fix(types): add type hint to on_policy_selected callback (#743)

* fix(types): add type hint to on_policy_selected callback

Add ConfirmationPolicyBase type hint to the callback parameter
and -> None return type annotation.

Addresses item from code quality report.

Co-authored-by: openhands <openhands@all-hands.dev>
Closes #741

* chore: kick off CI for PR #743

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: openhands <openhands@all-hands.dev>
Co-authored-by: enyst <engel.nyst@gmail.com>

Author: 3 people

openhands_cli/tui/widgets/input_area.py

@@ -33,6 +33,7 @@
 
 
 if TYPE_CHECKING:
+    from openhands.sdk.security.confirmation_policy import ConfirmationPolicyBase
     from openhands_cli.tui.content.resources import LoadedResourcesInfo
     from openhands_cli.tui.textual_app import OpenHandsApp
     from openhands_cli.tui.widgets.main_display import ScrollableContent
@@ -136,7 +137,7 @@ def _command_confirm(self) -> None:
         current_policy = app.conversation_state.confirmation_policy
 
         # Callback posts message that bubbles up to ConversationManager
-        def on_policy_selected(policy):
+        def on_policy_selected(policy: ConfirmationPolicyBase) -> None:
             self.post_message(SetConfirmationPolicy(policy))
 
         confirmation_modal = ConfirmationSettingsModal(