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CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+## [0.1.0] - 2024-01-01
+
+### Added
+
+#### Chain Package (`@dbis-thirdweb/chain`)
+- Chain 138 canonical definition (ChainID 138, CAIP-2: eip155:138)
+- RPC endpoint configuration
+- Native currency metadata
+- Type-safe chain exports
+
+#### Wallets Package (`@dbis-thirdweb/wallets`)
+- Wallet configuration defaults for Chain 138
+- Gas strategy configuration
+- RPC failover support
+- Chain switching utilities (`switchToChain138`, `ensureChain138`)
+- Automatic chain addition if missing
+
+#### x402 Package (`@dbis-thirdweb/x402`)
+- Payment request creation and validation
+- Pay-to-access flow implementation
+- Replay protection via request ID tracking
+- Receipt verification on-chain
+- Expiration handling
+
+#### Bridge Package (`@dbis-thirdweb/bridge`)
+- Canonical chain mapping for Chain 138
+- Supported routes configuration
+- Token lists (native, wrapped, stablecoins)
+- Quote generation with slippage protection
+- Bridge execution helpers
+- Status tracking and finality checks
+
+#### Tokens Package (`@dbis-thirdweb/tokens`)
+- ERC20 token deployment, minting, transfers
+- ERC721 NFT collection deployment and management
+- ERC1155 edition deployment and batch operations
+- Metadata hosting strategy (IPFS/thirdweb storage)
+- Token factory utilities
+
+#### AI Package (`@dbis-thirdweb/ai`)
+- Chain-aware prompt templates with Chain 138 guardrails
+- Read action templates (balance, block height, token info)
+- Write action templates (transfers, contract interactions)
+- Chain ID routing validation
+- Error handling for unsupported operations
+
+#### HTTP API Package (`@dbis-thirdweb/http-api`)
+- Standardized HTTP API client wrapper
+- Retry logic with exponential backoff
+- Configurable timeouts
+- Chain 138 base URL configuration
+- Type-safe request/response interfaces
+
+#### Smoke Tests (`apps/smoke-tests`)
+- End-to-end test suite for all 6 offerings
+- Wallet connection and transaction tests
+- x402 payment flow tests
+- Bridge quote and execution tests
+- Token deployment and transfer tests
+- AI read/write operation tests
+- HTTP API client tests
+- Unified test runner with Vitest
+
+### Infrastructure
+
+- pnpm monorepo workspace setup
+- TypeScript 5.x configuration
+- ESLint and Prettier configuration
+- tsup build system for all packages
+- Comprehensive documentation
+
+### Dependencies
+
+- @thirdweb-dev/sdk: ^4.0.0
+- @thirdweb-dev/chains: ^0.1.0
+- ethers: ^5.7.0
+- vitest: ^1.0.0 (for testing)
+
+---
+
+## Future Enhancements
+
+- [ ] Additional bridge providers integration
+- [ ] Enhanced metadata hosting options
+- [ ] More comprehensive test coverage
+- [ ] Performance optimizations
+- [ ] Additional token standards support
+- [ ] Extended AI prompt templates