fix: clarify explicit zero prices in manual review

tests/test_arr_web.py

@@ -470,7 +470,7 @@ class PortalApplicationTests(unittest.TestCase):
         self.assertIn("function confirmDailyPriceReviewCancel", script)
         self.assertIn("const DAILY_PRICE_REVIEW_PAGE_SIZE = 50", script)
         self.assertIn('inputmode="numeric"', script)
-        self.assertIn('placeholder="0"', script)
+        self.assertIn('I18N?.t("daily_review.price_placeholder")', script)
         self.assertIn("人工价格必须是非负整数，例如 0。", script)
         self.assertIn("return formatInteger(numeric);", script)
         self.assertNotIn('inputmode="decimal"', script)