[AMDYFX]

Summary

Adds deterministic Playwright end-to-end tests for the VaultsScreen withdrawal workflow in bc-forge, covering withdrawal input validation, MAX shares selection, share redemption previews, and transaction confirmation.

Changes Made

• Withdrawal Input Validation: Verify that invalid, empty, zero, or excessive withdrawal amounts are handled appropriately.
• MAX Shares: Confirm that the MAX button selects the user's available share balance and updates the withdrawal interface correctly.
• Redemption Preview: Validate the estimated redemption amount before the user submits a withdrawal.
• Withdrawal Flow: Exercise the withdrawal workflow from wallet connection through transaction confirmation using deterministic mock wallet fixtures.
• Balance Updates: Verify that a successful withdrawal updates the displayed share balance and triggers a success toast.
• Error Handling: Cover disconnected wallets, RPC/network failures, and rejected transactions to ensure users receive helpful feedback without unhandled exceptions.
• Accessibility: Add automated accessibility checks for the withdrawal screen where supported by the existing Playwright and axe-core setup.

Testing

• Add or update react/e2e/vaults.spec.ts.
• Verify withdrawal amount validation and boundary cases.
• Verify MAX shares selection and redemption preview.
• Verify successful withdrawal, balance updates, and success notification.
• Verify disconnected wallet, network error, and rejected transaction states.
• Ensure tests are deterministic and do not depend on live wallet interactions or external RPC availability.
• Run npm run build --workspace @bc-forge/sdk.
• Run npm test --workspace @bc-forge/react.
• Run npm run build --workspace @bc-forge/react.
• Run the applicable Playwright E2E command.

Scope

Focus on withdrawal-related E2E coverage in react/e2e/vaults.spec.ts, following existing repository conventions and reusing available wallet fixtures, test utilities, and SDK integration patterns.

Closes #1258
Closes #1260
Closes #1261
Closes #1256

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