feat: add job CRUD API endpoints

app/main.py

@@ -1,8 +1,37 @@
-from fastapi import FastAPI
+from fastapi import FastAPI, HTTPException, status
+
+from app.models import CreateJobRequest, Job, JobResponse, JobStatus
+from app.store import JobStore
 
 app = FastAPI(title="FFmpeg Worker", version="1.0.0")
 
+job_store = JobStore()
+
 
 @app.get("/health")
 async def health() -> dict[str, str]:
     return {"status": "ok"}
+
+
+@app.post("/jobs", status_code=status.HTTP_201_CREATED)
+async def create_job(request: CreateJobRequest) -> JobResponse:
+    job = Job(command=request.command)
+    job_store.add(job)
+    return JobResponse.model_validate(job.model_dump())
+
+
+@app.get("/jobs/{job_id}")
+async def get_job(job_id: str) -> JobResponse:
+    job = job_store.get(job_id)
+    if job is None:
+        raise HTTPException(status_code=404, detail="Job not found")
+    return JobResponse.model_validate(job.model_dump())
+
+
+@app.get("/jobs")
+async def list_jobs(status: JobStatus | None = None) -> list[JobResponse]:
+    if status is not None:
+        jobs = job_store.list_by_status(status)
+    else:
+        jobs = job_store.list_all()
+    return [JobResponse.model_validate(job.model_dump()) for job in jobs]