Replace ZeroDev with Circle Programmable Wallets on ARC-TESTNET#5
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- payment.js: full rewrite using @circle-fin/developer-controlled-wallets. createTransaction submits USDC transfer; polls getTransaction until CONFIRMED to return the blockchain txHash. No private key management. - server.js: x402 proof verification now uses Circle listTransactions API instead of viem/Base Sepolia RPC - index.js: startup env check updated to Circle vars, removed ZeroDev vars - .env.example: remove ZeroDev vars, add CIRCLE_* and USDC_TOKEN_ADDRESS - README: update payment section and features to reflect Circle migration Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
AaronUppal-AI
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wd7zfpysvs-ui
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This was referenced May 23, 2026
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