fix: use overrideAccess for parent document fetches in breadcrumb generation

[Copilot]

Parent documents fetched during breadcrumb generation were subject to the requesting user's access control, causing breadcrumb chains to fail or be incomplete when a user lacks read access to an ancestor document.

Changes

• pages/src/utils/getBreadcrumbs.ts — Added overrideAccess: true to the findByID call in findByIDCached:

parentPromise = req.payload.findByID({
  id,
  collection,
  depth: 0,
  disableErrors: true,
  locale,
  overrideAccess: true,  // breadcrumbs must always be complete regardless of user permissions
  req: { ... },
  select: { breadcrumbs: true },
})

• pages/dev/plugin.test.ts — Added test asserting that the nested findByID call for parent documents always includes overrideAccess: true.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>fix: use overrideAccess for parent document fetches in breadcrumb generation</issue_title>
<issue_description>## Problem

In getBreadcrumbs.ts, the findByID call for fetching parent documents does not use overrideAccess: true. Additionally, the full req is intentionally not passed (to avoid locale flattening issues), meaning the fetch runs without proper auth context.

If a parent page has access control restrictions, breadcrumb generation for its children could fail or return incomplete data. Breadcrumbs should always be complete regardless of the requesting user's permissions.

Proposed Solution

Add overrideAccess: true to the parent findByID call:

const parent = await req.payload.findByID({
  id: parentId,
  collection: parentCollection,
  depth: 0,
  disableErrors: true,
  locale,
  overrideAccess: true,
  req: {
    transactionID: req.transactionID,
  },
  select: {
    breadcrumbs: true,
  },
})

This ensures breadcrumb/path generation always succeeds even when the current user doesn't have read access to ancestor documents.

Testing

Add tests for this</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes fix: use overrideAccess for parent document fetches in breadcrumb generation #54

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