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# Cook Web Domain: lib

This file adds local guidance for `src/cook-web/src/lib`. Read the repository
root and `src/cook-web/AGENTS.md` first, then use this file for
domain-specific frontend ownership.

## Scope

- This domain owns shared frontend infrastructure such as request handling,
  generated API wrappers, i18n helpers, normalization, and testable utility
  code.

- Representative files in this subtree: `src/cook-web/src/lib/request.ts`,
  `src/cook-web/src/lib/api.ts`, `src/cook-web/src/lib/shifu-normalize.ts`,
  `src/cook-web/src/lib/unified-i18n-backend.ts`

- Keep durable frontend rules here only when they are more specific than the
  Cook Web-wide guidance in the parent directory.

- Use focused frontend verification around `src/cook-web/src/lib/` before
  widening to global type and lint checks.

## Do

- Start from the local entry files and preserve how `lib` currently separates
  route code, shared logic, state, and utilities.

- Keep request transport, business-code handling, and shared API generation
  logic centralized in this domain.

- Preserve shared normalization and utility behavior used by multiple pages,
  hooks, or stores before changing payload assumptions.

- Treat this directory as the right home for cross-cutting frontend logic that
  should not live inside route components.

## Avoid

- Do not move request or auth-header behavior into pages or components when
  `lib/request.ts` already owns that path.

- Do not reimplement shared normalization helpers in feature code when they
  belong here.

- Do not change shared utility contracts without rerunning affected tests and
  type checks across consumers.

- Avoid pushing domain-local rules up to shared docs unless another frontend
  subtree truly depends on the same constraint.

## Commands

- `rg -n "lib" src/cook-web/src` to locate call sites before editing this
  subtree.

- `cd src/cook-web && npm run type-check` after TypeScript, store, hook,
  request, or route-contract changes.

- `cd src/cook-web && npm run lint` before closing the task when shared
  frontend code or route files changed.

- `cd src/cook-web && npm run test -- src/lib/` for focused Jest coverage when
  this subtree already has or gains tests.

## Tests

- Add or update focused tests closest to `src/cook-web/src/lib/` for the happy
  path and the most important regression or business-code error path.

- Rerun type-checking and linting when exported props, store fields, hook
  contracts, or route behavior move.

- When a domain depends on shared request or normalization helpers, update
  those tests or add new ones in the same task.

- Document skipped UI, browser, or provider-dependent verification in the task
  summary when local automation cannot cover it.

## Related Skills

- src/cook-web/skills/module-augmentation-guardrails/SKILL.md

- `src/cook-web/SKILL.md`

- `SKILL.md`

- Create a focused skill under `src/cook-web/skills/<topic>/SKILL.md` when the
  same debugging or migration workflow repeats.
