US02-04: Expose Job APIs and Activity Events (#57)

photo_pipeline/schemas/__init__.py

@@ -1,5 +1,6 @@
 """Pydantic API request/response contracts."""
 
 from photo_pipeline.schemas.duplicates import DecisionRequest
+from photo_pipeline.schemas.jobs import JobStartRequest
 
-__all__ = ["DecisionRequest"]
+__all__ = ["DecisionRequest", "JobStartRequest"]

photo_pipeline/schemas/jobs.py

@@ -0,0 +1,12 @@
+"""Request contracts for job commands."""
+
+from __future__ import annotations
+
+from pydantic import BaseModel
+
+
+class JobStartRequest(BaseModel):
+    job_type: str
+    lock: str | None = None
+    idempotency_key: str | None = None
+    items: list[str] = []