* fix: remove comment toast notifications
Remove success toasts after updating a comment
Remove success toasts after saving a comment draft
Keep saving logic and line reset intact without toast feedback
* fix(ui): remove success toast on draft save
Remove success toast after saving a draft
Suppress toast when updating an existing draft
* fix(planview): suppress toast on save and reset state
Remove toast notification after saving or updating a draft
Clear comment input and line selection after commit
Preserve draft save/update logic without triggering toast