feat: Web3 & Decentralized Identity Integration (#8)

[saidai-bhuvanesh]

Description

This Pull Request implements PR #8: Web3 & Decentralized Identity Integration on the DevCard dashboard. It introduces 4 new components and fixes a compiler error in the public profiles route.

🛠️ Implemented Components

1. Web3WalletConnect: Dynamic connection panel supporting MetaMask, Phantom, Coinbase, and WalletConnect with ENS, network switching, and balances.
2. VerifiableCredentials: Cryptographic W3C DID proof visualizer showing JSON assertions.
3. NFTBadgeShowcase: Holographic badge grid with detailed contract specification modals.
4. DecentralizedReputation: Web3 Reputation gauge breaking down trust XP from on-chain transactions, DAO votes, PGP signatures, and sponsorships.

🐛 Bug Fixes

• Fixed unassigned variable compilation errors with copyMessageTimeout and copyTimeout in apps/web/src/routes/u/[username]/+page.svelte.

[saidai-bhuvanesh]

Applied a complete frontend architecture hardening pass including reusable visualization extraction, accessibility improvements, security-safe rendering updates, performance optimizations, duplicate rendering cleanup, and reusable analytics infrastructure stabilization.