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# Cook Web Domain: c-service

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

## Scope

- This domain owns legacy business orchestration for shifu, shortcuts, and
  state transform helpers consumed by the `c` experience.

- Representative files in this subtree: `src/cook-web/src/c-service/Shifu.ts`,
  `src/cook-web/src/c-service/shifuUtils.ts`,
  `src/cook-web/src/c-service/shortcut.ts`,
  `src/cook-web/src/c-service/storeUtil.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/c-service/`
  before widening to global type and lint checks.

## Do

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

- Keep legacy business transformations centralized so `c` pages and stores do
  not all reshape the same payloads differently.

- Preserve compatibility with `c-api` response shapes and `c-store` state
  expectations when business behavior changes.

- Treat this subtree as the right place for legacy orchestration, not for
  low-level request or UI-only helpers.

## Avoid

- Do not duplicate shifu or shortcut transformations in pages when this
  service layer already owns them.

- Do not move compatibility behavior into modern domains without a clear
  migration plan and adapter.

- Do not change service outputs without updating dependent stores and pages
  together.

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

## Commands

- `rg -n "c-service" 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/c-service/` for focused Jest
  coverage when this subtree already has or gains tests.

## Tests

- Add or update focused tests closest to `src/cook-web/src/c-service/` 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/chat-element-streaming/SKILL.md

- src/cook-web/skills/interaction-user-input-defaults/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.
