refactor: LP Contract refactoring, that allows to specify lp tokens receiver and removes error handling

[Shvandre]

Closes #96
Closes #21

[Copilot]

Pull Request Overview

Refactors the liquidity deposit flow to allow specifying an LP token recipient and simplifies error handling by leveraging contract-level require calls.

• Adds lpTokensReceiver to payloads, message types, and contract constructors in place of the old depositor field.
• Replaces the single integer status bitmask with two boolean flags and a Status struct.
• Removes manual reject-message handlers and consolidates checks into require statements.

Reviewed Changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
sources/utils/testUtils.ts	Pass lpTokensReceiver: null in test payloads
sources/utils/environment.ts	Updated createLiquidityDepositSetup calls to include two new boolean flags
sources/tests/proofs.spec.ts	Added lpTokensReceiver: null to proof fixtures
sources/tests/liquidity-deposit.spec.ts	Removed old randomInt import, updated status checks, dropped legacy error tests
sources/tests/factory.spec.ts	Renamed depositor → lpTokensReceiver and added new boolean args
sources/scripts/deploy.ts	Updated deploy script to pass lpTokensReceiver and boolean flags
sources/contracts/vaults/vault-interface.tact	Added lpTokensReceiver nullable field; removed reject handler interface
sources/contracts/vaults/ton-vault.tact	Propagate lpTokensReceiver or default sender; removed deprecated reject logic
sources/contracts/vaults/jetton-vault.tact	Use lpTokensReceiver fallback; removed reject logic
sources/contracts/infra/factory.tact	Renamed depositor → lpTokensReceiver and updated arguments
sources/contracts/core/messages.tact	Replaced depositor with lpTokensReceiver in LiquidityDeposit message
sources/contracts/core/liquidity-deposit.tact	Swapped depositor for lpTokensReceiver, moved to booleans & struct-based status
sources/contracts/core/amm-pool.tact	Forward lpTokensReceiver instead of depositor in pool interactions

Comments suppressed due to low confidence (1)

sources/tests/liquidity-deposit.spec.ts:102

• The legacy error-handling test cases for mismatched or repeated deposits were removed. Please add new tests covering rejection scenarios under the updated require logic to ensure mis-provision is still blocked.

        })

[Kaladin13]

I am not sure about removing if -> again checks