updated updateSession and deleteSession routes to use external Ids, and added 'name' column to sessions table

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

@@ -14,6 +14,11 @@ function getDB() {
 
         db.exec(schema);
 
+        try{
+            db.exec(`ALTER TABLE sessions ADD COLUMN name TEXT`)
+        } catch {}
+        
+
         // Sync FTS index with any existing episodes data
         db.exec(`INSERT OR REPLACE INTO episodes_fts(rowid, user_message, ai_response) 
             SELECT id, user_message, ai_response FROM episodes`);

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

@@ -52,6 +52,29 @@ function deleteSession(id) {
     db.prepare(`DELETE FROM sessions WHERE id = ?`).run(id);
 }
 
+function updateSession(id, { name } = {}){
+  const db = getDB();
+  db.prepare(`
+    UPDATE sessions
+    SET name = ?, updated_at = unixepoch()
+    WHERE id = ?
+  `).run(name ?? null, id);
+  return getSession(id);
+}
+
+function updateSessionByExternalId(externalId, fields) {
+  const session = getSessionByExternalId(externalId);
+  if (!session) throw new Error('Session not found');
+  return updateSession(session.id, fields);
+}
+
+function deleteSessionByExternalId(externalId) {
+  const session = getSessionByExternalId(externalId);
+  if(!session) throw new Error('Session not found');
+  deleteSession(session.id);
+}
+
+
 // --Episodes --------------------------------------------------
 // Creates a new episode linked to a session, with user message, AI response, optional token count, and metadata
 async function createEpisode(sessionId, userMessage, aiResponse, tokenCount = null, metadata = null) {
@@ -165,6 +188,9 @@ module.exports = {
   getSessions,
   getSessionByExternalId,
   deleteSession,
+  updateSession,
+  updateSessionByExternalId,
+  deleteSessionByExternalId,
   createEpisode,
   getEpisode,
   getEpisodesBySession,

packages/memory-service/src/index.js

@@ -64,12 +64,21 @@ app.get('/sessions/:id', (req, res) => {
   res.json(session);
 });
 
+app.patch('/sessions/by-external/:externalId', (req, res) => {
+  const { name } = req.body;
+  try {
+    const session = episodic.updateSessionByExternalId(req.params.externalId, {name });
+    res.json(session);
+  } catch (err) {
+    res.status(500).json({error: err.message });
+  }
+});
 
 
 
 // Updates the session's updated_at timestamp to now
-app.delete('/sessions/:id', (req, res) => {
-  episodic.deleteSession(req.params.id);
+app.delete('/sessions/by-external/:externalId', (req, res) => {
+  episodic.deleteSessionByExternalId(req.params.externalId);
   res.status(204).send();
 });