Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/specs/frontend/explorer-ui.md

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+# Explorer UI Structure Specification
+
+## Overview
+
+UI structure for blockchain explorer pages.
+
+## Page Layouts
+
+### Home/Dashboard
+
+**Components**:
+- Network stats (TPS, block height, gas price)
+- Recent blocks
+- Recent transactions
+- Search bar
+
+### Block Detail Page
+
+**Sections**:
+- Block header (number, hash, timestamp, miner)
+- Block stats (gas used, transaction count)
+- Transaction list
+- Raw data (optional)
+
+### Transaction Detail Page
+
+**Sections**:
+- Transaction header (hash, status, block)
+- Transaction details (from, to, value, gas)
+- Receipt information
+- Logs
+- Traces (if available)
+- Internal transactions
+
+### Address Detail Page
+
+**Sections**:
+- Address header (address, label, tags)
+- Balance information
+- Transaction list (sent/received/all)
+- Token holdings
+- NFT holdings (if applicable)
+
+### Token Detail Page
+
+**Sections**:
+- Token information (name, symbol, supply)
+- Price and market data
+- Holders list
+- Transfer history
+- Token contract (if verified)
+
+### Contract Detail Page
+
+**Sections**:
+- Contract address and name
+- Verification status
+- Source code (if verified)
+- ABI
+- Contract interactions
+- Read functions (if verified)
+
+## Data Tables
+
+### Table Features
+
+- Pagination
+- Sorting
+- Filtering
+- Export (CSV)
+- Column customization
+
+### Performance
+
+- Virtual scrolling for large lists
+- Lazy loading
+- Infinite scroll option
+
+## Filtering and Search UI
+
+### Search Bar
+
+- Global search
+- Autocomplete
+- Search suggestions
+- Recent searches
+
+### Filters
+
+- Chain selector
+- Date range
+- Transaction type
+- Status filters
+
+## Real-Time Update Integration
+
+**Method**: WebSocket subscriptions
+**Updates**: 
+- New blocks
+- New transactions
+- Balance updates
+- Status changes
+
+**UI**: Visual indicators for new data
+
+## Responsive Design
+
+**Breakpoints**:
+- Mobile: < 768px
+- Tablet: 768px - 1024px
+- Desktop: > 1024px
+
+**Adaptations**:
+- Stacked layouts on mobile
+- Collapsible sections
+- Mobile-optimized tables
+
+## References
+
+- Frontend Architecture: See `frontend-architecture.md`
+- Component Library: See `component-library.md`
+