Find promo codes for a shop from Telegram

from datetime import date
from clickruntime import on_event, credentials, http, ai

@on_event
def handle(event):
    msg = (event.json or {}).get("message") or {}
    shop = msg.get("text", "").strip()
    if not shop:
        return {"ignored": True}
    q = f"{shop} promo code {date.today():%B %Y}"
    results = http.get("https://serpapi.com/search", params={"engine": "google", "q": q, "num": 10,
                                                             "api_key": credentials.secret("SERPAPI_API_KEY")}).json().get("organic_results", [])
    snippets = "\n".join(f"- {r['title']}: {r.get('snippet', '')}" for r in results)
    schema = {"type": "object", "properties": {"codes": {"type": "array", "items": {"type": "object",
              "properties": {"code": {"type": "string"}, "offer": {"type": "string"}}, "required": ["code", "offer"]}}}, "required": ["codes"]}
    codes = ai.generate(f"Extract promo codes for {shop} from these results. Only real codes.\n{snippets}", json_schema=schema, max_output_tokens=300).json["codes"]
    reply = "\n".join(f"{c['code']} - {c['offer']}" for c in codes) if codes else f"No current codes found for {shop}."
    http.post(f"https://api.telegram.org/bot{credentials.secret('TELEGRAM_BOT_TOKEN')}/sendMessage", json={"chat_id": msg["chat"]["id"], "text": reply})
    return {"shop": shop, "codes": len(codes)}