Implemented IDM Inbox step 1, including:

• Strict Vite + React + TypeScript + viem application
• Blockscout pagination, refresh, caching, rate-limit handling and Routescan fallback
• UTF-8 IDM decoding and safety filtering
• Thread, post, request and unread classification
• Responsive inbox and thread reader with ENS/address search
• Live dev-board fixture matching all required historical counts
• Offline unit, interaction and accessibility tests
• CSP, privacy footer, dark mode and keyboard accessibility
• Committed static export in dist/
• MIT license and 76-line README.md

Validation:

• npm run ci passed
• 17 tests passed
• Strict typecheck and production build passed
• Production assets: 128.71 KB gzip
• Submission files: approximately 931 KB
• Static asset URLs are relative
• Vercel interface-guideline review recorded in the README
• No real-browser screenshot/console inspection was available

Wallet sending, replies, pricing and tips remain for step 2 as specified by the staged assignment.

Implemented Step 2’s full read-only IDM Inbox UI and committed production export.

Highlights:

• Fixture-backed dev board with pinned Posts and 0x9073…1859 thread.
• Inbox/Requests tabs, unread states, relative timestamps and counts.
• Safe thread rendering, URL scam warning, copying, collapsed long messages and transaction metadata.
• ENS/address search with checksum validation and CCIP-read disabled.
• Follow management with 20-address limit and storage/privacy fallback.
• Visibility-aware 60-second refresh.
• Required loading, fallback, rate-limit, empty and error states.
• Responsive, accessible light/dark UI.
• <Composer/> placeholder for Step 3.
• Updated documentation and Vercel interface-guideline review record.

Validation:

• npm run ci passed.
• 24 tests across 8 files passed.
• Strict TypeScript and ESLint passed.
• Production build succeeded.
• Assets use relative paths.
• Gzip assets: 190.75 KB.
• Submission content excluding dependencies: approximately 1.2 MB.
• Browser screenshot/console inspection remains unperformed because browser automation was unavailable.

Implemented and validated IDM Inbox Step 3.

Key additions:

• EIP-6963 wallet discovery and injected-wallet fallback
• Mainnet enforcement for messages and tips
• UTF-8 message composer with 8,192-byte limit
• Fee estimation, contract/smart-account warnings, and lookalike protection
• Persistent Pending/Sent/dropped transaction tracking
• Chainlink/Blockscout ETH pricing and six tip options
• Focus-trapped high-value tip confirmation
• Responsive wallet and tip interfaces
• Updated committed production export and documentation

Validation:

• npm ci passed
• npm run ci passed
• 28 tests across 9 files passed
• Strict TypeScript and ESLint passed
• Production gzip size: 195.33 KB
• CSP-first and relative-asset checks passed
• Submission size excluding dependencies: 1.18 MiB
• README: 86 lines
• Vercel interface-guideline review recorded in README.md

The remaining documented limitation is that real browser-extension wallet dialogs and visual checks at physical mobile/desktop widths were not available in this environment.