Web trade trade panel default render

[CAESARIAN-ATHENS]

TradePanel Test Suite Summary

Overview

Successfully implemented comprehensive test suite for the TradePanel component.

File: apps/web/src/features/trade/components/trade-panel/TradePanel.test.tsx

Status: ✅ All 8 tests passing

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Test Coverage

Test	Verification
Side selector tabs	Renders Long, Short, Swap tabs via getByRole("tab")
Order mode buttons	Renders Market, Limit, Trigger buttons
Collateral input	Displays "Collateral" label and placeholder="0.00" input
Leverage slider	Shows "Leverage" label and current value badge (e.g., 10×)
Submit button label	Button text includes trade type + token symbol (e.g., "Long TWBTC")
Disabled when disconnected	Button is disabled when walletStore.status === "disconnected"
Enabled with wallet + balance	Button becomes enabled when connected, has balance, and fromAmount > 0
Market label for positions	Shows "Market" label (not "Receive") for non-swap trades

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Key Implementation Challenges Solved

Challenge	Solution
Contract initialization error	Mocked @/lib/contracts to prevent SyntheticsReaderClient constructor from crashing due to zero-address strkey decode failure
React Query dependencies	Added QueryClientProvider wrapper via test helper to satisfy @tanstack/react-query requirements
ConfirmationDialog crash	Added missing sidecarOrders property to mock trade controller to prevent sidecarOrders.length runtime error

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Overall Test Results

✅ 79 tests passing
❌ 0 tests failing
📊 Suite-wide: All passing

--- closes #225

Test suite ensures robust UI behavior and edge case handling for the trade panel component.

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