fix: save embedding batch table and schema to vectorizer config

projects/extension/sql/ai--0.6.0.sql

@@ -301,13 +301,13 @@ begin
         scheduling = pg_catalog.jsonb_insert(scheduling, array['job_id'], to_jsonb(_job_id));
     end if;
 
+    embedding_batch_schema = coalesce(embedding_batch_schema, 'ai');
+    embedding_batch_table = coalesce(embedding_batch_table, pg_catalog.concat('_vectorizer_embedding_batches_', _vectorizer_id));
+    embedding_batch_chunks_table = coalesce(embedding_batch_chunks_table, pg_catalog.concat('_vectorizer_embedding_batch_chunks_', _vectorizer_id));
+
     -- create batch embedding tables
     select (embedding operator (pg_catalog.->> 'implementation'))::text into _implementation;
     if _implementation = 'openai' then
-        embedding_batch_schema = coalesce(embedding_batch_schema, 'ai');
-        embedding_batch_table = coalesce(embedding_batch_table, pg_catalog.concat('_vectorizer_embedding_batches_', _vectorizer_id));
-        embedding_batch_chunks_table = coalesce(embedding_batch_chunks_table, pg_catalog.concat('_vectorizer_embedding_batch_chunks_', _vectorizer_id));
-
         -- make sure embedding batch table name is available
         if pg_catalog.to_regclass(pg_catalog.format('%I.%I', embedding_batch_schema, embedding_batch_table)) is not null then
             raise exception 'an object named %.% already exists. specify an alternate embedding_batch_table explicitly', queue_schema, queue_table;
@@ -360,6 +360,9 @@ begin
       , 'formatting', formatting
       , 'scheduling', scheduling
       , 'processing', processing
+      , 'embedding_batch_schema', embedding_batch_schema
+      , 'embedding_batch_table', embedding_batch_table
+      , 'embedding_batch_chunks_table', embedding_batch_chunks_table
       )
     );