feat: manage saved thumbnail plans and select plans for tasks

pigway_frame_flow/models.py

@@ -107,6 +107,8 @@ Content = Annotated[
 
 
 class Options(StrictModel):
+    generate_thumbnail: bool = True
+    thumbnail_plan_id: str | None = Field(default=None, pattern=r"^[a-f0-9]{32}$")
     cleanup_unstarred: bool = False
     duration: int = Field(default=0, ge=0, le=604800)
     restore_previous: bool = False
@@ -281,6 +283,8 @@ class RestoreContent(StrictModel):
 
 
 class JobInput(StrictModel):
+    generate_thumbnail: bool = False
+    thumbnail_plan_id: str | None = Field(default=None, pattern=r"^[a-f0-9]{32}$")
     cleanup_unstarred: bool = False
     enabled: bool = True
     device_id: str = "living-room"
@@ -293,6 +297,15 @@ class JobInput(StrictModel):
 
     @model_validator(mode="after")
     def validate_options(self):
+        if self.generate_thumbnail and (
+            not self.thumbnail_plan_id
+            or not isinstance(self.source, PhotoSourceContent)
+        ):
+            raise ValueError(
+                "Thumbnail generation requires a photo source and one saved plan"
+            )
+        if not self.generate_thumbnail and self.thumbnail_plan_id:
+            raise ValueError("Enable thumbnail generation before selecting a plan")
         if self.cleanup_unstarred and not (
             isinstance(self.source, PhotoSourceContent) and self.source.item_id is None
         ):