fix: cap unwrap depth in timeout normalization

[nev21]

Bound the array-unwrapping loop in _normalizeTimeoutValue to 5 iterations, falling back to the default timeout if no numeric value is found within that bound. Previously a self-referential array (e.g. a[0] = a) passed as a timeout would loop forever.

[Copilot]

Pull request overview

This PR prevents _normalizeTimeoutValue from looping forever when given a self-referential array timeout by capping nested-array unwrapping to a fixed depth and adding unit tests around normalization behavior.

Changes:

• Added a maximum unwrap depth constant and bounded the array-unwrapping loop in _normalizeTimeoutValue.
• Added a new test suite covering direct numeric timeouts, nested arrays, depth-cap behavior, and self-referential arrays.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
lib/src/internal/timeout_helpers.ts	Caps nested array unwrapping in _normalizeTimeoutValue to avoid infinite loops on cyclic/self-referential arrays.
lib/test/src/internal/timeout_helpers.test.ts	Adds coverage for timeout normalization, including depth-cap and self-referential array scenarios.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.57%. Comparing base (c133f5a) to head (b4fd64b).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #528      +/-   ##
==========================================
+ Coverage   97.55%   97.57%   +0.01%     
==========================================
  Files          28       28              
  Lines        1516     1527      +11     
  Branches      358      358              
==========================================
+ Hits         1479     1490      +11     
  Misses         37       37              

Files with missing lines	Coverage Δ
lib/src/internal/timeout_helpers.ts	100.00% <100.00%> (ø)
lib/src/promise/asyncPromise.ts	100.00% <100.00%> (ø)

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[nevware21-bot]

Approved by nevware21-bot

[Copilot]

Pull request overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

[nevware21-bot]

Approved by nevware21-bot

[nevware21-bot]

Approved by nevware21-bot