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v0.6.2 — Page cache exclusion notice + WP_CACHE detection

Housekeeping patch: bundles the page-cache compatibility notice (#24) and its WP_CACHE-based detection simplification (#25) into a single tagged release.

Housekeeping — page cache compatibility

  • New "Compatibility with page caches" README section, parallel to the Wordfence section. Documents /wp-json/* and /.well-known/* as the two URL patterns that must be excluded from any full-page cache — those responses carry per-request OAuth state (nonces, client_id, PKCE, bearer tokens, echoed RFC 8707 resource params) that must never be served from cache. Covers plugin caches (LiteSpeed, WP Rocket, W3TC, WP Super Cache, Cache Enabler, Hummingbird, SG Optimizer, Swift Performance) and host / edge caches (Kinsta, WP Engine, Cloudways, NGINX FastCGI, Varnish, Cloudflare). Cross-references the 0.5.0 CacheHeaders defense so operators understand what per-request cache-busting is already in place.
  • New admin notice acrossai_ai_connectors_page_cache_exclusions_required fires (via the shared acrossai_notices filter) when WP_CACHE === true — the WordPress-core-defined gate that every plugin-based full-page cache installer sets in wp-config.php. WP's own wp-settings.php only loads wp-content/advanced-cache.php when this constant is truthy, so one probe catches every current and future plugin-based cache without an eight-item allowlist to maintain. Dismissible per-user via the main-menu fingerprint mechanism once exclusions are in place.
  • Edge / host caches (Cloudflare / NGINX FastCGI / Varnish / Kinsta / WP Engine) don't set WP_CACHE and are covered by the README documentation instead — configure exclusions manually per the list.

Preserved contracts

  • No functional plugin changes vs 0.6.1.
  • No schema changes.
  • No new capabilities.
  • No new composer runtime dependencies.
  • Upgrade is a runtime no-op for existing Claude / ChatGPT / Grok / Gemini connections.

Requirements

  • WordPress 6.9 or later
  • PHP 8.1 or later
  • AcrossAI MCP Manager must be active

Full diff: v0.6.1…v0.6.2

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