Add cpu_only field to encoder model configs

Co-authored-by: lstein <111189+lstein@users.noreply.github.com>

Author: Copilot

invokeai/backend/model_manager/configs/clip_embed.py

@@ -41,6 +41,7 @@ class CLIPEmbed_Diffusers_Config_Base(Diffusers_Config_Base):
     base: Literal[BaseModelType.Any] = Field(default=BaseModelType.Any)
     type: Literal[ModelType.CLIPEmbed] = Field(default=ModelType.CLIPEmbed)
     format: Literal[ModelFormat.Diffusers] = Field(default=ModelFormat.Diffusers)
+    cpu_only: bool | None = Field(default=None, description="Whether this model should run on CPU only")
 
     @classmethod
     def from_model_on_disk(cls, mod: ModelOnDisk, override_fields: dict[str, Any]) -> Self:

invokeai/backend/model_manager/configs/clip_vision.py

@@ -28,6 +28,7 @@ class CLIPVision_Diffusers_Config(Diffusers_Config_Base, Config_Base):
     base: Literal[BaseModelType.Any] = Field(default=BaseModelType.Any)
     type: Literal[ModelType.CLIPVision] = Field(default=ModelType.CLIPVision)
     format: Literal[ModelFormat.Diffusers] = Field(default=ModelFormat.Diffusers)
+    cpu_only: bool | None = Field(default=None, description="Whether this model should run on CPU only")
 
     @classmethod
     def from_model_on_disk(cls, mod: ModelOnDisk, override_fields: dict[str, Any]) -> Self:

invokeai/backend/model_manager/configs/llava_onevision.py

@@ -25,6 +25,7 @@ class LlavaOnevision_Diffusers_Config(Diffusers_Config_Base, Config_Base):
 
     type: Literal[ModelType.LlavaOnevision] = Field(default=ModelType.LlavaOnevision)
     base: Literal[BaseModelType.Any] = Field(default=BaseModelType.Any)
+    cpu_only: bool | None = Field(default=None, description="Whether this model should run on CPU only")
 
     @classmethod
     def from_model_on_disk(cls, mod: ModelOnDisk, override_fields: dict[str, Any]) -> Self:

invokeai/backend/model_manager/configs/siglip.py

@@ -27,6 +27,7 @@ class SigLIP_Diffusers_Config(Diffusers_Config_Base, Config_Base):
     type: Literal[ModelType.SigLIP] = Field(default=ModelType.SigLIP)
     format: Literal[ModelFormat.Diffusers] = Field(default=ModelFormat.Diffusers)
     base: Literal[BaseModelType.Any] = Field(default=BaseModelType.Any)
+    cpu_only: bool | None = Field(default=None, description="Whether this model should run on CPU only")
 
     @classmethod
     def from_model_on_disk(cls, mod: ModelOnDisk, override_fields: dict[str, Any]) -> Self: