extraction error logging

packages/memory-service/src/entities/extraction.js

@@ -27,6 +27,10 @@ function buildExtractionPrompt(userMessage, aiResponse, knownEntities = []) {
         'For each entity found, provide: name, type, and a one-sentence notes field.',
         'Return your answer as: { "entities": [ ... ] }',
         'For each entity found, you MUST provide a non-empty notes field describing it based on the conversation.',
+        'For each entity found, provide:',
+        '  "name": short proper noun only (max 4 words, e.g. "Sydney", "NexusAI", "Tim")',
+        '  "type": one of the valid types',
+        '  "notes": one specific sentence about this entity based on the conversation (not generic)',
         '',
         knownBlock,
         '--- CONVERSATION ---',   // clear delimiter helps smaller models