refactor: tidy directive parsing + queue status

docs/tools/slash-commands.md

@@ -43,7 +43,7 @@ Text + native (when enabled):
 - `/reasoning on|off|stream` (alias: `/reason`; `stream` = Telegram draft only)
 - `/elevated on|off` (alias: `/elev`)
 - `/model <name>` (or `/<alias>` from `agent.models.*.alias`)
-- `/queue <mode>` (plus options like `debounce:2s cap:25 drop:summarize`)
+- `/queue <mode>` (plus options like `debounce:2s cap:25 drop:summarize`; send `/queue` to see current settings)
 
 Text-only:
 - `/compact [instructions]` (see [/concepts/compaction](/concepts/compaction))