---
path: /studio/hathor/npc-platform-integrations
surface: studio
domain: hathor
auth: signed-in + studio entitlement
source: apps/oshun/web/src/app/studio/hathor/npc-platform-integrations/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 Hathor · NPC Platform Integrations

## Purpose

Admin lane console for the NPC platform capability checker. The single **Live
Platform Capability Matrix** lane checks each target platform's supported
capabilities against the NPC feature's required set, returning per-platform
compatibility and the missing capabilities. Admin-scoped and fail-closed.

## Entry points

- **Direct URL / bookmark** — `/studio/hathor/npc-platform-integrations`;
  `alternates.canonical` is set.
- **Quick-action from siblings** — the Lore Validation Timeline lane links here;
  this page links to NPC-to-NPC Conversations.
- **Studio overview** — see [`../../studio-overview.md`](../../studio-overview.md).

## Layout regions

`page.tsx` renders inside `<ShellLayout active="studio">`:

- **Workspace** (`StudioHathorNpcPlatformIntegrationsWorkspace`,
  `data-hathor-npc-platform-integrations-workspace`):
  - `<h1>` `WorkspaceHeading` — "Hathor NPC Platform Integrations Workspace"
  - Summary `<p data-hathor-npc-platform-integrations-summary>`
  - The embedded `PlatformCapabilityLane` (`data-pcm-lane`,
    `<h2 data-pcm-heading>Live Platform Capability Matrix</h2>`): its own
    fetch-on-mount catalog state, then the evaluation form + result table.
- **Route Map panel**
  (`<section data-hathor-npc-platform-integrations-route-map>`,
  `<h2>Route Map</h2>`): 5 entries from
  `STUDIO_HATHOR_NPC_PLATFORM_INTEGRATIONS_ROUTE_MAP` (path + purpose).
- **Quick-action lane** (`className="quickAction"` Links): NPC-to-NPC
  Conversations, Back to Studio workspace index.

## States

- [ ] **Loading** — `<p data-pcm-loading>` "Loading platform capability checker…".
- [ ] **Unauthorized** — `data-pcm-unauthorized` on 401/403 (admin-scope).
- [ ] **Error** — `data-pcm-error` on a non-OK catalog response or network
      failure.
- [ ] **Ready (form)** — `data-pcm-form` with the capabilities/platforms textarea.
- [ ] **Result** — `data-pcm-result` with `data-pcm-headline`
      (`data-pcm-compatible-count`) and the `data-pcm-platforms` table
      (`data-pcm-platform-row` carrying `data-platform` / `data-compatible`,
      `data-pcm-missing`).
- [ ] **Validation error** — `data-pcm-evaluate-error` for malformed JSON or a
      failed POST.

## Interactions

- [ ] **`data-pcm-payload`** (textarea,
      `aria-label="platform capabilities json"`) — edit the
      `{ requiredCapabilities[], platforms[{ platformId, supportedCapabilities[] }] }`
      JSON.
- [ ] **`data-pcm-submit`** ("Evaluate platforms") — parses the JSON and POSTs it
      to the evaluate endpoint; on 200 with a valid `result` renders the matrix.
- [ ] **Route Map entries** — verify against
      `STUDIO_HATHOR_NPC_PLATFORM_INTEGRATIONS_ROUTE_MAP` (5 entries).
- [ ] **Quick-action links** — NPC-to-NPC Conversations
      (`/studio/hathor/npc-to-npc-conversations`), Back to Studio (`/studio`).

## Data & contracts

- **Reads**: `GET /v1/admin/hathor/npc-platform-integrations` (the catalog body
  is fetched to gate the lane; the form itself supplies the evaluation input).
- **Writes**: `POST /v1/admin/hathor/npc-platform-integrations/evaluate` with the
  capabilities/platforms payload.
- **Realtime**: none.
- **Caching**: client fetch on mount, `cache: 'no-store'`,
  `buildBffAuthHeaders()`, `AbortController` on unmount.
- **Auth**: admin-scoped, fail-closed (401/403 → unauthorized); route is behind
  the signed-in + studio proxy gate.

## Cross-references

- Parent: [`../../studio-overview.md`](../../studio-overview.md)
- Component sources:
  - `apps/oshun/web/src/components/studio/StudioHathorNpcPlatformIntegrationsWorkspace.tsx`
    (wraps the `PlatformCapabilityLane`)
  - `apps/oshun/web/src/components/studio/StudioHathorNpcPlatformIntegrationsRouteMap.ts`
- Siblings:
  [`./studio-hathor-npc-to-npc-conversations.md`](./studio-hathor-npc-to-npc-conversations.md),
  [`./studio-hathor-lore-validation-timeline.md`](./studio-hathor-lore-validation-timeline.md)

## Open questions / known gaps

- [ ] Hathor is `unconfirmed-v1` per `WALKTHROUGH/matrix/routes.csv`; confirm
      whether the dedicated `/studio/hathor/*` admin lanes ship V1 or are
      internal-only.