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Independent Go module for the client SDK\n- \\`client/sonr/client.go\\` - Main client interface and configuration\n- \\`client/tx/builder.go\\` - Transaction building utilities \n- \\`client/tx/broadcaster.go\\` - Transaction broadcasting via gRPC/REST/RPC\n- \\`client/keys/keyring.go\\` - Key management and signing operations\n- \\`client/query/client.go\\` - Query client for all modules\n- \\`client/modules/did/client.go\\` - DID-specific transaction builders\n- \\`client/modules/dwn/client.go\\` - DWN-specific transaction builders \n- \\`client/modules/svc/client.go\\` - Service module transaction builders\n- \\`client/modules/ucan/client.go\\` - UCAN module transaction builders\n- \\`client/config/networks.go\\` - Mainnet/testnet configurations\n- \\`client/examples/\\` - Usage examples and CLI tools\n\n#### Integration Points \n- \\`x/did/types/\\` - DID transaction and query types\n- \\`x/dwn/types/\\` - DWN transaction and query types\n- \\`x/svc/types/\\` - Service transaction and query types \n- \\`x/ucan/types/\\` - UCAN transaction and query types\n- \\`api/\\` - Generated protobuf client stubs\n\n### Relevant Documentation\n\n- [Cosmos SDK Transaction Signing](https://docs.cosmos.network/main/learn/advanced/transactions#signing-transactions)\n- [Cosmos SDK gRPC and REST](https://docs.cosmos.network/main/learn/advanced/grpc_rest) \n- [Cosmos SDK Transaction Broadcasting](https://docs.cosmos.network/main/user/run-node/txs)\n- [Cosmos SDK Node Interaction](https://docs.cosmos.network/main/user/run-node/interact-node)\n\n## Acceptance Criteria\n\n- [ ] **Transaction Building**: Create transaction builders for all module types (MsgRegisterDID, MsgCreateRecord, etc.)\n- [ ] **Key Management**: Implement keyring interface with mnemonic generation, import/export, and signing\n- [ ] **Broadcasting Methods**: Support transaction broadcasting via gRPC, REST, and Tendermint RPC endpoints \n- [ ] **Query Interface**: Implement query clients for all custom modules with pagination support\n- [ ] **Network Configuration**: Provide pre-configured mainnet and testnet endpoint settings\n- [ ] **Fee Estimation**: Include gas estimation and fee calculation utilities\n- [ ] **Error Handling**: Comprehensive error types and retry logic for network failures\n- [ ] **WebAuthn Integration**: Support gasless WebAuthn registration transactions\n- [ ] **Examples**: CLI examples demonstrating common operations (create DID, manage records, etc.)\n- [ ] **Unit Tests**: Test coverage > 90% for all client components\n- [ ] **Integration Tests**: End-to-end tests against local testnet for transaction flows\n- [ ] **Documentation**: API docs, integration guides, and migration examples\n- [ ] **Independent Module**: Separate go.mod with semantic versioning for client SDK\")", "Bash(--title \"feat: implement WebAuthn CLI registration with gasless transactions\" )", "Bash(--assignee prnk28 )", "Bash(--label \"feature\" )", "Bash(--label \"breaking\" )", "Bash(--body \"## Summary\n\nImplements hybrid CLI + browser WebAuthn registration with gasless transaction support. This comprehensive implementation includes CLI orchestration, browser integration, server infrastructure, and a novel gasless transaction architecture that allows users to create their first decentralized identity without requiring existing tokens.\n\nFixes #160\n\n## ๐Ÿš€ Key Features Implemented\n\n### WebAuthn CLI Registration Flow\n- **Hybrid Architecture**: CLI spawns local HTTP server, launches browser for WebAuthn ceremony\n- **Channel Synchronization**: Go channel coordination between CLI and server components \n- **Timeout Protection**: 10-second CLI timeout with 15-second server failsafe\n- **Cross-platform**: Browser opening support across operating systems\n\n### Gasless Transaction Architecture\n- **Custom AnteDecorators**: WebAuthn-specific transaction identification and validation\n- **Fee Waiving Logic**: Conditional fee bypass for qualifying WebAuthn registration transactions\n- **Security Validation**: Cryptographic credential validation to prevent abuse\n- **Anti-Replay Protection**: Credential ID uniqueness checking prevents reuse attacks\n\n### Enhanced Protobuf Schemas\n- **WebAuthn Credential Types**: Comprehensive W3C-compliant credential structures\n- **Transaction Messages**: Dedicated \\`MsgRegisterWebAuthnCredential\\` for WebAuthn registration\n- **Query Methods**: \\`GetWebAuthnCredentials\\` and \\`ListWebAuthnCredentials\\` with pagination\n- **Configuration Parameters**: WebAuthn timeout, origins, algorithms, RP settings\n\n## ๐Ÿ”ง Implementation Details\n\n### Core Components\n- \\`app/commands/auth_register.go\\` - CLI orchestration with server lifecycle management\n- \\`app/server/handlers.go\\` - WebAuthn HTTP handlers with embedded HTML templates\n- \\`app/ante/webauthn_decorator.go\\` - Gasless transaction AnteDecorator implementation\n- \\`x/did/types/webauthn.go\\` - WebAuthn credential validation as struct methods\n\n### Security Architecture\n**Gasless Transaction Eligibility:**\n1. Single \\`MsgRegisterWebAuthnCredential\\` message only\n2. Full cryptographic credential validation (ES256/RS256)\n3. Global credential ID uniqueness enforcement\n4. Account existence verification with auto-creation\n5. WebAuthn inherent anti-abuse properties (user presence, device binding)\n\n### Breaking Changes\n- **Protobuf Schema Updates**: Enhanced WebAuthn credential types in \\`proto/did/v1/\\`\n- **New Transaction Types**: \\`MsgRegisterWebAuthnCredential\\` message type\n- **Ante Handler Chain**: Modified transaction processing flow for gasless support\n\n## ๐Ÿงช Testing Status\n\n### โœ… Completed Implementation\n- [x] CLI-to-browser WebAuthn workflow with timeout handling\n- [x] Server infrastructure with embedded HTML templates and JavaScript\n- [x] Gasless transaction architecture with security validation\n- [x] Enhanced protobuf schemas with comprehensive WebAuthn support\n- [x] Base64url encoding compliance (RFC 4648 Section 5)\n- [x] Cross-platform browser integration\n- [x] Channel-based CLI/server synchronization\n\n### ๐Ÿ”„ Pending Implementation Tasks\n\nBased on PLAN.md analysis, the following tasks remain for full completion:\n\n#### Final Integration (15% remaining)\n- [ ] \\`x/did/keeper/msg_server.go\\` - Complete RegisterWebAuthnCredential RPC handler implementation\n- [ ] \\`x/did/keeper/query_server.go\\` - Complete GetWebAuthnCredentials and ListWebAuthnCredentials handlers\n- [ ] \\`app/server/handlers.go\\` - Bridge server handlers to existing keeper WebAuthn methods\n- [ ] \\`x/dwn/keeper/keeper.go\\` - Auto-vault creation integration for WebAuthn registration\n\n#### Comprehensive Testing Suite\n- [ ] Server infrastructure extension tests\n- [ ] CLI orchestration and lifecycle tests \n- [ ] WebAuthn challenge generation and validation tests\n- [ ] Browser-server communication API tests\n- [ ] Gasless transaction flow integration tests\n- [ ] Security validation and anti-abuse tests\n- [ ] Cross-platform browser opening tests\n- [ ] Error handling and timeout scenario tests\n- [ ] End-to-end WebAuthn ceremony simulation\n\n#### Production Readiness\n- [ ] CSRF protection for WebAuthn endpoints\n- [ ] Rate limiting for registration attempts\n- [ ] Enhanced origin validation for production deployment\n- [ ] Performance optimization and load testing\n\n## ๐Ÿ—๏ธ Architecture Impact\n\nThis implementation introduces a novel **gasless onboarding mechanism** that removes the traditional Web3 barrier of requiring existing tokens to interact with the blockchain. Users can now:\n\n1. Run \\`snrd auth register --username \\`\n2. Complete WebAuthn ceremony in their browser\n3. Automatically receive their first DID document and vault\n4. Begin using the Sonr ecosystem without prior token ownership\n\nThe gasless transaction architecture is designed with robust security measures and can serve as a foundation for other user-friendly onboarding mechanisms.\n\n## ๐Ÿ“š References\n\n- [Issue #160: Implement CLI-based WebAuthn registration](https://github.com/sonr-io/sonr/issues/160)\n- [WebAuthn Specification (W3C)](https://www.w3.org/TR/webauthn/)\n- [Cosmos SDK Transaction Processing](https://docs.cosmos.network/main/learn/advanced/transactions)\n- [RFC 4648 Section 5: Base64url Encoding](https://tools.ietf.org/html/rfc4648#section-5)\")", "WebFetch(domain:pkg.go.dev)", "mcp__filesystem__directory_tree", "mcp__filesystem__list_directory", "Bash(npx wrangler kv key get:*)", "mcp__cclsp__restart_server", "mcp__deep-graph__folder-tree-structure", "mcp__deep-graph__get-code", "mcp__deep-graph__nodes-semantic-search", "mcp__deep-graph__find-direct-connections", "mcp__openmemory__add-memory", "Bash(CI=true go test -v ./internal/bridge/tasks/... -timeout 15s)", "Bash(snrd auth:*)", "Bash(snrd query did:*)", "Bash(snrd keys:*)", "Bash(snrd tx bank send:*)", "Bash(snrd query:*)", "Bash(snrd tx did:*)", "Bash(snrd status:*)", "Bash(snrd tx broadcast:*)", "Bash(--username \"testuser\" )", "Bash(--auto-create-vault )", "Bash(--webauthn-credential '{\n \"\"credential_id\"\": \"\"test_credential_123\"\",\n \"\"public_key\"\": \"\"BEKGAqB8CRk-Z4V-SvtZ5q8DCJYRoJQbAKA_FJhYCWQF7zGUpMRLlEv6-Ap1Zm98Rr-h0mGBzs6TLaLdJQA\"\",\n \"\"attestation_type\"\": \"\"packed\"\",\n \"\"authenticator_data\"\": \"\"dKbqkhPJnC90siSSeSyVIa7BwVu4biAddrVC3ZelgdGFAAAACA\"\",\n \"\"client_data_json\"\": \"\"eyJ0eXBlIjoid2ViYXV0aG4uY3JlYXRlIiwiY2hhbGxlbmdlIjoiVGVzdENoYWxsZW5nZSIsIm9yaWdpbiI6Imh0dHA6Ly9sb2NhbGhvc3Q6ODA4MCIsImNyb3NzT3JpZ2luIjpmYWxzZX0\"\",\n \"\"signature\"\": \"\"MEUCIQCqS_O-X2MjKKUB_r3-_7N5z6IbY4bZ2S7MjF8KHT7JRQIBS0q6j0pQ4OGk5aG7R4g4Aa1e8L5l0ZxJQWZoNFxBNgM\"\",\n \"\"user_present\"\": true,\n \"\"user_verified\"\": true\n }' )", "Bash(--generate-only )", "Bash(--chain-id localchain_9000-1)", "Bash(npm:*)", "Bash(npx:*)", "mcp__memory__search_nodes", "mcp__memory__read_graph", "mcp__memory__open_nodes", "mcp__memory__create_entities", "mcp__memory__create_relations", "mcp__memory__delete_entities", "mcp__memory__delete_relations", "mcp__memory__delete_observations", "mcp__memory__add_observations", "Bash(pkill:*)", "Bash(true)", "Bash(kubectl get:*)", "Bash(kubectl logs:*)", "Bash(kubectl describe:*)", "Bash(kubectl exec:*)", "Bash(kubectl wait:*)", "Bash(snrd genesis:*)", "Bash(snrd start:*)", "Bash(snrd init:*)", "Bash(pnpm install:*)", "Bash(pnpm ls:*)", "Bash(biome check:*)", "Bash(biome migrate:*)", "Bash(pnpm build:*)", "Bash(pnpm add:*)", "Bash(pnpm changeset:*)", "Bash(gh milestone list:*)", "Bash(docker ps:*)", "Bash(CHAIN_ID=\"sonrtest_1-1\" BLOCK_TIME=\"1000ms\" CLEAN=false FORCE_DOCKER=true DOCKER_DETACHED=true bash scripts/test_node.sh)", "Bash(touch:*)", "mcp__filesystem__list_allowed_directories", "Bash(export FORCE_DOCKER=false)", "Bash(go tool cover:*)", "Bash(pnpm exec tsc:*)", "Bash(pnpm lint:*)", "Bash(pnpm check:*)", "Bash(pnpm format:*)", "Bash(pnpm --filter @sonr.io/ui run check --write)", "Bash(pnpm --filter @sonr.io/ui lint)", "Bash(pnpm --filter @sonr.io/ui install)", "Bash(pnpm --filter @sonr.io/ui build)", "Bash(pnpm --filter @sonr.io/ui check)", "Bash(FORCE_DOCKER=false make localnet)", "Bash(gh:*)", "mcp__memory__aim_create_entities", "mcp__memory__aim_search_nodes", "mcp__memory__aim_create_relations", "Bash(CHAIN_ID=\"sonrtest_1-1\" BLOCK_TIME=\"1000ms\" CLEAN=true FORCE_DOCKER=false bash scripts/test_node.sh)", "mcp__memory__aim_add_observations", "Bash(pnpm exec biome check:*)", "Bash(pnpm --filter @sonr.io/auth lint)", "Bash(pnpm biome lint:*)", "Bash(docker compose:*)", "mcp__shadcn__list_components", "mcp__shadcn__list_blocks", "mcp__shadcn__get_component", "Bash(pnpm:*)", "Bash(./scripts/cli-docgen.sh:*)", "Bash(PATH:*)", "mcp__magic__21st_magic_component_builder", "Bash(snrd:*)", "mcp__shadcn__get_block", "Bash(buf dep update:*)", "WebSearch", "Bash(tree:*)", "Bash(cargo test:*)", "Bash(devbox run:*)", "Bash(process-compose:*)", "Bash(devbox services:*)", "Bash(bun tsc:*)" ], "deny": [] }, "enableAllProjectMcpServers": true }