Batch operations module

[nafiuishaaq]

Description:
Allow batch lock, approve, or refund for multiple sessions in one transaction.

Acceptance Criteria:

batch_lock_funds(sessions: Vec<(Bytes32, Address, i128)>) function.

batch_approve(session_ids: Vec) for buyer.

batch_complete(session_ids: Vec) for seller.

Any single failure causes entire batch to revert.

Gas-efficient looping with early break on error.

Labels: integration, batch, gas-optimization

[OmniZlatoon]

@OmniZlatoon has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I would love to work on this issue maintainer. Please Assign me and I'll get the job done.

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[snowrugar-beep]

@snowrugar-beep has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

please maintainer, assign me this

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[drips-wave]

This issue has been completed by @snowrugar-beep as part of the Stellar Wave Program's 5th Wave 🥳

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