chore(tests): migrate from jest to vitest

[r-farkhutdinov]

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[Copilot]

Copilot review overview

🟡 Changes recommended

The root test command bypasses the newly added TypeScript test checks, allowing type-invalid tests to pass.

Review effort: Balanced
Findings: 1

Open (1)

• Root test command bypasses TypeScript checks · New

What changed in this PR

Migrates the repository’s TypeScript tests from Jest/ts-jest to Vitest.

Changes:

• Adds shared Vitest configuration and imports.
• Replaces Jest dependencies and scripts with Vitest.
• Separates production and test TypeScript configurations.

File	Description
vitest.config.mts	Adds shared Vitest settings.
pnpm-workspace.yaml	Catalogs Vitest instead of Jest.
pnpm-lock.yaml	Updates resolved test dependencies.
package.json	Replaces the root Jest command.
jest.config.js	Removes obsolete Jest configuration.
packages/​common/​package.json	Adds package-level Vitest execution.
packages/​common/​tsconfig.json	Excludes tests from builds.
packages/​common/​tsconfig.test.json	Adds test type-checking configuration.
packages/​common/​src/​path-utils.test.ts	Imports Vitest APIs.
packages/​code-scanning/​package.json	Migrates package test dependencies and command.
packages/​code-scanning/​tsconfig.json	Removes Jest types.
packages/​code-scanning/​tsconfig.test.json	Configures test module resolution.
packages/​code-scanning/​src/​validate-node-versions.test.ts	Imports Vitest APIs.
packages/​code-scanning/​src/​validate-lock-files.test.ts	Imports Vitest APIs.
packages/​code-scanning/​src/​pnpm-audit.test.ts	Imports Vitest APIs.

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[Copilot]

Copilot review overview

🟢 Approval recommended

The migration consistently updates configuration, dependencies, scripts, type checking, and every existing test file.

Review effort: Balanced
Findings: None

Resolved since last review (1)

• Root test command bypasses TypeScript checks