v3.6.1 — Bing as organic search, Claude hidden-referrer detection & background OKF rebuild

Fixed

• Bing no longer counted as AI traffic. Plain www.bing.com clicks were mislabelled as "Bing AI" and counted as LLM traffic. Ordinary Bing is now tracked as organic search ("Bing") alongside Google; only Bing Copilot (the &form=MA… referrer signature) is detected as AI ("Copilot"). Fixed in the server tracker, the public citation-tracker JS, and the headless middleware snippets.
• OKF bundle no longer freezes post/menu saves on large sites. Saves now mark the bundle stale and a debounced background WP-Cron event rebuilds it, so every save returns instantly. Post types not in the bundle no longer trigger a rebuild.
• OKF "Generate bundle now" no longer fails on certain shortcodes that echo HTML directly (content rendering is now output-buffered).
• Live Feed Pause/Resume button label now updates correctly.
• Admin update notices no longer break the header row on the Bot Analytics and LLM Traffic pages.

Added

• Hidden-referrer (Claude) detection on direct WordPress via Sec-Fetch-* headers, recorded as a low-confidence AI citation ("Hidden Referrer (Claude)"). New setting ta_detect_hidden_referrer (default on).
• Scoped clear buttons — "Clear LLM Traffic Data" and "Clear Bot Crawl Data" each delete only their own records.

Notes

• DB version bumped to 3.6.1; a migration reclassifies historical "Bing AI" rows to organic "Bing" automatically on update.