Рабочий вариант

docker/postgres-init/01-schema.sql

@@ -1,5 +1,5 @@
 -- RAG vector DB schema (runs automatically on first Postgres init).
--- If RAG_EMBEDDINGS_DIM is not 1536, change vector(1536) below.
+-- GigaChat Embeddings = 1024; for OpenAI use vector(1536).
 
 CREATE EXTENSION IF NOT EXISTS vector;
 
@@ -27,7 +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'

docker/postgres_test_data/18/docker/PG_VERSION

@@ -0,0 +1 @@
+18