Get one morning email with tasks and important mail

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

ME = "me@example.com"

@on_trigger
def run(event):
    tasks = http.get("https://api.todoist.com/api/v1/tasks/filter", params={"query": "today | overdue"},
                     headers={"Authorization": "Bearer " + credentials.connection("todoist", "main")}).json()["results"]
    gmail = build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False).users()
    ids = gmail.messages().list(userId="me", q="is:unread is:important newer_than:1d", maxResults=15).execute().get("messages", [])
    mails = [gmail.messages().get(userId="me", id=m["id"], format="metadata", metadataHeaders=["From", "Subject"]).execute() for m in ids]
    lines = [f"{h['From']} – {h['Subject']}: {m['snippet']}" for m in mails
             for h in [{x["name"]: x["value"] for x in m["payload"]["headers"]}]]
    try:
        summary = ai.generate("\n".join(lines), system="Summarise these emails in short bullets, noting which need a reply.", max_output_tokens=400).text if lines else "No important unread email."
    except (ai.AINotIncluded, ai.AILimitReached):
        summary = "\n".join(l.split(":")[0] for l in lines)
    task_lines = "\n".join(f"• {t['content']} ({(t.get('due') or {}).get('date', '')})" for t in tasks) or "Nothing due."
    msg = EmailMessage()
    msg["To"], msg["Subject"] = ME, f"Today: {len(tasks)} tasks, {len(lines)} important emails"
    msg.set_content(f"TASKS\n{task_lines}\n\nIMPORTANT EMAIL\n{summary}")
    gmail.messages().send(userId="me", body={"raw": base64.urlsafe_b64encode(msg.as_bytes()).decode()}).execute()
    return {"tasks": len(tasks), "emails": len(lines)}