def explore_key(seed_concept):
    """
    Exploratory module: key
    Generated under EXPLORATORY mode — high creativity.
    Novel pattern synthesis from concept: abstract_9_concept_3
    """
    variants = []
    base = str(seed_concept)
    variants.append({"variant": 0, "pattern": base})
    variants.append({"variant": 1, "pattern": base[::-1]})
    variants.append({"variant": 2, "pattern": base.upper()})
    return {"exploration": "key", "variants": variants}