[AhmadReza6610]

The WizardConnect "Wallet Interaction" example passes the WcTransactionObject straight to dappConnectionManager.signTransaction(). The WizardConnect relay serializes messages with JSON.stringify, and the object holds bigint and Uint8Array fields, so the example throws TypeError: Do not know how to serialize a BigInt.

I ran into this building a dapp with WizardConnect and Cashonize. This PR encodes the request with libauth's stringify, the same way the BCH WalletConnect example on the same page already does, and adds a sentence explaining why.

Checked:

• Built a real request with CashScript 0.14 (a contract input with placeholder sig/pubkey, so it carries the contract field, plus a P2PKH input with tokens).
• Plain JSON.stringify of the old request throws the BigInt error.
• JSON.parse(stringify(transaction)) passes Cashonize's StrictWizSignTransactionRequestSchema, keeping contract.artifact.contractName, contract.abiFunction.name, redeemScript and the token amounts.
• The same payload round-trips through @wizardconnect/core's parseExtendedJson.

Docs-only change.

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Pull request stats

	Docs	Total	Net	Share
Website	+7 −1	+7 −1	+6	100%
Total	+7 −1	+7 −1	+6	100%

Reviewable churn: 8 lines (net +6), version bumps and generated files excluded.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.25%. Comparing base (5f0eaff) to head (502d48b).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #477   +/-   ##
=======================================
  Coverage   89.25%   89.25%           
=======================================
  Files          61       61           
  Lines        5081     5081           
  Branches      950      950           
=======================================
  Hits         4535     4535           
  Misses        421      421           
  Partials      125      125           

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