display: support fetching derived objects

[amnn]

Description

Add an ability to load a derived object against a parent ID/object, using parent~>[name] syntax.

Test plan

Unit tests:

$ cargo nextest run -p sui-display

E2E tests (GraphQL):

$ cargo nextest run -p sui-indexer-alt-e2e-tests -- tests/graphql/objects/display/derived_object.move

---

Release notes

Check each box that your changes affect. If none of the boxes relate to your changes, release notes aren't required.

For each box you select, include information after the relevant heading that describes the impact of your changes that a user might notice and any actions they must take to implement updates.

• Protocol:
• Nodes (Validators and Full nodes):
• gRPC:
• JSON-RPC:
• GraphQL:
• CLI:
• Rust SDK:
• Indexing Framework:

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
sui-docs	Ready	Preview, Comment	Mar 20, 2026 6:31pm

2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
multisig-toolkit	Ignored	Preview	Mar 20, 2026 6:31pm
sui-kiosk	Ignored	Preview	Mar 20, 2026 6:31pm

[github-actions]

📋 afdocs check results

URL: https://sui-docs-r60yxknhu-sui-foundation.vercel.app

Running checks on sui-docs-r60yxknhu-sui-foundation.vercel.app...

Agent-Friendly Docs Check: https://sui-docs-r60yxknhu-sui-foundation.vercel.app
Timestamp: 2026-03-20T18:32:12.430Z

llms-txt
  ✓ llms-txt-exists: llms.txt found at 1 location(s)
  ✓ llms-txt-valid: llms.txt follows the proposed structure (H1, blockquote, heading-delimited link sections)
  ⚠ llms-txt-size: llms.txt is 89,625 characters (between 50,000 and 100,000; consider splitting)
      Learn more: https://agentdocsspec.com/spec/#llms-txt-size
  ⚠ llms-txt-links-resolve: All links are external; 286/291 resolve (5 failed; may be bot-detection or rate-limiting)
      Learn more: https://agentdocsspec.com/spec/#llms-txt-links-resolve
  ○ llms-txt-links-markdown: All 291 links are external; cannot assess markdown support

markdown-availability
  ✗ markdown-url-support: No pages support .md URLs (0/1 tested)
      Learn more: https://agentdocsspec.com/spec/#markdown-url-support
  ✗ content-negotiation: Server ignores Accept: text/markdown header (0/1 pages return markdown)
      Learn more: https://agentdocsspec.com/spec/#content-negotiation

page-size
  ✓ rendering-strategy: All 1 pages contain server-rendered content
  ○ page-size-markdown: Skipped: dependency check did not pass
  ✓ page-size-html: All 1 pages convert under 50K chars (median 4K, 80% boilerplate)
  ✗ content-start-position: 1 of 1 pages have content starting past 50% (worst 100%)
      Learn more: https://agentdocsspec.com/spec/#content-start-position

content-structure
  ✓ tabbed-content-serialization: No tabbed content detected across 1 pages
  ✓ section-header-quality: No tabbed content found; header quality check not applicable
  ✓ markdown-code-fence-validity: All 0 code fences properly closed across 1 pages

url-stability
  ✓ http-status-codes: All 1 pages return proper error codes for bad URLs
  ✓ redirect-behavior: No redirects detected across 1 pages

agent-discoverability
  ✗ llms-txt-directive: No llms.txt directive found in any of 1 pages
      Learn more: https://agentdocsspec.com/spec/#llms-txt-directive

observability
  ○ llms-txt-freshness: No page URLs found in llms.txt
  ○ markdown-content-parity: Skipped: dependency check did not pass
  ✓ cache-header-hygiene: All 2 endpoints have appropriate cache headers

authentication
  ✓ auth-gate-detection: All 1 pages are publicly accessible
  ○ auth-alternative-access: All docs pages are publicly accessible; no alternative access paths needed

Summary
  11 passed, 2 warnings, 4 failed, 5 skipped (22 total)

Full spec: https://agentdocsspec.com/spec/