memory isolation fix

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

@@ -64,7 +64,7 @@ async function embedEntity(entity) {
     return data.embedding;
 }
 
-async function extractAndStoreEntities(userMessage, aiResponse) {
+async function extractAndStoreEntities(userMessage, aiResponse, projectId=null) {
     console.log('[entities] Extraction triggered')
     try {
         // Fetch existing entities to guide the model toward consistent name/type pairs
@@ -109,6 +109,7 @@ async function extractAndStoreEntities(userMessage, aiResponse) {
                     name: entity.name,
                     type: entity.type,
                     notes: entity.notes,
+                    projectId: projectId ?? null,
                 }))
                 .catch(err => {
                     console.warn(`[entities] Failed to embed entity "${entity.name}":`, err.message);