Add Codex JSON sessions and usage limits

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

@@ -150,7 +150,7 @@ data class SessionSummary(
      */
     val effort: String?,
     /**
-     * Whether a thinking level does anything here -- a Claude CLI session, not a llama or echo one.
+     * Whether a thinking level does anything here -- a coding CLI session, not llama or echo.
      *
      * Asked of the server rather than worked out from the provider's name, because this is a
      * property of the driver's *kind* and the phone only has the name.
@@ -1084,9 +1084,9 @@ fun setSessionModel(settings: ServerSettings, sessionId: String, model: String)
 }
 
 /**
- * The permission modes the Claude CLI accepts, in the order they give up asking. "manual" asks for
- * everything (each ask arrives on the phone as a question card); the others are the CLI's own
- * escalating levels of autonomy.
+ * Common permission intents, in the order they give up asking. Each coding CLI maps these onto its
+ * own flags: "manual" asks, "acceptEdits" and "auto" allow ordinary work, "bypassPermissions"
+ * accepts everything, and "plan" makes no changes.
  *
  * One list for every screen that offers them -- spawn, import, and the session's own picker --
  * because three copies had already drifted: the import screen was missing "plan".
@@ -1115,7 +1115,7 @@ fun setDefaultEffort(settings: ServerSettings, level: String?) {
 }
 
 /**
- * How hard the model thinks, as `claude --effort` takes them, cheapest first.
+ * How hard a coding model thinks, cheapest first.
  *
  * Not offered alongside the model and the permission mode on the session's own bar, because it does
  * not behave like them: the CLI has a control request for those two and none for this (checked