feat: Connect Wallet button and Bid List for clients

[Uchechukwu-Ekezie]

Closes #102
Closes #132

What changed

#102 — Connect Wallet button component

• New components/wallet/connect-wallet-button.tsx using the existing useWalletSession hook
• States: loading skeleton, disconnected (with connect action), connected (truncated address + disconnect), connecting (spinner)
• Network mismatch warning badge (amber) when wallet network differs from app network
• Error message (red) on connection failure with ARIA live region
• Zinc-900 palette, Indigo-500 accents, 200ms transitions, rounded-full, WCAG 2.1 AA contrast
• Wired into TopNav alongside existing auth buttons

#132 — Bid List for clients

• New components/jobs/bid-list.tsx component
• Loading skeletons (3 animated placeholder cards)
• Empty state with clock icon and descriptive copy
• Error boundary fallback for fetch failures
• Per-bid status badges: Amber = pending, Emerald = accepted
• Expandable proposal text (collapsed to 2 lines, Read more toggle)
• Accept Bid button for client owner on open jobs with loading state and disabled-during-accept guard
• Accepted confirmation indicator replaces accept button
• Replaces the inline bid rendering in app/jobs/[id]/page.tsx

[drips-wave]

@Uchechukwu-Ekezie Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits