fix: Monthly SEO fixes 2026-06-28

[agent-ptolemy]

Automated fixes from the monthly SEO audit (28 June 2026).

Fixes applied

• llms.txt + llms-full.txt — Updated last-updated from 2026-06-08 to 2026-06-28. Three content commits landed on main after the previous stamp: DTA mandatory AI requirement (15 June 2026 deadline), OAIC ADM consultation closure, EU AI Act Digital Omnibus update, and salvaged content from superseded PRs. AI agents polling /llms.txt or /llms-full.txt would see a stale inventory date until corrected.

Issues requiring human action

1. Schema gaps — HowTo frontmatter missing from 2 governance templates:

   • governance-templates/ai-readiness-checklist.md — missing howto: frontmatter block
   • governance-templates/ai-vendor-evaluation-checklist.md — missing howto: frontmatter block
   • (Also consider adding HowTo + FAQ to policy-template-library.md if appropriate — it's an overview page so may be intentional)

2. Content reviews overdue (both 148 days, quarterly threshold 100 days):

   • business-resources/ai-learning-development-directory.md — last reviewed 2026-01-31; verify AI learning resources and government-funded programs are still current
   • resources/australian-ai-community.md — last reviewed 2026-01-31; verify community organisations and links still active

3. Orphan pages (0 inbound internal links):

   • business-resources/agent-readable-resources.md — in nav/sitemap but no page links to it; add a cross-link from business-resources/index.md
   • resources/australian-ai-community.md — add a cross-link from about.md or business-resources/index.md

4. Homepage + About schema — index.md and about.md lack WebSite/Organization JSON-LD; high-value for entity recognition

5. Glossary schema — resources/glossary.md lacks DefinedTermSet schema

6. Sitemap <lastmod> dates absent — Zensical does not populate <lastmod>; consider post-processing in deploy.yml via git log per page

7. External link verification — All outbound HTTP checks blocked by cloud execution environment proxy (same pattern as prior weeks). Manual verification recommended for volatile government URLs, particularly industry.gov.au and digital.gov.au paths.

Audit summary

Check	Result
Build (zensical build)	✅ Clean — 34 pages
robots.txt	✅ All required AI crawlers listed
Sitemap	✅ 29 nav pages — no <lastmod> (Zensical limitation)
Internal links	✅ 0 broken
External links	⚠️ Proxy-blocked — unable to verify from cloud environment
Heading hierarchy	✅ 0 violations
Frontmatter coverage	✅ All required fields present
Schema coverage	⚠️ 2 templates missing HowTo; homepage/about/glossary missing schema
Content freshness	⚠️ 2 pages overdue (148 days, threshold 100)
Agent-readable resources	✅ Fixed — dates updated to 2026-06-28

Source: agent-engine/maintenance/seo-report-2026-06-28.md

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