feat: dedupe logic across deposit/withdraw

[0xeye]

Reduce duplicated logic, pull out into shared components / hooks.

Fixes transports failure where it will continually ping bad rpc.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
yearnfi	Ready	Preview, Comment	Mar 20, 2026 2:21pm

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

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[rossgalloway]

Two issues surfaced while reviewing this branch:

1. src/config/wagmi.ts: enabling ranking across the added public RPC pool can let a faster public endpoint outrank a configured VITE_RPC_URI_FOR_<chain> override. In fork, Tenderly, or other custom-RPC setups that means reads can silently fall back to live chain state even while the override is healthy.
2. src/components/pages/vaults/components/widget/shared/usePriceImpactAcceptance.ts: the remembered-key acceptance logic recreates the A -> B -> A price-impact confirmation bug, where returning to a previously accepted quote re-checks the warning and re-enables the CTA without a fresh confirmation.

On the second point, this is the same regression class being addressed on top of #1120 in #1124 (Fix price impact confirmation resets).

Follow-up for the RPC-ranking issue is now open as #1126 (Fix RPC override precedence), targeting feat/dedupe-deposit so that fix can merge independently of the broader refactor.