Get a lessons-learned write-up when an epic is done

import json
from clickruntime import on_trigger, credentials, http, ai, state, notify, report_fetched

JIRA = "https://api.atlassian.com/ex/jira/your-cloud-id"

def jira(method, path, **kw):
    resp = http.request(method, JIRA + path, headers={
        "Authorization": f"Bearer {credentials.connection('jira', 'work')}", "Accept": "application/json"}, **kw)
    resp.raise_for_status()
    return resp.json() if resp.content else None

def search(jql, fields, limit=100):
    return jira("POST", "/rest/api/3/search/jql", json={"jql": jql, "fields": fields, "maxResults": limit})["issues"]


@on_trigger
def run(event):
    epics = search("project = ABC AND issuetype = Epic AND status changed to Done AFTER -7d", ["summary"], 20)
    done = set(state.get("done") or [])
    new = [e for e in epics if e["key"] not in done]
    report_fetched(len(new))
    if not new:
        return {"reports": 0}
    for epic in new:
        children = search(f"parent = {epic['key']}", ["summary", "status", "created", "resolutiondate", "comment"], 100)
        lines = []
        for c in children:
            comments = [json.dumps(cm["body"])[:300] for cm in c["fields"]["comment"]["comments"][-3:]]
            lines.append(f"{c['key']} {c['fields']['summary']} | {c['fields']['status']['name']} | "
                         f"{c['fields']['created'][:10]} → {(c['fields'].get('resolutiondate') or '')[:10]} | {' / '.join(comments)}")
        report = ai.generate("\n".join(lines)[:15000], max_output_tokens=600,
                             system="Write a blameless lessons-learned summary for this epic: what went well, what slipped and why.").text
        notify.email_me(f"Lessons learned: {epic['key']} {epic['fields']['summary']}", report)
        done.add(epic["key"])
    state.set("done", sorted(done))
    return {"reports": len(new)}