Feat/webhook system pushed

[GreatShinro]

chore: Git Hooks — Pre-commit Linting & Pre-push Tests

Summary

Adds husky + lint-staged so formatting and lint errors are caught locally before they reach CI, and the test suite runs automatically before every push.

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What Changed

.husky/pre-commit       ← runs lint-staged on staged files
.husky/pre-push         ← runs full test suite before push
package.json            ← lint-staged config + prepare script
package-lock.json       ← updated lockfile

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Hook Behaviour

Event	Command	Effect
npm install	husky (via prepare)	Hooks installed automatically for every contributor
git commit	npx lint-staged	ESLint auto-fix + Prettier format on staged src/**/*.ts and tests/**/*.ts; fixed files are re-staged
git push	npm test -- --passWithNoTests	Full Jest suite; push is blocked on test failures

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lint-staged Config

"lint-staged": {
  "src/**/*.ts": ["eslint --fix", "prettier --write"],
  "tests/**/*.ts": ["eslint --fix", "prettier --write"]
}

---

Acceptance Criteria

• npm install sets up hooks automatically via prepare script
• Committing a file with a lint error is blocked (or auto-fixed and re-staged)
• Committing a file with wrong formatting auto-fixes and re-stages it
• CI still runs full lint + tests independently of hooks (unchanged)

---

Notes

• Pre-existing test failures (missing .env vars, logic bugs in client.test.ts) are unrelated to this change — they fail identically on main. They will pass once a valid .env is in place.
• Use git commit --no-verify or git push --no-verify only when intentionally bypassing hooks (e.g. WIP commits, CI-only env setups).

closes #221

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[robertocarlous]

Fix conflict

[GreatShinro]

@GreatShinro conflicts has been resolved, please assign points