diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index d8e10d6..2c19a1c 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -160,8 +160,8 @@ fn import_seed_products(app: tauri::AppHandle) -> Result<String, String> {
     );
 
     // Dedup existing products by (name_lower, source, store_id).
-    // Reassign food_log and recipe_ingredients refs to kept (MIN id) product, then delete dupes.
-    let _ = main_db.execute_batch(
+    // Each statement separate — execute_batch can fail silently on multi-statement strings.
+    main_db.execute(
         "UPDATE food_log SET product_id = (
            SELECT MIN(p2.id) FROM products p2
            WHERE p2.name_lower = (SELECT p3.name_lower FROM products p3 WHERE p3.id = food_log.product_id)
@@ -170,9 +170,10 @@ fn import_seed_products(app: tauri::AppHandle) -> Result<String, String> {
          ) WHERE product_id NOT IN (
            SELECT MIN(id) FROM products WHERE name_lower IS NOT NULL
            GROUP BY name_lower, source, COALESCE(store_id,'')
-         );
+         )", []).map_err(|e| format!("dedup food_log: {}", e))?;
 
-         UPDATE recipe_ingredients SET product_id = (
+    main_db.execute(
+        "UPDATE recipe_ingredients SET product_id = (
            SELECT MIN(p2.id) FROM products p2
            WHERE p2.name_lower = (SELECT p3.name_lower FROM products p3 WHERE p3.id = recipe_ingredients.product_id)
              AND p2.source = (SELECT p3.source FROM products p3 WHERE p3.id = recipe_ingredients.product_id)
@@ -180,21 +181,21 @@ fn import_seed_products(app: tauri::AppHandle) -> Result<String, String> {
          ) WHERE product_id NOT IN (
            SELECT MIN(id) FROM products WHERE name_lower IS NOT NULL
            GROUP BY name_lower, source, COALESCE(store_id,'')
-         );
+         )", []).map_err(|e| format!("dedup recipe_ingredients: {}", e))?;
 
-         DELETE FROM products WHERE name_lower IS NOT NULL
+    main_db.execute(
+        "DELETE FROM products WHERE name_lower IS NOT NULL
            AND id NOT IN (
              SELECT MIN(id) FROM products WHERE name_lower IS NOT NULL
              GROUP BY name_lower, source, COALESCE(store_id,'')
-           );"
-    );
+           )", []).map_err(|e| format!("dedup delete: {}", e))?;
 
-    // Create UNIQUE index to prevent future duplicates
-    let _ = main_db.execute_batch(
+    // UNIQUE index to prevent future duplicates
+    main_db.execute(
         "CREATE UNIQUE INDEX IF NOT EXISTS idx_products_dedup
-           ON main.products(name_lower, source, COALESCE(store_id, ''))
-           WHERE name_lower IS NOT NULL;"
-    );
+           ON products(name_lower, source, COALESCE(store_id, ''))
+           WHERE name_lower IS NOT NULL", [])
+        .map_err(|e| format!("unique index: {}", e))?;
 
     // Bulk INSERT new products from seed (INSERT OR IGNORE now works with unique index)
     let inserted = main_db.execute(