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

src/models/openai.py

@@ -0,0 +1,30 @@
+from src.models.base import Model
+from src.settings.base import Resolutions, Sizes
+from src.settings.video import VideoSettings, dimensions_string
+
+
+class _SoraModel(Model):
+    """Shared Sora video logic for the OpenAI and Azure providers, which expose
+    the same model family and parameters via litellm. Subclasses set PROVIDER."""
+
+    # MAX_SECONDS=12 is a reasonable-but-unconfirmed ceiling: litellm's own
+    # default is "4" and no hard max was confirmed against Sora's API docs.
+    VIDEO_SETTINGS = VideoSettings(
+        SIZE=[Sizes._16_9, Sizes._9_16],
+        RESOLUTIONS=[Resolutions._1K, Resolutions._2K],
+        MIN_SECONDS=4,
+        MAX_SECONDS=12,
+    )
+
+    @classmethod
+    def list_models(cls) -> list[str]:
+        return ["sora-2", "sora-2-pro", "sora-2-pro-high-res"]
+
+    @classmethod
+    def video_kwargs(cls, model_id: str, settings: dict) -> dict:
+        size = dimensions_string(settings["size"], settings["resolution"], "x")
+        return {"size": size, "seconds": str(settings["seconds"])}
+
+
+class OpenAIModel(_SoraModel):
+    PROVIDER = "openai"