fix(clients): flatten scoped remote output

- Render explicit --remote clients results with profile-only labels.

- Suppress remote host group headers for scoped client queries.

- Keep global and mixed client listings grouped by host.

- Update client and CLI tests for scoped remote rendering.

- Bump browser-cli and extension versions to 0.16.5.

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "real-browser-cli"
-version = "0.16.4"
+version = "0.16.5"
 description = "Control your real running browser from the terminal or Python SDK"
 readme = "README.md"
 license = { file = "LICENSE" }