feat(SaveImageLM): add add_loras_to_prompt toggle to restore legacy lora syntax line in metadata

tests/nodes/test_save_image.py

@@ -86,6 +86,41 @@ def test_save_image_skips_png_parameters_when_metadata_disabled_and_keeps_workfl
         assert img.info["workflow"] == json.dumps(workflow)
 
 
+def test_save_image_does_not_append_loras_to_prompt_by_default(monkeypatch, tmp_path):
+    _configure_save_paths(monkeypatch, tmp_path)
+    _configure_metadata(
+        monkeypatch,
+        {"prompt": "prompt text", "seed": 123, "loras": "<lora:foo:0.7>"},
+    )
+
+    node = SaveImageLM()
+    node.save_images([_make_image()], "ComfyUI", "png", id="node-1")
+
+    image_path = tmp_path / "sample_00001_.png"
+    with Image.open(image_path) as img:
+        assert "<lora:" not in img.info["parameters"]
+        assert img.info["parameters"] == "prompt text\nSeed: 123, Version: ComfyUI"
+
+
+def test_save_image_appends_loras_to_prompt_when_enabled(monkeypatch, tmp_path):
+    _configure_save_paths(monkeypatch, tmp_path)
+    _configure_metadata(
+        monkeypatch,
+        {"prompt": "prompt text", "seed": 123, "loras": "<lora:foo:0.7>"},
+    )
+
+    node = SaveImageLM()
+    node.save_images(
+        [_make_image()], "ComfyUI", "png", id="node-1", add_loras_to_prompt=True
+    )
+
+    image_path = tmp_path / "sample_00001_.png"
+    with Image.open(image_path) as img:
+        assert img.info["parameters"] == (
+            "prompt text\n<lora:foo:0.7>\nSeed: 123, Version: ComfyUI"
+        )
+
+
 def test_save_image_skips_jpeg_metadata_when_disabled(monkeypatch, tmp_path):
     _configure_save_paths(monkeypatch, tmp_path)
     _configure_metadata(monkeypatch, {"prompt": "prompt text", "seed": 123})
@@ -451,6 +486,14 @@ class TestParameterDefaultConsistency:
         assert SaveImageLM.save_images.__defaults__[5] == 0
         assert SaveImageLM.process_image.__defaults__[7] == 0
 
+    def test_add_loras_to_prompt_defaults_are_consistent(self):
+        input_types = SaveImageLM.INPUT_TYPES()
+        optional = input_types["optional"]
+
+        assert optional["add_loras_to_prompt"][1]["default"] is False
+        assert SaveImageLM.save_images.__defaults__[-1] is False
+        assert SaveImageLM.process_image.__defaults__[-1] is False
+
 
 def test_png_does_not_pass_webp_method_or_jpeg_subsampling(monkeypatch, tmp_path):
     _configure_save_paths(monkeypatch, tmp_path)