feat(wordcloud): 收口在途开发（布局/存储/前端）+ R4 WCD 生产任务(jobs wcd_file)与生产订单列表

backend/tests/test_layout_constraints.py

@@ -53,6 +53,8 @@ class LayoutConstraintTests(unittest.TestCase):
                 "SEED",
                 "TARGET_FILL_RATIO",
                 "WC_FONT_PATH",
+                "AUTO_REPEAT_TO_FILL",
+                "AUTO_REPEAT_MAX",
             )
         }
         config.WC_FONT_PATH = str(config.PROJECT_DEFAULT_FONT)
@@ -66,6 +68,7 @@ class LayoutConstraintTests(unittest.TestCase):
         config.LAYOUT_SEED = 20260718
         config.SEED = 20260718
         config.TARGET_FILL_RATIO = 0.42
+        config.AUTO_REPEAT_TO_FILL = False
 
     def tearDown(self) -> None:
         for key, value in self.saved.items():
@@ -91,6 +94,13 @@ class LayoutConstraintTests(unittest.TestCase):
         self.assertEqual(len(layout), len(names))
         self.assertEqual(len({font_size for _, font_size, *_ in layout}), 1)
 
+    def test_auto_repeat_keeps_hd_layout_overlap_free(self) -> None:
+        config.AUTO_REPEAT_TO_FILL = True
+        config.AUTO_REPEAT_MAX = 2
+        names, result = self.generate(40)
+        self.assertGreaterEqual(len(result["hd_layout"]), len(names))
+        self.assertEqual(result["hd_overlap_pixels"], 0)
+
     def test_explicit_equal_min_max_is_exact(self) -> None:
         config.USER_MIN_FONT_SIZE = 12
         config.USER_MAX_FONT_SIZE = 12