feat: improve note path handling and add delete confirmation modal

- Updated API endpoints to handle note paths with slashes using regex routes
- Added warning modal component for note deletion confirmation
- Fixed URL encoding of note paths to preserve spaces and special characters
- Improved fullscreen note handling to use URL state and custom events
- Enhanced internal link copying to use proper URL format
- Removed test/sample note files from vault directory

src/components/file-explorer/file-explorer.component.ts

@@ -4,6 +4,7 @@ import { FormsModule } from '@angular/forms';
 import { VaultNode, VaultFile, VaultFolder } from '../../types';
 import { VaultService } from '../../services/vault.service';
 import { NoteCreationService } from '../../app/services/note-creation.service';
+import { UrlStateService } from '../../app/services/url-state.service';
 import { NotesListFocusService } from '../../app/services/notes-list-focus.service';
 import { FolderFilterService } from '../../app/services/folder-filter.service';
 import { BadgeCountComponent } from '../../app/shared/ui/badge-count.component';
@@ -184,6 +185,7 @@ export class FileExplorerComponent {
   private noteCreation = inject(NoteCreationService);
   private notesListFocus = inject(NotesListFocusService);
   private folderFilter = inject(FolderFilterService);
+  private urlState = inject(UrlStateService);
 
   // Computed filtered nodes based on folder filter settings
   filteredNodes = computed(() => {
@@ -569,11 +571,11 @@ export class FileExplorerComponent {
 
   private copyInternalLink() {
     if (!this.ctxTarget) return;
-    const link = `[[${this.ctxTarget.path}]]`;
-    navigator.clipboard.writeText(link).then(() => {
-      this.showNotification('Internal link copied to clipboard!', 'success');
+    const url = this.urlState.generateShareUrl({ folder: this.ctxTarget.path });
+    navigator.clipboard.writeText(url).then(() => {
+      this.showNotification('Folder URL copied to clipboard!', 'success');
     }).catch(() => {
-      this.showNotification('Failed to copy link', 'error');
+      this.showNotification('Failed to copy URL', 'error');
     });
   }
 

src/components/note-context-menu/note-context-menu.component.ts

@@ -45,10 +45,9 @@ type NoteAction =
       animation: fadeIn .12s ease-out;
       transform-origin: top left;
       user-select: none;
-      /* Theme-aware background and border */
       background: var(--card, #ffffff);
       border: 1px solid var(--border, #e5e7eb);
-      color: var(--fg, #111827);
+      color: var(--text-main, var(--fg, #111827));
       z-index: 10000;
     }
     .item {
@@ -113,6 +112,7 @@ type NoteAction =
       flex-shrink: 0;
     }
     @keyframes fadeIn { from { opacity:0; transform: scale(.95);} to { opacity:1; transform: scale(1);} }
+
   `],
   template: `
     <ng-container *ngIf="visible">