Add category suggestions to product editor, deal with taxonomy embeddings better, fix category badge overflow

inventory-server/src/services/ai/index.js

@@ -124,6 +124,17 @@ function isReady() {
   return initialized && taxonomyEmbeddings?.isReady();
 }
 
+/**
+ * Start background taxonomy change detection.
+ * Call once after initialization, passing a function that returns { connection }.
+ * @param {Function} getConnectionFn
+ * @param {number} [intervalMs] - default 1 hour
+ */
+function startBackgroundCheck(getConnectionFn, intervalMs) {
+  if (!initialized || !taxonomyEmbeddings) return;
+  taxonomyEmbeddings.startBackgroundCheck(getConnectionFn, intervalMs);
+}
+
 /**
  * Build weighted product text for embedding.
  * Weights the product name heavily by repeating it, and truncates long descriptions
@@ -362,6 +373,7 @@ module.exports = {
   initialize,
   isReady,
   getStatus,
+  startBackgroundCheck,
 
   // Embeddings (OpenAI)
   getProductEmbedding,