add: SPRL (2026-09-11)

[Bhimgouda]

Summary

Add 1 token to the default list.

Symbol	Chain	Address	Decimals
SPRL	Robinhood Chain (4663)	0xb22A893a4afDCE12871e61229130490F9422B5B6	18

Spiral Stake ($SPRL) is the protocol token of Spiral Stake, launched 2026-09-08 on Robinhood Chain via Pons v2 and trading in Uniswap v4 pool 0xadbe28c40e4548059348e58c470022d0b81caad920b18b258d864dcfcdfd5418 (ETH/SPRL).

• CoinGecko (same network + address): https://www.coingecko.com/en/coins/spiral-stake
• Token page publishing the address: https://spiralstake.xyz/token
• Explorer: https://robinhoodchain.blockscout.com/token/0xb22A893a4afDCE12871e61229130490F9422B5B6

Verification

• EIP-55 checksum verified (node scripts/checksum.js → OK)
• name(), symbol(), decimals() read from the contract on Robinhood Chain match the entry
• No duplicate entries — address, symbol and name absent from src/tokens/robinhood.json
• Robinhood Chain is the only deployment
• Entry appended at the end of src/tokens/robinhood.json, existing key order, 2-space indent
• yarn test passes (6 passing)
• npm version minor → 22.20.0

Closes #2574