PTO request agent template that checks the real Deel balance before booking

POLICY_TYPE = {"vacation": "Vacation", "paid": "Paid leave", "sick": "Sick leave",
               "personal": "Personal leave", "bereavement": "Bereavement leave",
               "other": "Other leave"}

policies = execute_tool("deelmcp_timeoff_policy_list", identifier=deel_user,
                        tool_input={"hris_profile_id": profile_id})
policy = next((p for p in policies
               if p["policy_type_name"] == POLICY_TYPE[pto_type]), None)
if policy is None:
    raise ConfigError(f"No {POLICY_TYPE[pto_type]} policy assigned to this worker")

existing = execute_tool("deelmcp_timeoff_request_list", identifier=deel_user,
    tool_input={"start_date": f"{start}T00:00:00Z",   # bare date is rejected here
                "end_date": f"{end}T23:59:59Z"})
for r in existing:
    if r["recipient_profile"]["hris_profile_id"] != profile_id:
        continue
    if r["status"] in ("REQUESTED", "APPROVED"):
        return reject("overlapping request already in Deel", notify_manager=True)

entitlements = execute_tool("deelmcp_timeoff_entitlement_list", identifier=deel_user,
    tool_input={"hris_profile_id": profile_id})
remaining = remaining_for(entitlements, POLICY_TYPE[pto_type])
requested = business_days(start, end)

if requested > remaining:
    return reject(f"{requested}d requested, {remaining}d remaining", notify_manager=True)

created = execute_tool("deelmcp_timeoff_request_create", identifier=deel_user, tool_input={
    "recipient_profile_id": profile_id,
    "policy_id": policy["id"],
    "start_date": start,
    "end_date": end,
    "status": "REQUESTED",          # never APPROVED
    "description": reason,
})
request_id = created["time_offs"][0]["id"]      # a list, not the usual data{} shape
state.mark_submitted(fingerprint, request_id)

busy = execute_tool("googlecalendar_list_events", identifier=employee_email,
                   tool_input={"calendar_id": settings.calendar_id,
                               "time_min": start, "time_max": end})
if not already_blocked(busy, start, end):
    execute_tool("googlecalendar_create_event", identifier=employee_email, tool_input={
        "calendar_id": settings.calendar_id,
        "summary": f"{POLICY_TYPE[pto_type]} - {employee_name}",
        "start_datetime": start,
        "event_duration_hour": 24 * business_days(start, end),
        "event_type": "outOfOffice",   # no description field allowed
    })

manager_id = settings.manager_slack_id or slack.resolve_user(settings.manager_email)
execute_tool("slackmcp_slack_send_message", identifier=slack_user, tool_input={
    "channel_id": manager_id,
    "message": (f"{employee_name} requested {POLICY_TYPE[pto_type]} "
                f"{start} to {end} ({requested}d). "
                f"Balance after approval: {remaining - requested}d. "
                f"Pending your approval in Deel."),
})