fix: include plasma in SUPPORTED_CHAINS

[mwelche]

Problem

plasma is declared as a supported chain in three places — the SupportedChainId union (src/types.ts), NATIVE_SYMBOL_BY_CHAIN_ID, and isChainIdSupported (src/utils/index.ts) — but it is missing from SUPPORTED_CHAINS in src/constants.ts.

SUPPORTED_CHAINS is used in parseSwap to resolve the chain name when a transaction has reverted:

const chain = SUPPORTED_CHAINS.find((chain) => chain.id === chainId);
const message = `Unable to parse. Transaction ${hash} on ${chain?.name} has reverted.`;

For a reverted Plasma transaction this logs ... on undefined has reverted. even though the chain is otherwise fully supported.

Solution

Add plasma to SUPPORTED_CHAINS so the chain is declared consistently across all four references. plasma is already imported in constants.ts, so this is a one-line addition.

Validation

• tsc --emitDeclarationOnly passes.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (d419e97) to head (07ec3f3).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #116   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines          210       210           
  Branches        42        42           
=========================================
  Hits           210       210           

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

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