Add read-only NAS and WebDAV photo sources with random scheduling

pigway_frame_flow/models.py

@@ -60,13 +60,21 @@ class TemplateContent(StrictModel):
     profile: Profile = Profile.color
 
 
+class PhotoSourceContent(StrictModel):
+    type: Literal["photo_source"]
+    source_id: str = Field(pattern=r"^[a-z0-9-]{1,60}$")
+    item_id: str | None = Field(default=None, max_length=2048)
+    fit: Fit = Fit.contain
+    profile: Profile = Profile.color
+
+
 class FutureContent(StrictModel):
     type: Literal["html", "markdown"]
     data: str = ""
 
 
 Content = Annotated[
-    ImageContent | URLContent | TemplateContent | FutureContent,
+    ImageContent | URLContent | TemplateContent | PhotoSourceContent | FutureContent,
     Field(discriminator="type"),
 ]