#22 — Implement `useTokenBalances` hook (SAC tokens)

[IbrahimIjai]

Description:
Create useTokenBalances that reads USDC, BTC, ETH, XLM (SAC) balances for the connected wallet via Horizon account balances (trustlines) or Soroban SAC balance(address) calls.

Acceptance criteria:

• Returns Record<string, number> keyed by token symbol
• Batches SAC balance reads where possible
• Feeds into TradePanel "Balance:" row (currently hardcoded)
• Stale time: 15 s

[uzochukwuV]

@uzochukwuV has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

hi bro, let me work on this

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[0xMegie]

@0xMegie has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Please can I work on this..??

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[boys-cyberhub]

@boys-cyberhub has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Please assign this issue to me

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