major server manager overhaul

ServerManagerWebApp/backend/app/routers/scheduler.py

@@ -0,0 +1,34 @@
+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel
+from typing import List, Optional, Dict, Any
+from ..scheduler import add_job, get_jobs, remove_job
+
+router = APIRouter()
+
+class JobCreate(BaseModel):
+    task_name: str
+    cron_expression: str
+    args: Optional[List[Any]] = []
+    kwargs: Optional[Dict[str, Any]] = {}
+
+@router.get("/")
+def list_jobs():
+    return get_jobs()
+
+@router.post("/")
+def create_job(job: JobCreate):
+    try:
+        job_id = add_job(job.task_name, job.cron_expression, job.args, job.kwargs)
+        return {"id": job_id, "message": "Job scheduled"}
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+
+@router.delete("/{job_id}")
+def delete_job(job_id: str):
+    try:
+        remove_job(job_id)
+        return {"message": "Job deleted"}
+    except Exception:
+        raise HTTPException(status_code=404, detail="Job not found")