Add bulk delete functionality for loras and implement model duplicates management. See #198

- Introduced a new API endpoint for bulk deleting loras.
- Added ModelDuplicatesManager to handle duplicate models for loras and checkpoints.
- Implemented UI components for displaying duplicates and managing selections.
- Enhanced controls with a button for finding duplicates.
- Updated templates to include a duplicates banner and associated actions.

static/js/checkpoints.js

@@ -4,6 +4,7 @@ import { createPageControls } from './components/controls/index.js';
 import { loadMoreCheckpoints } from './api/checkpointApi.js';
 import { CheckpointDownloadManager } from './managers/CheckpointDownloadManager.js';
 import { CheckpointContextMenu } from './components/ContextMenu/index.js';
+import { ModelDuplicatesManager } from './components/ModelDuplicatesManager.js';
 
 // Initialize the Checkpoints page
 class CheckpointsPageManager {
@@ -14,6 +15,9 @@ class CheckpointsPageManager {
         // Initialize checkpoint download manager
         window.checkpointDownloadManager = new CheckpointDownloadManager();
         
+        // Initialize the ModelDuplicatesManager
+        this.duplicatesManager = new ModelDuplicatesManager(this);
+        
         // Expose only necessary functions to global scope
         this._exposeRequiredGlobalFunctions();
     }
@@ -29,6 +33,9 @@ class CheckpointsPageManager {
         window.checkpointManager = {
             loadCheckpoints: (reset) => loadMoreCheckpoints(reset)
         };
+        
+        // Expose duplicates manager
+        window.modelDuplicatesManager = this.duplicatesManager;
     }
     
     async initialize() {