"""Explicit per-classifier project thresholds; raw outputs remain unchanged."""
def limits(policy):
    legacy=policy['elevated_threshold']
    return policy.get('clip_elevated_threshold',legacy),policy.get('efficientnet_elevated_threshold',legacy)

def passes(score,policy):
    clip,efficientnet=limits(policy)
    return all(v['clip_nsfw']<clip and v['efficientnet_nsfw']<efficientnet for v in score['views'].values())

def decision(score,policy):
    if score['max_score']>=policy['positive_threshold']:return 'positive'
    return 'pass' if passes(score,policy) else 'elevated'

def accepted_signatures(policy):
    return {policy['policy_sha256'],*policy.get('accepted_prior_stricter_policy_sha256',[])}