feat(mobile): Update pools list with pending state support

[rafamiziara]

Overview

Update PoolsListScreen and PoolCard to display pending pools and handle real-time updates.

Tasks

PoolCard Component Updates

• Create or update components/PoolCard.tsx
• Support pending state display (badge, loading indicator)
• Show pool parameters (name, loan amount, interest rate, duration)
• Handle click navigation to pool details
• Add "Syncing..." state for confirmed but unindexed pools

PoolsListScreen Updates

• Update screens/PoolsListScreen.tsx
• Integrate PoolManagementStore for pool data
• Show pending pools at top of list with "Pending" badge
• Add pull-to-refresh functionality
• Handle empty states and error states
• Show loading states during fetch

Acceptance Criteria

• Pending pools visible at top of list
• Clear visual distinction between pending and confirmed pools
• Pull-to-refresh updates pool list
• Proper handling of empty and error states
• Smooth transitions between states

Related Documentation

• See docs/POOL_CREATION_ARCHITECTURE.md Component Architecture
• See docs/POOL_CREATION_TASKS.md Tasks 15-16

Labels: comp: frontend, type: feature

Milestone: Sprint 3: Pool Creation

Part of Epic: #35