fix: shadowing state variable dans openEditor + imports manquants pour deleteFile

frontend/js/utils.js

@@ -1,6 +1,7 @@
 import { state } from './state.js';
 import { api } from './auth.js';
-import { openFile } from './viewer.js';
+import { openFile, showWelcome } from './viewer.js';
+import { refreshSidebarForContext, refreshTagsForContext } from './sidebar.js';
 
 // ---------------------------------------------------------------------------
 // File extension → Lucide icon mapping
@@ -353,13 +354,13 @@ async function openEditor(vaultName, filePath) {
       extensions.push(oneDark);
     }
 
-    const state = EditorState.create({
+    const cmState = EditorState.create({
       doc: rawData.raw,
       extensions: extensions,
     });
 
     state.editorView = new EditorView({
-      state: state,
+      state: cmState,
       parent: bodyEl,
     });
   } catch (err) {