added endpoints and routes to get sessions

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

@@ -23,6 +23,16 @@ function getSession(id) {
     return parseSession(stmt.get(id));
 }
 
+function getSessions(limit = EPISODIC.DEFAULT_PAGE_SIZE, offset = 0) {
+  const db = getDB();
+  const stmt = db.prepare(`
+    SELECT * FROM sessions
+    ORDER BY updated_at DESC
+    LIMIT ? OFFSET ?  
+  `);
+  return stmt.all(limit, offset).map(parseSession);
+}
+
 // Retrieves a session by its external ID
 function getSessionByExternalId(externalId) {
     const db = getDB();
@@ -172,6 +182,7 @@ async function getEpisodeEmbedding(userMessage, aiResponse){
 module.exports = {
   createSession,
   getSession,
+  getSessions,
   getSessionByExternalId,
   deleteSession,
   createEpisode,