Added episodic layer with FTS5 triggers and search

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

@@ -13,6 +13,11 @@ function getDB() {
         db.pragma('foreign_keys = ON');
 
         db.exec(schema);
+
+        // 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`);
+
         console.log(`Connected to SQLite database at ${path}`);
     }
     return db;

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

@@ -58,6 +58,26 @@ const schema = `
 
   CREATE VIRTUAL TABLE IF NOT EXISTS episodes_fts 
     USING fts5(user_message, ai_response, content=episodes, content_rowid=id);
+
+    CREATE TRIGGER IF NOT EXISTS episodes_fts_insert
+    AFTER INSERT ON episodes BEGIN
+      INSERT INTO episodes_fts(rowid, user_message, ai_response)
+      VALUES (new.id, new.user_message, new.ai_response);
+    END;
+
+  CREATE TRIGGER IF NOT EXISTS episodes_fts_delete
+    AFTER DELETE ON episodes BEGIN
+      INSERT INTO episodes_fts(episodes_fts, rowid, user_message, ai_response)
+      VALUES ('delete', old.id, old.user_message, old.ai_response);
+    END;
+
+  CREATE TRIGGER IF NOT EXISTS episodes_fts_update
+    AFTER UPDATE ON episodes BEGIN
+      INSERT INTO episodes_fts(episodes_fts, rowid, user_message, ai_response)
+      VALUES ('delete', old.id, old.user_message, old.ai_response);
+      INSERT INTO episodes_fts(rowid, user_message, ai_response)
+      VALUES (new.id, new.user_message, new.ai_response);
+    END;
 `;
 
 module.exports = schema;