotlin/com/example/aiapp/Api.kt

@@ -891,6 +891,10 @@ data class UsageSnapshot(
     val setup: String,
     /** That machine's current label. */
     val setupName: String,
+    /** Provider-specific billing pool, such as Codex's regular or Luna Reserve pool. */
+    val limitId: String?,
+    /** Provider-specific human-facing pool name, when supplied. */
+    val limitName: String?,
     /**
      * What came back: "ok", "notLoggedIn", "unreachable" or "failed".
      *
@@ -912,6 +916,8 @@ fun fetchUsage(settings: ServerSettings): List<UsageSnapshot> =
                 provider = snapshot.getString("provider"),
                 setup = snapshot.optString("setup"),
                 setupName = snapshot.optString("setupName"),
+                limitId = snapshot.optString("limitId").ifEmpty { null },
+                limitName = snapshot.optString("limitName").ifEmpty { null },
                 // Unknown to an older backend, and unknown is not "fine": defaulting to "ok" would
                 // draw an empty card as a healthy one.
                 state = snapshot.optString("state").ifEmpty { "failed" },