fix: SSE ticket exchange + on-chain payment verification#125

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rz1989s merged 2 commits intomainfrom

fix/remaining-audit-issues

Apr 9, 2026

Commits on Apr 9, 2026

fix: implement SSE ticket exchange to prevent JWT exposure in URLs (closes #101)
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fix: add on-chain transaction verification for payment link confirmation (closes #120)
rz1989s
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