feat(test): Feature/drel 1157 discord timeout with decryptandcombine

[Ansonhkg]

WHAT

• add decrypt-and-combine Lit Action e2e coverage
• document the pnpm test:custom -- --runTestsByPath workflow for custom specs (basically anything but e2e.spec.ts)
• add lightweight initFast bootstrapping for ticket specs and restructure executeJs helpers. It speeds up test iteration by skipping heavy setup while sharing executeJs helpers across suites

Relevant PRs

• docs(auth-context): add important considerations for using decryptAnd… #954

❗️Blocked ✅ UPDATED 28, Oct, 2025

This is blocked until Lit.Actions.encrypt returns data in Base64 format instead of a raw JSON string.

• https://github.com/LIT-Protocol/lit-assets/pull/2175/files#diff-759009e8abdf730b3ea3fa91d58ba527543683cefae13fd831e85bf3c8bbc91bL1363-L1368
• Ticket to follow https://linear.app/litprotocol/issue/NODE-4734/fix-return-type-of-litactionsencrypt-from-raw-ciphertext-json-to
• https://github.com/LIT-Protocol/lit-assets/pull/2284/files

[Copilot]

Pull Request Overview

This PR adds end-to-end test coverage for the decryptAndCombine Lit Action and introduces a lightweight initFast initialization mode to speed up test iteration for custom ticket specs.

• Adds comprehensive e2e test for decryptAndCombine Lit Action functionality
• Implements initFast mode that skips PKP setup for faster test bootstrapping
• Refactors executeJs test helpers into modular structure with shared context types
• Documents workflow for running individual ticket specs using --runTestsByPath

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/e2e/src/tickets/drel1157-la-decryptandcombine.spec.ts	New test spec that validates decryptAndCombine Lit Action using fast init mode
packages/e2e/src/init.ts	Refactored to support both full and fast initialization modes with shared base setup
packages/e2e/src/helper/tests/index.ts	Updated exports to reflect renamed and new executeJs test functions
packages/e2e/src/helper/tests/executeJs/index.ts	New barrel export file for modular executeJs test helpers
packages/e2e/src/helper/tests/executeJs/decrypt-and-combine.ts	New test helper implementing decryptAndCombine Lit Action validation
packages/e2e/src/helper/tests/executeJs/basic.ts	Refactored from execute-js.ts with improved type safety and error handling
packages/e2e/src/e2e.spec.ts	Updated to use renamed executeJs test functions and added decryptAndCombine test case
README.md	Added documentation for running custom ticket specs

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[Ansonhkg]

lit-asset pr to follow https://github.com/LIT-Protocol/lit-assets/pull/2284/files