fix: mf-6829 reduce savings rpc burst and use reserve symbols

[swkatmask]

Summary

• MF-6829 follow-up: the Savings dialog re-fetched name/symbol/decimals for every Aave reserve and aToken via useFungibleTokens (~5 eth_calls × ~62 addresses ≈ 310 calls in one burst). On installs pinned to a rate-limited public RPC every read failed and symbols degraded to the hardcoded Unknown Token / UNKNOWN fallbacks (cached 10 min) — which QA saw as "unknown token symbol".
• The reserves query now keeps the symbols already returned by the Aave ProtocolDataProvider (getAllReservesTokens / getAllATokens) and the pairs query only reads what is missing: name + nameBytes32 + decimals for the bare token, nothing extra for the aToken (it shares the reserve decimals — Aave invariant). ~310 → ~93 eth_calls (~70% cut) and symbols can no longer degrade to UNKNOWN.
• Bare/aToken pairing is now explicit per reserve instead of positional flatten + chunk(2), so one unmatched aToken no longer shifts every subsequent pair.

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1 Skipped Deployment

Project	Deployment	Actions	Updated
book	Skipped		Sep 14, 2026 2:57am UTC