feat: add delete playlist button to edit modal

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/main.js

@@ -28,6 +28,7 @@ import {
   createPlaylistPrompt, showSongInfo, closeInfoModal, openDlModal, closeDlModal,
   selectDlType, executeDownload, executeSpotifyDownload, openEditPlModal, closeEditPlModal,
   saveEditPlaylist, editPlUploadCover, editPlCoverSelected, editPlRemoveCover,
+  deletePlaylist,
   toggleMobileSearch, closeMobileSearch, switchSetupTab,
   toggleNotifPanel, deleteNotif, clearNotifs, initNotifBell,
 } from './ui.js';
@@ -235,7 +236,7 @@ Object.assign(window, {
   showSongInfo, closeInfoModal,
   openDlModal, closeDlModal, selectDlType, executeDownload,
   openEditPlModal, closeEditPlModal, saveEditPlaylist,
-  editPlUploadCover, editPlCoverSelected, editPlRemoveCover,
+  editPlUploadCover, editPlCoverSelected, editPlRemoveCover, deletePlaylist,
   toggleMobileSearch, closeMobileSearch, switchSetupTab,
   toggleNotifPanel, deleteNotif, clearNotifs,
   // App

src/ui.js

@@ -572,3 +572,15 @@ export async function editPlRemoveCover() {
   } catch(e) { S._ndToken = null; toast('Fehler: '+e.message); }
 }
 
+export async function deletePlaylist() {
+  const pl = S._currentPlaylist;
+  if (!pl) return;
+  if (!confirm(`Playlist "${pl.name}" wirklich löschen?`)) return;
+  try {
+    await api('deletePlaylist', `&id=${pl.id}`);
+    closeEditPlModal();
+    toast(`🗑 "${pl.name}" gelöscht`);
+    navigate('playlists');
+  } catch(e) { toast('Fehler beim Löschen: ' + e.message); }
+}
+