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GitHub Actions 2969eb58e4 chore: update TypeScript to 6.0.1-rc and adjust package dependencies

- Removed duplicate @typescript-eslint/utils dependency in frontend/package.json
- Updated TypeScript version from 5.9.3 to 6.0.1-rc in frontend/package.json and package.json
- Adjusted ResizeObserver mock to use globalThis in tests
- Modified tsconfig.json and tsconfig.node.json to include empty types array
- Cleaned up package-lock.json to reflect TypeScript version change and updated dev dependencies

2026-03-11 22:19:35 +00:00

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QA Report: TypeScript 6.0 Upgrade

Date: 2026-03-11 Branch: Current working branch Scope: TypeScript 5.9.3 → 6.0.1-rc upgrade (dev-dependency and config change only)

Changes Under Test

TypeScript bumped from 5.9.3 to 6.0.1-rc in root and frontend package.json
tsconfig.json: types: [] added, DOM.Iterable removed from lib
global.ResizeObserver → globalThis.ResizeObserver in two test files
@typescript-eslint/utils moved from dependencies to devDependencies
Root typescript and vite moved from dependencies to devDependencies
npm overrides added for typescript-eslint peer dep resolution

Results

#	Check	Status	Details
1	Type Safety (`tsc --noEmit`)	PASS	Zero errors. Clean compilation with TS 6.0.1-rc.
2	Frontend Lint (ESLint)	PASS	0 errors, 857 warnings. All warnings are pre-existing (testing-library, unicorn, security rules). No new warnings introduced.
3	Frontend Unit Tests (Vitest)	PASS	158 test files passed, 5 skipped. 1871 tests passed, 90 skipped. Zero failures.
4	Frontend Build (Vite)	PASS	Production build completed in 9.23s. 2455 modules transformed. Output: 1,434 kB JS (420 kB gzip), 83 kB CSS.
5	Pre-commit Hooks (Lefthook)	PASS	All 6 hooks passed: check-yaml, actionlint, end-of-file-fixer, trailing-whitespace, dockerfile-check, shellcheck. Frontend-specific hooks skipped (no staged files).
6	Security Audit (`npm audit --omit=dev`)	PASS	0 vulnerabilities in both frontend and root packages. The `overrides` field introduces no security regressions.

Pre-existing Items (Not Blocking)

857 ESLint warnings: Existing testing-library/no-node-access, unicorn/no-useless-undefined, security/detect-unsafe-regex, and similar warnings. Not introduced by this change.
5 skipped test files / 90 skipped tests: Pre-existing skipped tests (Security.test.tsx suite and others). Not related to this change.

Scans Skipped (Out of Scope)

GORM Security Scan: No model/database changes.
CodeQL Go Scan: No Go code changed.
Docker Image Security Scan: Prep work only, not a deployable change.
E2E Playwright: Dev-dependency change does not affect runtime behavior.

Verdict

PASS

All six verification checks passed with zero new errors, zero new warnings, and zero security vulnerabilities. The TypeScript 6.0.1-rc upgrade is safe to proceed.

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