feat(wasm-solana): add Create-ATA support for consolidateToken

[MohammedRyaan786]

Ticket: CHALO-1260

This pull request adds support for automatically creating associated token accounts (ATAs) during "consolidate" intents in the Solana intent builder. It introduces new fields to the consolidate intent, updates the builder logic to optionally emit idempotent CreateAssociatedTokenAccount instructions before token transfers, and adds comprehensive tests covering these scenarios.

Enhancements to Consolidate Intent:

• Added createAssociatedTokenAccount (boolean) and ataOwnerAddress (string) fields to the ConsolidateIntent TypeScript and Rust types, allowing callers to request automatic ATA creation for recipients. [1] [2]

Builder Logic Updates:

• Updated build_consolidate to:
  • Parse the new fields from the intent.
  • When createAssociatedTokenAccount is true, validate ataOwnerAddress and emit a CreateAssociatedTokenAccount instruction before each token transfer.
  • Ensure the provided recipient ATA matches the derived address for the owner and mint, raising errors otherwise. [1] [2] [3]

Testing Improvements:

• Added tests to verify:
  • CreateAssociatedTokenAccount is emitted before TokenTransfer when requested.
  • Backward compatibility when the flag is omitted or false.
  • Error handling when required fields are missing or mismatched.
  • Correct behavior with multiple token recipients and mixed native/token recipients.

Test Utilities:

• Imported and used getAssociatedTokenAddress in tests to ensure recipient addresses match derived ATAs.

[linear-code]

CHALO-1260

[MohammedRyaan786]

@claude please review this PR and provide a verdict

[Copilot]

Pull request overview

This PR extends the Solana intent builder’s consolidate flow to optionally create destination Associated Token Accounts (ATAs) (via idempotent CreateAssociatedTokenAccount instructions) before performing SPL token transfers, enabling smoother “consolidate” intents when recipient ATAs may not yet exist.

Changes:

• Added createAssociatedTokenAccount and ataOwnerAddress fields to the consolidate intent (TypeScript + Rust) to request/parameterize ATA creation.
• Updated the Rust build_consolidate builder to validate the ATA owner, verify the provided recipient ATA matches the derived ATA, and emit Create-ATA (idempotent) prior to each token transfer when enabled.
• Added comprehensive tests to cover emission order, backward compatibility, and error cases (missing owner / mismatched ATA), including multi-recipient scenarios.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
packages/wasm-solana/test/intentBuilder.ts	Adds tests validating Create-ATA emission behavior and error handling for consolidate intents.
packages/wasm-solana/src/intent/types.rs	Extends ConsolidateIntent with optional fields for requesting ATA creation and specifying the ATA owner.
packages/wasm-solana/src/intent/build.rs	Implements conditional idempotent Create-ATA emission and derived-ATA validation within build_consolidate.
packages/wasm-solana/js/intentBuilder.ts	Updates TypeScript ConsolidateIntent interface to expose the new consolidate options to callers.

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