fixes for summary prompt, chat route logger, QDrant orphan cleanup, llamacpp stream buffering

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

@@ -62,6 +62,11 @@ function touchSession(id) {
 function deleteSession(id) {
     const db = getDB();
     db.prepare(`DELETE FROM sessions WHERE id = ?`).run(id);
+
+    //SQLite cascade removed episode rows, clean up QDrant vectors too
+    // Fire-and-forget - payload-filter delete, so it doesn't depend on the rows existing
+    semantic.deleteEpisodesBySession(id)
+      .catch(err => logger.error(`[Memory] QDrant cleanup failed for session ${id}:`, err.message));
 }
 
 function updateSession(id, { name, projectId } = {}) {

packages/memory-service/src/index.js

@@ -192,10 +192,14 @@ app.get('/entities/:id', (req, res) => {
 });
 
 
-
 // Delete an entity by ID
 app.delete('/entities/:id', (req, res) => {
-  entities.deleteEntity(req.params.id);
+  const id = Number(req.params.id);
+  entities.deleteEntity(id);
+
+  semantic.deleteEntity(id) //fire-and-forget, same pattern as episode delete
+    .catch(err => logger.error(`[Memory] Qdrant delete failed for entity ${id};`, err.message));
+    
   res.status(204).send();
 });
 

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

@@ -99,6 +99,23 @@ async function deleteEpisode(id) {
   return deleteVector(COLLECTIONS.EPISODES, id);
 }
 
+async function deleteEntity(id) {
+    return deleteVector(COLLECTIONS.ENTITIES, id);
+}
+
+//Delete ALL episode vectors associated with a session via payload filter
+//Used on session delete: SQLite cascade removes the rows,  
+//Filter-based, 
+async function deleteEpisodesBySession(sessionId) {
+    const client = getClient();
+    await client.delete(CoLLECTIONS.EPISODES, {
+        wait: true,
+        filter: {
+            must: [{ key: 'sessionId', match: { value: sessionId } }]
+        }
+    });
+}
+
 
 module.exports = {
     initCollections,
@@ -109,5 +126,7 @@ module.exports = {
     searchEntities,
     searchSummaries,
     deleteVector,
-    deleteEpisode
+    deleteEpisode,
+    deleteEntity,
+    deleteEpisodesBySession
 };

packages/memory-service/src/summarization/project.js

@@ -32,6 +32,9 @@ function buildProjectSummaryPrompt(projectName, sessionSummaries) {
         'Be comprehensive but avoid padding. Do not repeat the same point twice.',
         'Write in third person. Output only the overview text, no headings or labels.',
         '',
+        summaryBlock,
+        '<|im_end|>',
+        '<|im_start|>assistant',
     ].join('\n');
 }