diff --git a/apps/electron-backend/src/app/workers/database.worker-connection.ts b/apps/electron-backend/src/app/workers/database.worker-connection.ts
index 6c883560a..de81d9781 100644
--- a/apps/electron-backend/src/app/workers/database.worker-connection.ts
+++ b/apps/electron-backend/src/app/workers/database.worker-connection.ts
@@ -100,6 +100,12 @@ export function closeWorkerDatabase(): void {
         return;
     }
 
+    try {
+        sqlite.pragma('optimize');
+    } catch {
+        // Optimize is advisory; never block close on it.
+    }
+
     sqlite.close();
 
     if (isSqlTraceEnabled()) {
diff --git a/libs/shared/database/src/lib/connection.ts b/libs/shared/database/src/lib/connection.ts
index 6c632ec3f..e3fc06d4d 100644
--- a/libs/shared/database/src/lib/connection.ts
+++ b/libs/shared/database/src/lib/connection.ts
@@ -573,6 +573,12 @@ export async function getReadOnlyDatabase(): Promise<DatabaseInstance> {
  */
 export function closeDatabase(): void {
     if (sqlite) {
+        try {
+            sqlite.pragma('optimize');
+        } catch {
+            // Optimize is advisory; never block close on it.
+        }
+
         sqlite.close();
 
         if (isSqlTraceEnabled()) {