Fix: RAG updates

storage/migrations/002_add_vector.up.sql

@@ -1,11 +1,12 @@
-CREATE VIRTUAL TABLE IF NOT EXISTS embeddings USING vec0(
-    embedding FLOAT[5120],
-    slug TEXT NOT NULL,
-    raw_text TEXT PRIMARY KEY,
-);
+--CREATE VIRTUAL TABLE IF NOT EXISTS embeddings_5120 USING vec0(
+--    embedding FLOAT[5120],
+--    slug TEXT NOT NULL,
+--    raw_text TEXT PRIMARY KEY,
+--);
 
 CREATE VIRTUAL TABLE IF NOT EXISTS embeddings_384 USING vec0(
     embedding FLOAT[384],
     slug TEXT NOT NULL,
-    raw_text TEXT PRIMARY KEY
+    raw_text TEXT PRIMARY KEY,
+    filename TEXT NOT NULL DEFAULT ''
 );