New link previews in Slack integration (#389)

Author: danciaclara

docs/integrations/slack.mdx

@@ -222,24 +222,23 @@ The AI understands context from your conversation, so follow-up questions work n
 
 ### Link previews
 
-When you share a Plane Work item, Cycle, or Module link in Slack, you’ll see a live preview of its details, including:
+When you share a work item link in Slack, the preview displays as an interactive card. Click anywhere on the preview to open a sidebar that shows the full work item details without leaving Slack.
 
-- **Issues**  
-  Title, status, priority, assignee, and quick actions.
-- **Cycles and Modules**  
-  Progress percentage, active vs. completed work items, and key details.
+![Work item sidebar view](https://media.docs.plane.so/integrations/slack/work-item-sidebar-view.webp#hero)
+
+You can view and navigate through all work item details right from Slack. If you need to make changes, use the quick action buttons at the bottom of the preview.
 
 #### Quick action buttons
 
 With link previews, you can interact with the work item directly from Slack.
 
-![Link previews](https://media.docs.plane.so/integrations/slack/link-preview.webp#hero)
-
 - **View in Plane** - Opens the work item in Plane
-- **Assign to me** - Instantly assigns you to the work item
-- **Update Work Item** - Opens a modal to change priority, labels, state, or assignees
+- **Add me to Assignees** - Instantly adds you as an assignee to the work item
+- **Edit** - Opens a modal on the right pane to update work item details
+
+Make your changes and click Save Changes. The work item updates in Plane immediately, and the preview in Slack refreshes to show the new details.
 
-This makes it easy to stay updated and take action without leaving Slack.
+This means you can triage work items, update priorities, reassign tasks, and manage details during Slack conversations without opening Plane.
 
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