trivial turn patch

packages/memory-service/src/episodic/index.js

@@ -1,5 +1,5 @@
 const {getDB} = require('../db');
-const { EPISODIC, getEnv, SERVICES, parseRow, formatEpisodeText, SUMMARIES, logger } = require('@nexusai/shared');
+const { EPISODIC, getEnv, SERVICES, parseRow, formatEpisodeText, SUMMARIES, logger, isTrivialTurn } = require('@nexusai/shared');
 const semantic = require('../semantic');
 const { extractAndStoreEntities } = require('../entities/extraction')
 
@@ -162,8 +162,16 @@ async function createEpisode(sessionId, userMessage, aiResponse, tokenCount = nu
     }))
     .catch(err => logger.error(`Failed to embed episode ${episode.id}:`, err.message));
 
-  extractAndStoreEntities(userMessage, aiResponse, episode.id, projectId)
-    .catch(err => logger.error(`Failed to extract entities for episode ${episode.id}:`, err.message));
+  // Skip entity extraction on contentless social turns (greetings, sign-offs).
+  // They carry nothing worth storing, and running extraction on them was a
+  // source of junk/confabulated entities. The informational content lives in
+  // substantive turns, which still extract normally.
+  if (isTrivialTurn(userMessage)) {
+    logger.debug(`[entities] Skipping extraction for episode ${episode.id} — trivial turn`);
+  } else {
+    extractAndStoreEntities(userMessage, aiResponse, episode.id, projectId)
+      .catch(err => logger.error(`Failed to extract entities for episode ${episode.id}:`, err.message));
+  }
 
 
   return episode;