Get a morning email summarising yesterday's Zoom meetings

import base64
from datetime import date, timedelta
from email.message import EmailMessage
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_trigger, credentials, http, ai

@on_trigger
def run(event):
    zoom = {"Authorization": f"Bearer {credentials.connection('zoom', 'work')}"}
    day = (date.today() - timedelta(days=1)).isoformat()
    meetings = http.get("https://api.zoom.us/v2/users/me/recordings", headers=zoom, params={"from": day, "to": day}).json()["meetings"]
    sections = []
    for m in meetings:
        vtt = next((f for f in m["recording_files"] if f["file_type"] == "TRANSCRIPT"), None)
        if not vtt:
            continue
        text = http.get(vtt["download_url"], headers=zoom).text[:20000]
        summary = ai.generate(f"Summarise this meeting in 3 sentences, then list action items:\n{text}", max_output_tokens=400).text
        sections.append(f"{m['topic']}\n{summary}")
    if not sections:
        return {"meetings": 0}
    msg = EmailMessage()
    msg["To"], msg["Subject"] = "me", f"Yesterday's meetings ({len(sections)})"
    msg.set_content("\n\n".join(sections))
    gmail = build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)
    gmail.users().messages().send(userId="me", body={"raw": base64.urlsafe_b64encode(msg.as_bytes()).decode()}).execute()
    return {"meetings": len(sections)}