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openspec/changes/enterprise-react-crypto/proposal.md

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+# OpenSpec Change: enterprise-react-crypto
+
+- **Change ID**: enterprise-react-crypto
+- **Package**: `@suaveplan/react-crypto`
+- **Category**: react
+- **Target path**: `react/auth/react-crypto`
+- **Status**: PROPOSED
+- **Date**: 2026-04-24
+- **Reference spec**: `/mnt/s/web/suaveplan/enterprise/react-crypto.md`
+
+---
+
+## Summary
+
+Deliver `@suaveplan/react-crypto` on genesis from scratch at enterprise quality. Wallet UI for EVM chains: `WalletConnect`, `AddressDisplay`, `BalanceDisplay`, `TransactionList`, and `useWallet` hook — fully implemented (no stub `0x000...` address, no README-vs-reality gaps). Integrates with `@suaveplan/crypto` for signing and `@suaveplan/crypto-browser` for WebCrypto operations. `useWallet` fully implements MetaMask/WalletConnect via injected provider interface, `autoConnect`, `switchNetwork`, `sendTransaction`, `signMessage`.
+
+---
+
+## Current-state audit (genesis)
+
+Package does not exist on genesis — fresh build.
+
+---
+
+## Available workspace deps on genesis
+
+| Package | Role |
+|---|---|
+| `@suaveplan/error` (`workspace:^`) | `WalletError` |
+| `@suaveplan/crypto` (`workspace:^`) | Signing utilities |
+| `@suaveplan/crypto-browser` (`workspace:^`) | WebCrypto adapters |
+| `@suaveplan/react-translate` (`workspace:^`) | i18n |
+| `zod` (`catalog:forms`) | Network/transaction schemas |
+| `@opentelemetry/api` (`catalog:observability`) | `wallet.connect` / `wallet.sign` spans |
+
+External: `tslib catalog:build`. React 18 peer.
+
+---
+
+## Public API surface
+
+```ts
+WalletConnect, AddressDisplay, BalanceDisplay, TransactionList
+useWallet
+
+explorerUrl, formatAddress, formatBalance, isValidEvmAddress, networkDisplayName
+
+// Types
+Network, TokenBalance, Transaction, TransactionDirection, TransactionStatus,
+WalletInfo, WalletStatus
+```
+
+---
+
+## New additions for genesis
+
+1. **Full `useWallet` implementation** — injected `WalletProvider` interface (MetaMask/WalletConnect adapters); `connect()`, `disconnect()`, `autoConnect`, `switchNetwork(chainId)`, `sendTransaction(tx)`, `signMessage(msg)`. No stubs.
+2. **`WalletError`** — codes: `WALLET_CONNECT_FAILED`, `WALLET_NOT_CONNECTED`, `WALLET_SIGN_FAILED`, `WALLET_NETWORK_ERROR`.
+3. **OTel spans** — `wallet.connect`, `wallet.sign`, `wallet.send_transaction`.
+4. **Stories** — connected, disconnected, loading, wrong-network, playground.
+5. **Playwright E2E** — injected mock provider; connect → address shown; signMessage → tx hash shown.
+
+---
+
+## File layout
+
+```text
+react/auth/react-crypto/
+  package.json
+  tsconfig.json
+  vitest.config.ts
+  src/
+    index.ts
+    hooks/
+      use-wallet/ (ts + types + md + test + stories + index)
+    components/
+      wallet-connect/ address-display/ balance-display/ transaction-list/
+    providers/
+      wallet-provider/ (ts + types + md + test + index)
+    utils/
+      evm-utils/ (ts + md + test + index)
+    types/
+      crypto.types.ts
+  e2e/
+    wallet.spec.ts
+```

openspec/changes/enterprise-react-crypto/tasks.md

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+# Tasks: enterprise-react-crypto
+
+**Change ID**: enterprise-react-crypto
+**Package**: `@suaveplan/react-crypto`
+**Target path**: `react/auth/react-crypto`
+**Prerequisite packages on Verdaccio**: `@suaveplan/error`, `@suaveplan/crypto`, `@suaveplan/crypto-browser`, `@suaveplan/react-translate`
+
+---
+
+## 0. Pre-flight (non-negotiable)
+
+- [ ] 0.1 Confirm clean working tree (`git status` reports nothing) and no in-flight worktrees with uncommitted work (`git worktree list` then `git status` in each)
+- [ ] 0.2 If any worktrees exist under `.claude/worktrees/`, account for each one: still-active agent, work-pending-merge, or stale-and-prune. Stale worktrees MUST be removed (`git worktree remove`) before opening a new one — code that has been lost twice on main is the failure mode this guards against.
+- [ ] 0.3 Confirm the package set in `MANIFEST.md` matches `find packages -maxdepth 3 -name package.json` count. Drift here means a prior change archived without regenerating the manifest.
+
+## 1. Scaffold
+
+- [ ] Create directory tree per proposal layout.
+- [ ] Write `package.json` at `0.1.0` with `"sideEffects": false`, exports map.
+- [ ] Dependencies: `@suaveplan/error workspace:^`, `@suaveplan/crypto workspace:^`, `@suaveplan/crypto-browser workspace:^`, `@suaveplan/react-translate workspace:^`, `zod catalog:forms`, `@opentelemetry/api catalog:observability`, `tslib catalog:build`.
+- [ ] Write `tsconfig.json`, `vitest.config.ts`, scripts.
+
+---
+
+## 2. Error codes and types
+
+- [ ] Define `WalletError` extending `SuaveplanError`; codes: `WALLET_CONNECT_FAILED`, `WALLET_NOT_CONNECTED`, `WALLET_SIGN_FAILED`, `WALLET_NETWORK_ERROR`.
+- [ ] Define `WalletProvider` interface (injectable): `connect()`, `disconnect()`, `getAddress()`, `getBalance()`, `getNetwork()`, `switchNetwork(chainId)`, `sendTransaction(tx)`, `signMessage(msg)`.
+- [ ] Define `Network`, `TokenBalance`, `Transaction`, `TransactionDirection`, `TransactionStatus`, `WalletInfo`, `WalletStatus`.
+- [ ] Write Zod schemas for `Network`, `Transaction`.
+
+---
+
+## 3. WalletProvider adapters
+
+- [ ] `MetaMaskAdapter` — wraps `window.ethereum` EIP-1193 provider.
+- [ ] `WalletConnectAdapter` — wraps injected `WalletConnectProvider`.
+- [ ] Both implement `WalletProvider` interface.
+- [ ] Write tests using DI (inject mock `window.ethereum`) + md.
+
+---
+
+## 4. EVM utils
+
+- [ ] `explorerUrl(network, txHash)`, `formatAddress(addr, length?)`, `formatBalance(wei, decimals?)`, `isValidEvmAddress(addr): boolean`, `networkDisplayName(chainId): string`.
+- [ ] Write `evm-utils.test.ts` (all functions, edge cases) + md.
+
+---
+
+## 5. Hook — `useWallet`
+
+- [ ] Accepts `provider: WalletProvider` + `autoConnect?: boolean`.
+- [ ] State: `address`, `balance`, `network`, `status: WalletStatus`, `transactions`.
+- [ ] `connect()` — calls `provider.connect()`; throws `WalletError(WALLET_CONNECT_FAILED)` on failure. OTel `wallet.connect` span.
+- [ ] `disconnect()` — calls `provider.disconnect()`.
+- [ ] `switchNetwork(chainId)` — calls `provider.switchNetwork()`; throws `WalletError(WALLET_NETWORK_ERROR)` on failure.
+- [ ] `sendTransaction(tx)` — throws `WalletError(WALLET_NOT_CONNECTED)` if not connected. OTel `wallet.send_transaction` span.
+- [ ] `signMessage(msg)` — throws `WalletError(WALLET_SIGN_FAILED)` on error. OTel `wallet.sign` span.
+- [ ] Write `use-wallet.test.ts` (≤500 lines): connect, disconnect, autoConnect, switchNetwork, sendTransaction, signMessage, all error cases. DI injected mock `WalletProvider`. `{ timeout: 10000 }`.
+- [ ] Write `use-wallet.stories.tsx`: connected, disconnected, loading, wrong-network, playground.
+- [ ] Write `use-wallet.md`.
+
+---
+
+## 6. Components
+
+### WalletConnect
+
+- [ ] Connect/disconnect button; shows address when connected.
+- [ ] Write test, stories, md.
+
+### AddressDisplay
+
+- [ ] Shortened address with copy-to-clipboard. Write test, stories, md.
+
+### BalanceDisplay
+
+- [ ] Token balance with symbol. Write test, stories, md.
+
+### TransactionList
+
+- [ ] Paginated list of `Transaction` items with status badges, explorer links. Write test, stories, md.
+
+---
+
+## 7. E2E
+
+- [ ] `e2e/wallet.spec.ts` — Playwright with injected mock provider:
+  - Click "Connect" → address displayed.
+  - Call `signMessage('hello')` → mock returns signature, displayed.
+
+---
+
+## 8. Verify and publish
+
+- [ ] `bunx turbo lint typecheck test --filter=@suaveplan/react-crypto` — green.
+- [ ] `bunx turbo test:coverage --filter=@suaveplan/react-crypto` — 100%.
+- [ ] `bun scripts/publish.ts --package @suaveplan/react-crypto`.
+- [ ] Archive change folder.