Optimal first-payment test is ~1.5x the minimum

Optimal first-payment test is ~1.5x the minimum
First-payment test = the controlled spend used to verify a new network actually pays.
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Test at exactly minimum payout: high false-confidence, tiny sample
Test at ~1.5x minimum: clears withdrawal + leaves buffer ▏▏▏▏▏
Test above 3x minimum before first payout: exposure outruns evidence ▏▏▏▏▏▏▏▏
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Observed: 71% of non-payment events surface at or before the first withdrawal attempt (n=54).
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The first successful withdrawal removes most of the unknown risk per the default-timing data.
Read: size the first run to clear one clean payout, then re-underwrite the network.