Function record_key

examples/skills/data-collector/patterns.py:77–79

(rec: dict, fields: list[str])

# --- 4. dedup / entity key
def record_key(rec: dict, fields: list[str]) -> str:
    raw = "|".join(str(rec.get(f, "")).strip().lower() for f in fields)
    return hashlib.sha256(raw.encode()).hexdigest()[:16]


# --- 5. durable incremental store (SQLite upsert; idempotent re-runs)