Link Whisper Premium v2.9.2

* [NEW FEATURE] Adding an "Export Map" button to the AI Fix popup so you can download the relation map the fix is working with as a JSON file for review or troubleshooting. * [NEW FEATURE] Adding a "Rescan is_empty embedding posts" repair tool to the AI Settings that re-scans posts mistakenly saved as empty AI embeddings and then refreshes their AI Relation calculations. (For cases where an embedding request failed and good posts got incorrectly marked as empty) * [NEW DEBUG SETTING] Adding a "Clear OP Cache" tool to the Debug Settings so you can ask PHP to flush its OPcache and load freshly-updated plugin files. (Helpful when a host keeps serving an old cached version of the plugin and reports aren't reflecting recent changes) * [ADJUSTMENT] Sunsetting the direct OpenAI connection and migrating the plugin's AI features and on-screen messaging over to the Link Whisper AI connection. (The AI provider now defaults to the Link Whisper AI service, and the various "OpenAI" prompts and labels now reference the unified AI connection) * [IMPROVEMENT] Improving the AI credit estimator so it no longer adds estimated costs for processes that don't actually consume credits, making the One Click Setup / Dashboard scan estimates more accurate. * [IMPROVEMENT] Improving AI credit tracking so the credits used by the sentence-to-content relatedness comparison are now counted and logged in the credit history. * [IMPROVEMENT] Refreshing your available AI credit total whenever the purchase history is refreshed, so the displayed balance stays in sync after a purchase. * [IMPROVEMENT] Improving the text cleaning that runs before content is sent for embedding so it strips   characters and collapses runs of whitespace, producing cleaner, more accurate embeddings. * [IMPROVEMENT] Improving the AI Linking's relation map handling so a resumed run can re-process the existing map with a fresh AI pass instead of being stuck on the same stale map, and so the plugin no longer wastes time running OpenAI batch processing when the Link Whisper AI service is connected. * [IMPROVEMENT] Improving the AI Fix popup so its progress counter reflects the items actually available to work on once a run completes, and so stale saved suggestions are cleared when starting a fresh fix run. * [UI/UX] Formatting AI credit costs with thousands separators (e.g. "1,234 Credits") so estimated costs are easier to read. * [UI/UX] Rounding AI credit charges greater than 1 credit and hiding zero-credit rows in the credit history export so the report is clearer. * [BUGFIX] Fixing an accounting bug that made it look like every relation needed to be recalculated whenever a new post was published. * [BUGFIX] Fixing the basic Dashboard scan's completion check so a single straggling post no longer keeps the scan from being marked complete. * [BUGFIX] Fixing PHP notices/errors that could occur during AI relation processing when embedding data arrived as objects instead of arrays, and when the OpenAI streaming filter wasn't registered (the "empty index" notice). * [BUGFIX] Clearing the "Insufficient AI Credits" warning automatically once a refreshed balance shows you have credits available again.