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

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

docs/specs/frontend/action-ui.md

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+# Action Layer UI Specification
+
+## Overview
+
+UI specifications for swap, bridge, and wallet interaction interfaces.
+
+## Swap Interface
+
+### Components
+
+- Token selector (from/to)
+- Amount input
+- Swap quote display
+- Slippage settings
+- Gas estimate
+- Execute button
+
+### Flow
+
+1. Select tokens
+2. Enter amount
+3. Display quote
+4. Adjust slippage (optional)
+5. Connect wallet
+6. Approve token (if needed)
+7. Execute swap
+8. Show transaction status
+
+## Bridge Interface
+
+### Components
+
+- Chain selector (from/to)
+- Token selector
+- Amount input
+- Bridge quote display
+- Estimated time
+- Execute button
+
+### Flow
+
+Similar to swap with chain selection
+
+## Wallet Connection UI
+
+### Connection Options
+
+- WalletConnect
+- Browser extension (MetaMask, etc.)
+- Hardware wallet
+- Embedded wallet
+
+### UI Elements
+
+- Connection modal
+- Wallet list
+- Connection status
+- Disconnect option
+
+## Transaction Confirmation Flows
+
+### Confirmation Steps
+
+1. Review transaction details
+2. Show risk warnings (if any)
+3. Gas fee display
+4. Final confirmation
+5. Transaction pending
+6. Success/failure status
+
+## Portfolio View
+
+### Components
+
+- Total portfolio value
+- Token list with balances
+- Value breakdown
+- Transaction history
+- Quick actions (swap, bridge, send)
+
+## References
+
+- Frontend Architecture: See `frontend-architecture.md`
+- Swap Engine: See `../actions/swap-engine.md`
+- Bridge Engine: See `../actions/bridge-engine.md`
+