Refactor ScribeChapterComponent and offline handlers for seamless local and server operations

- Add stricter typings (`RefObject`) and improve type safety.
- Introduce conditional logic for `localBook` to

app/page.tsx

@@ -205,13 +205,11 @@ function ScribeContent() {
             let serverBooksResponse: SyncedBook[] = [];
 
             if (!isCurrentlyOffline()){
-                // Mode online: récupérer les livres du serveur ET de la DB locale
                 if (offlineMode.isDatabaseInitialized) {
                     localBooksResponse = await window.electron.invoke<SyncedBook[]>('db:books:synced');
                 }
                 serverBooksResponse = await System.authGetQueryToServer<SyncedBook[]>('books/synced', session.accessToken, locale);
             } else {
-                // Mode offline: récupérer uniquement depuis la DB locale
                 if (offlineMode.isDatabaseInitialized) {
                     localBooksResponse = await window.electron.invoke<SyncedBook[]>('db:books:synced');
                 }
@@ -364,13 +362,6 @@ function ScribeContent() {
                         console.error('[Page] Error initializing user:', error);
                     }
                 }
-                setSession({
-                    isConnected: true,
-                    user: user,
-                    accessToken: token,
-                });
-                setCurrentCredits(user.creditsBalance)
-                setAmountSpent(user.aiUsage)
                 if (window.electron && user.id) {
                     try {
                         const dbInitialized:boolean = await initializeDatabase(user.id);
@@ -392,6 +383,13 @@ function ScribeContent() {
                         console.error('Failed to initialize database:', error);
                     }
                 }
+                setSession({
+                    isConnected: true,
+                    user: user,
+                    accessToken: token,
+                });
+                setCurrentCredits(user.creditsBalance)
+                setAmountSpent(user.aiUsage)
             } catch (e: unknown) {
                 if (window.electron) {
                     try {