Рабочий вариант

scripts/schema.sql

@@ -1,6 +1,5 @@
 -- RAG vector DB schema for Postgres (pgvector).
--- Run once against an empty DB. If RAG_EMBEDDINGS_DIM is not 1536, change vector(1536) below.
--- Usage: psql "$RAG_DB_DSN" -f scripts/schema.sql
+-- GigaChat Embeddings = 1024; for OpenAI use vector(1536). Usage: psql "$RAG_DB_DSN" -f scripts/schema.sql
 
 CREATE EXTENSION IF NOT EXISTS vector;
 
@@ -28,7 +27,7 @@ CREATE TABLE IF NOT EXISTS chunks (
     chunk_index INTEGER NOT NULL,
     hash TEXT NOT NULL,
     content TEXT NOT NULL,
-    embedding vector(1536) NOT NULL,
+    embedding vector(1024) NOT NULL,
     start_line INTEGER,
     end_line INTEGER,
     change_type TEXT NOT NULL DEFAULT 'added'