fix: AI toolbar créée hors try/catch + simplifié imports circulaires

frontend/js/utils.js

@@ -2,10 +2,7 @@ import { state } from './state.js';
 import { api } from './auth.js';
 import { openFile, showWelcome } from './viewer.js';
 import { refreshSidebarForContext, refreshTagsForContext } from './sidebar.js';
-import { createAIToolbar, setToast } from './ai.js';
-import { showToast } from './ui.js';
-
-let _aiToolbarCreated = false;
+import { createAIToolbar } from './ai.js';
 
 // ---------------------------------------------------------------------------
 // File extension → Lucide icon mapping
@@ -367,16 +364,6 @@ async function openEditor(vaultName, filePath) {
       state: cmState,
       parent: bodyEl,
     });
-
-    // Set up AI toolbar (once)
-    if (!_aiToolbarCreated) {
-      setToast(showToast);
-      const container = document.getElementById('ai-toolbar-container');
-      if (container) {
-        createAIToolbar(container, () => state.editorView);
-        _aiToolbarCreated = true;
-      }
-    }
   } catch (err) {
     console.error("CodeMirror init failed, falling back to textarea:", err);
     state.fallbackEditorEl = document.createElement("textarea");
@@ -385,6 +372,12 @@ async function openEditor(vaultName, filePath) {
     bodyEl.appendChild(state.fallbackEditorEl);
   }
 
+  // Set up AI toolbar (recreate each time editor opens)
+  const container = document.getElementById('ai-toolbar-container');
+  if (container && !container.querySelector('.ai-toolbar')) {
+    createAIToolbar(container, () => state.editorView || null);
+  }
+
   modal.classList.add("active");
   safeCreateIcons();
 }