[API Nodes] add Magnific nodes (Comfy-Org#11986)

* feat(api-nodes): add Magnific nodes

* aggressive downscaling should not be performed

* disable upscaler nodes

---------

Co-authored-by: Jedrzej Kosinski <kosinkadink1@gmail.com>

Author: bigcat88

comfy_api_nodes/apis/magnific.py

@@ -0,0 +1,122 @@
+from typing import TypedDict
+
+from pydantic import AliasChoices, BaseModel, Field, model_validator
+
+
+class InputPortraitMode(TypedDict):
+    portrait_mode: str
+    portrait_style: str
+    portrait_beautifier: str
+
+
+class InputAdvancedSettings(TypedDict):
+    advanced_settings: str
+    whites: int
+    blacks: int
+    brightness: int
+    contrast: int
+    saturation: int
+    engine: str
+    transfer_light_a: str
+    transfer_light_b: str
+    fixed_generation: bool
+
+
+class InputSkinEnhancerMode(TypedDict):
+    mode: str
+    skin_detail: int
+    optimized_for: str
+
+
+class ImageUpscalerCreativeRequest(BaseModel):
+    image: str = Field(...)
+    scale_factor: str = Field(...)
+    optimized_for: str = Field(...)
+    prompt: str | None = Field(None)
+    creativity: int = Field(...)
+    hdr: int = Field(...)
+    resemblance: int = Field(...)
+    fractality: int = Field(...)
+    engine: str = Field(...)
+
+
+class ImageUpscalerPrecisionV2Request(BaseModel):
+    image: str = Field(...)
+    sharpen: int = Field(...)
+    smart_grain: int = Field(...)
+    ultra_detail: int = Field(...)
+    flavor: str = Field(...)
+    scale_factor: int = Field(...)
+
+
+class ImageRelightAdvancedSettingsRequest(BaseModel):
+    whites: int = Field(...)
+    blacks: int = Field(...)
+    brightness: int = Field(...)
+    contrast: int = Field(...)
+    saturation: int = Field(...)
+    engine: str = Field(...)
+    transfer_light_a: str = Field(...)
+    transfer_light_b: str = Field(...)
+    fixed_generation: bool = Field(...)
+
+
+class ImageRelightRequest(BaseModel):
+    image: str = Field(...)
+    prompt: str | None = Field(None)
+    transfer_light_from_reference_image: str | None = Field(None)
+    light_transfer_strength: int = Field(...)
+    interpolate_from_original: bool = Field(...)
+    change_background: bool = Field(...)
+    style: str = Field(...)
+    preserve_details: bool = Field(...)
+    advanced_settings: ImageRelightAdvancedSettingsRequest | None = Field(...)
+
+
+class ImageStyleTransferRequest(BaseModel):
+    image: str = Field(...)
+    reference_image: str = Field(...)
+    prompt: str | None = Field(None)
+    style_strength: int = Field(...)
+    structure_strength: int = Field(...)
+    is_portrait: bool = Field(...)
+    portrait_style: str | None = Field(...)
+    portrait_beautifier: str | None = Field(...)
+    flavor: str = Field(...)
+    engine: str = Field(...)
+    fixed_generation: bool = Field(...)
+
+
+class ImageSkinEnhancerCreativeRequest(BaseModel):
+    image: str = Field(...)
+    sharpen: int = Field(...)
+    smart_grain: int = Field(...)
+
+
+class ImageSkinEnhancerFaithfulRequest(BaseModel):
+    image: str = Field(...)
+    sharpen: int = Field(...)
+    smart_grain: int = Field(...)
+    skin_detail: int = Field(...)
+
+
+class ImageSkinEnhancerFlexibleRequest(BaseModel):
+    image: str = Field(...)
+    sharpen: int = Field(...)
+    smart_grain: int = Field(...)
+    optimized_for: str = Field(...)
+
+
+class TaskResponse(BaseModel):
+    """Unified response model that handles both wrapped and unwrapped API responses."""
+
+    task_id: str = Field(...)
+    status: str = Field(validation_alias=AliasChoices("status", "task_status"))
+    generated: list[str] | None = Field(None)
+
+    @model_validator(mode="before")
+    @classmethod
+    def unwrap_data(cls, values: dict) -> dict:
+        if "data" in values and isinstance(values["data"], dict):
+            return values["data"]
+        return values