Add generation job attempt history API

app/api/generation.py

@@ -5,6 +5,7 @@ from typing import Annotated
 from fastapi import APIRouter, Header, HTTPException, Query, Request, status
 
 from app.generation.schemas.requests import (
+    GenerationJobAttemptView,
     GenerationJobView,
     GenerationProviderView,
     GenerationRequestCreate,
@@ -109,6 +110,19 @@ async def get_job(request: Request, generation_job_id: str) -> GenerationJobView
     )
 
 
+@router.get(
+    "/jobs/{generation_job_id}/attempts",
+    response_model=list[GenerationJobAttemptView],
+)
+async def list_job_attempts(
+    request: Request, generation_job_id: str
+) -> list[GenerationJobAttemptView]:
+    workspace_id, user_id = _identity(request)
+    return await _generation(request).list_job_attempts(
+        workspace_id, user_id, generation_job_id
+    )
+
+
 @router.post(
     "/jobs/{generation_job_id}/cancel", response_model=GenerationJobView
 )