feat: shared link list (#14200)

#### PR Dependency Tree


* **PR #14200** 👈

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[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

## Release Notes

* **New Features**
* Added a "Shared Links" panel to workspace management, enabling admins
to view all published documents within a workspace
* Added publication date tracking for published documents, now displayed
alongside shared links

* **Chores**
  * Removed deprecated `publicPages` field; use `publicDocs` instead

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<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/backend/server/src/models/doc.ts

@@ -484,12 +484,10 @@ export class DocModel extends BaseModel {
   /**
    * Find the workspace public doc metas.
    */
-  async findPublics(workspaceId: string) {
+  async findPublics(workspaceId: string, order: 'asc' | 'desc' = 'asc') {
     return await this.db.workspaceDoc.findMany({
-      where: {
-        workspaceId,
-        public: true,
-      },
+      where: { workspaceId, public: true },
+      orderBy: { publishedAt: order },
     });
   }
 
@@ -524,6 +522,7 @@ export class DocModel extends BaseModel {
     return await this.upsertMeta(workspaceId, docId, {
       public: true,
       mode,
+      publishedAt: new Date(),
     });
   }
 
@@ -536,6 +535,7 @@ export class DocModel extends BaseModel {
 
     return await this.upsertMeta(workspaceId, docId, {
       public: false,
+      publishedAt: null,
     });
   }