fix: replace any types with WebContainer type in env-manager tests

[palak170306-design]

Summary

• Replaced instanceMock as any with instanceMock as unknown as WebContainer
  on lines 42, 55, 74, 99, 126 in tests/env-manager.test.tsx
• Added import type { WebContainer } from "@webcontainer/api" at the top
• any types were used as a shortcut for casting the mock instance —
  as unknown as WebContainer is the correct TypeScript pattern for
  casting mock objects in tests without losing type safety

Type of change

• Bug fix
• New feature
• Refactor
• Documentation
• Test or CI improvement
• Starter template change

Validation

• npm run lint
• npm test
• npm run build

List any additional manual verification you performed:

• All 112 tests passing including all 5 tests in env-manager.test.tsx

Screenshots or recordings

N/A — test file change only, no UI impact

#301 issue

Checklist

• I kept this PR focused on one primary change
• I updated documentation if behavior changed
• I did not commit secrets, local logs, or scratch files
• I am requesting review on the correct scope

Summary by CodeRabbit

• Tests
  • Improved type safety in component tests for better code quality and reliability.

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[coderabbitai]

Walkthrough

This PR improves type safety in the EnvManager component test suite by adding a proper WebContainer type import and replacing loose any-casts with explicit type annotations across multiple test cases.

Changes

EnvManager Test Type Safety

Layer / File(s)	Summary
EnvManager test type safety tests/env-manager.test.tsx	Added WebContainer type import and updated EnvManager render calls in test cases to use instanceMock as unknown as WebContainer instead of as any, strengthening type checking without changing test logic.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

Suggested labels

type:devops, type:refactor, quality:exceptional

Suggested reviewers

• piyushdotcomm

Poem

🐰 A hop of precision, casting shadows away,
WebContainer types now brighten the day,
No more loose anys in tests that we write,
Type safety gleams—oh, what a delight! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the primary change: replacing any types with the WebContainer type in the env-manager test file.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description check	✅ Passed	The pull request description follows the template structure and includes all required sections with appropriate information.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[github-actions]

👋 Thanks for opening a PR, @palak170306-design!

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