---
path: /studio/yemaya/asset-type-coverage
surface: studio
domain: yemaya
auth: signed-in + studio entitlement
source: apps/oshun/web/src/app/studio/yemaya/asset-type-coverage/page.tsx
status: walked
last_walked:
  '2026-05-29 automated runtime walk (Playwright headless) — render, /v1 data
  (2xx), console/page-errors, expected content, screenshot verified; live
  screen-reader, touch, offline, and telemetry-delivery checks pending a manual
  AT pass. Evidence: WALKTHROUGH/results/runtime-sweep-2026-05-29.md; body
  re-derived 2026-06-03 from current source (lane-console architecture)'
---

# Studio · Yemaya · Asset Type Coverage

## Purpose

Admin lane console that runs the `@yemaya/asset-generation`
`analyzeCourseForAssets` planner — pick a course type and lesson count and read
back the distinct required / recommended / optional asset types, the planned
item counts (including per-lesson assets), and the total estimated generation
cost. Wired to the live planner over `/v1/admin/yemaya/asset-type-coverage`;
access is admin-scoped and fail-closed.

## Entry points

- No breadcrumb panel on this page.
- Reachable from sibling Yemaya routes that quick-action here (e.g.,
  `team-collaboration`).
- Direct URL / bookmark (signed-in + studio entitlement).

## Layout regions

`page.tsx` renders `ShellLayout active="studio"` and:

- **Workspace panel** (`StudioYemayaAssetTypeCoverageWorkspace`,
  `data-yemaya-asset-type-coverage-workspace`):
  - `<h1>` (`WorkspaceHeading`) **"Yemaya Asset Type Coverage Workspace"**.
  - Summary paragraph (`data-yemaya-asset-type-coverage-summary`).
  - The coverage form (`data-yemaya-atc-form`) renders directly once the catalog
    loads (no separate lane heading).
- **Route Map panel** (`data-yemaya-asset-type-coverage-route-map`): `<h2>` "Route
  Map" + five entries from `STUDIO_YEMAYA_ASSET_TYPE_COVERAGE_ROUTE_MAP`.
- **Quick-action panel**: two `quickAction` links.

## States

- [ ] **Loading** — `data-yemaya-atc-loading` "Loading asset-coverage planner…"
      until the GET catalog resolves.
- [ ] **Unauthorized** — `data-yemaya-atc-unauthorized` "Access restricted." on a
      401/403 (Yemaya admin scope required).
- [ ] **Error** — `data-yemaya-atc-error` "Could not load the asset-coverage
      planner." on a non-OK / malformed catalog response.
- [ ] **Ready (form)** — the course-type + lesson-count form renders once the
      catalog (course types) loads.
- [ ] **Result** — `data-yemaya-atc-result` with the tiered required /
      recommended / optional asset-type rows (`data-yemaya-atc-tier`) and the
      estimated cost; submit-side validation surfaces in
      `data-yemaya-atc-analyze-error`.

## Interactions

### Coverage form

- [ ] **"Course type"** — `<select data-yemaya-atc-course-type>` populated from
      the catalog's course types.
- [ ] **"Lesson count"** — `<input data-yemaya-atc-lessons>` (aria-label "lesson
      count").
- [ ] **"Plan coverage"** — `<button data-yemaya-atc-submit>`; submitting POSTs
      `{ courseType, lessonCount }` to
      `/v1/admin/yemaya/asset-type-coverage/analyze` and renders the coverage
      tiers + total estimated generation cost.

### Route map

`data-yemaya-asset-type-coverage-route-map` — five non-interactive entries:

- [ ] `/studio/yemaya/asset-type-coverage` — primary workspace
- [ ] `/studio/yemaya/asset-type-coverage/taxonomy/[assetTypeId]`
- [ ] `/studio/yemaya/asset-type-coverage/matrix/[coverageMatrixId]`
- [ ] `/studio/yemaya/asset-type-coverage/gaps/[gapId]`
- [ ] `/studio/yemaya/asset-type-coverage/governance/[policyId]`

### Quick actions

- [ ] **"Open Yemaya Team Collaboration workspace"** →
      `/studio/yemaya/team-collaboration`.
- [ ] **"Back to Studio workspace index"** → `/studio`.

## Data & contracts

- **Reads**: `GET /v1/admin/yemaya/asset-type-coverage` (catalog: course types)
  on mount.
- **Writes**: `POST /v1/admin/yemaya/asset-type-coverage/analyze`
  (`{ courseType, lessonCount }` → coverage result).
- **Realtime**: none.
- **Caching**: client `fetch` on mount with `cache: 'no-store'`;
  `buildBffAuthHeaders()`.
- **Auth/role check**: admin-scoped, fail-closed (401/403 → unauthorized state);
  signed-in + studio entitlement enforced by the proxy/middleware.

## Cross-references

- Studio overview: [`studio-overview.md`](../../studio-overview.md)
- Workspace source:
  `apps/oshun/web/src/components/studio/StudioYemayaAssetTypeCoverageWorkspace.tsx`
- Route map source:
  `apps/oshun/web/src/components/studio/StudioYemayaAssetTypeCoverageRouteMap.ts`
- Feature spec: [`V1/features.md`](../../../../V1/features.md)

## Open questions / known gaps

- [ ] The route-map dynamic children (taxonomy / matrix / gaps / governance) are
      sitemap-only — confirm whether any are backed by `page.tsx` files yet.