Add proof-of-work challenge primitives#5

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feat-challenge-pow

Commits on Jul 3, 2026

WAF challenge: drop proof-of-work/captcha branding

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Add Challenge\Scoring: bot-detection signal schema + scoring engine

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Add Challenge\Scoring\TlsFingerprint: JA4 -> TLS_MISMATCH classifier

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Add Challenge\Scoring\ClientSignals: normalize interstitial telemetry

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Scoring: ATTACK_SCORE signal + deny-floor (unify WAF attack detection)

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Add ML scoring engine and memory-hard proof of work

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Harden memory-hard difficulty scaling and the interaction ceiling

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Add interactive (slider) challenge — an unforgeable humanity gate

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Commits on Jul 4, 2026

Commits on Jul 9, 2026