Update video node to support more parameters and make it more dynamic

src/settings/base.py

@@ -0,0 +1,57 @@
+from enum import Enum
+
+from comfy_api.latest import io
+from pydantic import BaseModel
+
+
+class Sizes(str, Enum):
+    """Every aspect ratio used anywhere in the app. Add a new ratio here once;
+    every model's SIZE list references these members instead of a raw string."""
+
+    _21_9 = "21:9"
+    _16_9 = "16:9"
+    _4_3 = "4:3"
+    _1_1 = "1:1"
+    _3_4 = "3:4"
+    _9_16 = "9:16"
+    _3_2 = "3:2"
+    _5_4 = "5:4"
+    _4_5 = "4:5"
+    _2_3 = "2:3"
+
+
+class Resolutions(str, Enum):
+    """Every resolution tier used anywhere in the app. Add a new tier here
+    once; every model's RESOLUTIONS list references these members instead of
+    a raw string."""
+
+    _480 = "480"
+    _720 = "720"
+    _1080 = "1080"
+    _1K = "1K"
+    _2K = "2K"
+    _4K = "4K"
+
+
+class Settings(BaseModel):
+    """Base config for a modality (image/video): the generic size/resolution
+    options a model supports, plus the io.Input builders shared by both."""
+
+    SIZE: list[Sizes]
+    RESOLUTIONS: list[Resolutions]
+
+    def size_input(self, default=None):
+        return io.Combo.Input(
+            "size",
+            options=list(self.SIZE),
+            default=default if default is not None else self.SIZE[0],
+            tooltip="Aspect ratio of the generated output.",
+        )
+
+    def resolution_input(self, default=None):
+        return io.Combo.Input(
+            "resolution",
+            options=list(self.RESOLUTIONS),
+            default=default if default is not None else self.RESOLUTIONS[0],
+            tooltip="Output resolution tier.",
+        )