Get alerted to Front conversations with no reply

import time
from clickruntime import on_trigger, credentials, http, notify, state, report_fetched

INBOX_ID = "inb_55c4"  # Support
API = "https://api2.frontapp.com"

@on_trigger
def run(event):
    headers = {"Authorization": f"Bearer {credentials.secret('FRONT_API_TOKEN')}"}
    convs = http.get(f"{API}/inboxes/{INBOX_ID}/conversations", headers=headers,
                     params={"q[statuses][]": ["assigned", "unassigned"], "limit": 100}).json()["_results"]
    alerted = set(state.get("alerted") or [])
    waiting = []
    for c in convs:
        msgs = http.get(f"{API}/conversations/{c['id']}/messages", headers=headers, params={"limit": 1}).json()["_results"]
        if msgs and msgs[0]["is_inbound"] and time.time() - msgs[0]["created_at"] > 2 * 3600 and c["id"] not in alerted:
            waiting.append(c)
    report_fetched(len(waiting))
    if not waiting:
        return {"waiting": 0}
    lines = [f"• {c['subject'] or '(no subject)'}: https://app.frontapp.com/open/{c['id']}" for c in waiting]
    notify.slack("Front conversations waiting over 2 hours:\n" + "\n".join(lines), channel="#support")
    state.set("alerted", list(alerted | {c["id"] for c in waiting})[-1000:])
    return {"waiting": len(waiting)}