Post to LinkedIn daily and get an email copy

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, state, ai

TOPICS = ["Pricing a fixed-fee project", "Saying no to scope creep", "What a good kickoff call covers"]
ME = "me@example.com"

@on_trigger
def run(event):
    i = state.get("next") or 0
    if i >= len(TOPICS):
        return {"posted": False, "reason": "topic list used up"}
    text = ai.generate(f"Write a LinkedIn post of about 150 words on: {TOPICS[i]}",
                       system="Plain, practical first-person tone. No hashtags.", max_output_tokens=400).text.strip()
    token = credentials.connection("linkedin", "main")
    headers = {"Authorization": f"Bearer {token}", "LinkedIn-Version": "202405", "X-Restli-Protocol-Version": "2.0.0"}
    me = http.get("https://api.linkedin.com/v2/userinfo", headers=headers).json()["sub"]
    resp = http.post("https://api.linkedin.com/rest/posts", headers=headers, json={
        "author": f"urn:li:person:{me}", "commentary": text, "visibility": "PUBLIC", "lifecycleState": "PUBLISHED",
        "distribution": {"feedDistribution": "MAIN_FEED", "targetEntities": [], "thirdPartyDistributionChannels": []}})
    resp.raise_for_status()
    msg = EmailMessage()
    msg["To"], msg["Subject"] = ME, f"Posted on LinkedIn: {TOPICS[i]}"
    msg.set_content(f"{text}\n\nhttps://www.linkedin.com/feed/update/{resp.headers['x-restli-id']}")
    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()
    state.set("next", i + 1)
    return {"posted": True, "topic": TOPICS[i]}