Expose latent upscale sampler controls

tests/test_dumas_h3_longvideos.py

@@ -306,18 +306,21 @@ class DumasH3LongVideosHelperTests(unittest.TestCase):
                 latent_upscale_param={
                     "mode": "model",
                     "model_name": "upscale.safetensors",
-                    "width": 256,
-                    "height": 128,
                     "device": "cpu",
                     "precision": "fp16",
-                    "refine_denoise": 0.4,
+                    "sampler_name": "euler_ancestral",
+                    "scheduler": "simple",
+                    "steps": 2,
+                    "denoise": 0.4,
+                    "megapixels": 1.5,
                 },
             )
 
             self.assertEqual(len(calls), 2)
             self.assertIsNot(calls[1][0][8], first_out)
             self.assertEqual(calls[1][0][8]["samples"].unbind()[0].name, "upv")
-            self.assertEqual(calls[1][0][4], "res_multistep")
+            self.assertEqual(calls[1][0][2], 2)
+            self.assertEqual(calls[1][0][4], "euler_ancestral")
             self.assertEqual(calls[1][0][5], "simple")
             self.assertAlmostEqual(calls[1][1]["denoise"], 0.4)
             self.assertEqual(result[1], first_out)
@@ -424,11 +427,13 @@ class DumasH3LongVideosHelperTests(unittest.TestCase):
                 latent_upscale_param={
                     "mode": "model",
                     "model_name": "upscale.safetensors",
-                    "width": 256,
-                    "height": 128,
                     "device": "cpu",
                     "precision": "fp16",
-                    "refine_denoise": 0.4,
+                    "sampler_name": "euler_ancestral",
+                    "scheduler": "simple",
+                    "steps": 2,
+                    "denoise": 0.4,
+                    "megapixels": 1.5,
                 },
             )
 
@@ -1096,6 +1101,7 @@ class DumasH3LongVideosHelperTests(unittest.TestCase):
 
     def test_latent_upscale_params_node_is_exposed(self):
         latent = importlib.import_module("dumas_h3_latent_upscale")
+        required = latent.H3LatentUpscaleParams.INPUT_TYPES()["required"]
 
         self.assertEqual(
             latent.NODE_CLASS_MAPPINGS,
@@ -1105,6 +1111,11 @@ class DumasH3LongVideosHelperTests(unittest.TestCase):
             latent.NODE_DISPLAY_NAME_MAPPINGS,
             {"DumasH3LatentUpscaleParams": "Dumas H3 Latent Upscale Params"},
         )
+        self.assertEqual(required["sampler_name"][1]["default"], "euler_ancestral")
+        self.assertEqual(required["scheduler"][1]["default"], "simple")
+        self.assertEqual(required["steps"][1]["default"], 2)
+        self.assertEqual(required["denoise"][1]["default"], 0.2)
+        self.assertEqual(required["megapixels"][1]["default"], 1.0)
 
     def test_compose_persistent_does_not_expand_ambiguous_plural_to_full_cast(self):
         active = self.module.parse_wardrobe(