US03-03: Generate and Persist Versioned Proposals (#63)

photo_pipeline/schemas/albums.py

@@ -0,0 +1,19 @@
+"""Album proposal API request contracts."""
+
+from __future__ import annotations
+
+from pydantic import BaseModel
+
+
+class GenerateProposalsRequest(BaseModel):
+    # None = every album with evidence.
+    albums: list[str] | None = None
+
+
+class EditProposalRequest(BaseModel):
+    name: str
+    expected_version: int
+
+
+class ApproveProposalRequest(BaseModel):
+    expected_version: int