chainId-fix-solution2nd

[zaryab2000]

changes:

1. UniversalAccount -> UniversalAccountId
2. UniversalAccountId includes chainId too
3. UniversalAccountId.chain -> UniversalAccountId.chainNamespace
4. UEAFactory: UEADeployed event emits sourceChainID
5. relevant fixes in tests.

[Copilot]

Pull Request Overview

This PR updates the codebase by renaming UniversalAccount to UniversalAccountId, adding a chainId field, and renaming the chain field to chainNamespace. It also updates all related tests and events (with UEAFactory now emitting sourceChainId) to reflect the new composite account identifier structure.

Reviewed Changes

Copilot reviewed 10 out of 13 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
test/UEA_SVM.t.sol	Updated to use UniversalAccountId with lower-case chainNamespace
test/UEA_EVM.t.sol	Updated to use UniversalAccountId with explicit chainId values
test/UEAFactory.t.sol	Adjusted tests for account deployment, salt generation, and retrieval using UniversalAccountId
src/libraries/Types.sol	Updated the struct to UniversalAccountId with new fields
src/UEAFactoryV1.sol	Updated all function signatures and event emission to reflect UniversalAccountId changes
src/UEA/UEA_SVM.sol	Updated references from UniversalAccount to UniversalAccountId
src/UEA/UEA_EVM.sol	Updated references from UniversalAccount to UniversalAccountId
src/Interfaces/IUEAFactory.sol	Updated interface function signatures and events accordingly
src/Interfaces/IUEA.sol	Updated interface function signatures and parameter descriptions
README.md	Updated documentation to reflect the new UniversalAccountId syntax

[0xNilesh]

LGTM!