Catch visual changes on your key pages every day

from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_trigger, credentials, http, ai, state, log

SHEET_ID = "your-spreadsheet-id"
LINEAR_TEAM_ID = "your-team-id"
SHOT_API = "https://api.screenshot-service.example/v1/compare"

@on_trigger
def run(event):
    sheets = build("sheets", "v4", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)
    urls = [r[0] for r in sheets.spreadsheets().values().get(spreadsheetId=SHEET_ID, range="Pages!A2:A")
            .execute().get("values", []) if r]
    open_issues = state.get("open") or {}
    created = 0
    for url in urls:
        if url in open_issues:
            continue
        diff = http.post(SHOT_API, json={"url": url}, headers={"Authorization": credentials.secret("SCREENSHOT_API_KEY")}).json()
        try:
            verdict = ai.generate(f"Visual differences found on {url}:\n{diff.get('summary', '')[:1500]}\n"
                                  "Ignore dates, counters and rotating images. Reply 'none' or one sentence on what broke.",
                                  max_output_tokens=80).text.strip()
        except ai.AIError as e:
            log.warning("AI unavailable", {"code": e.code})
            break
        if verdict.lower().startswith("none"):
            continue
        http.post("https://api.linear.app/graphql", headers={"Authorization": credentials.secret("LINEAR_API_KEY")},
                  json={"query": "mutation($i:IssueCreateInput!){issueCreate(input:$i){success}}",
                        "variables": {"i": {"teamId": LINEAR_TEAM_ID, "title": f"Visual change on {url}", "description": verdict}}})
        open_issues[url] = True
        created += 1
    state.set("open", open_issues)
    return {"checked": len(urls), "issues": created}