eip681-link-generator-v2

security: Eliminate all remaining vulnerabilities with forced updates - Update vite: 5.4.19 → 6.3.5 (major version, breaking change) - Update vitest: 1.6.1 → 3.1.4 (major version, breaking change) - Update @vitest/coverage-v8: 1.6.1 → 3.1.4 (major version) - RESULT: 0 vulnerabilities (down from 5 moderate) - All tests passing, build working correctly ✅🔒

feat: Implement checksummed addresses in EIP-681 URLs - Add toChecksumAddress helper function using viem's getAddress - Update all URL generation functions to use checksummed addresses - Ensure EIP-55 compliance for all addresses in generated links - Update tests to expect proper checksummed addresses - Improve security by preventing address-related typos ✅

security: Update viem to v2.30.5 and fix compatibility - Update viem from v1.21.4 to v2.30.5 to address high-severity ws DoS vulnerability - Fix address validation compatibility with viem 2.x stricter checksum requirements - Update smaller dependencies (react-hook-form, zod) - Reduced vulnerabilities from 7 (2 high + 5 moderate) to 5 moderate - All tests passing with 100% compatibility ✅