fix: fixed CSM-016

priv/repo/migrations/20260509145208_add_missing_indexes.exs

@@ -0,0 +1,24 @@
+defmodule BDS.Repo.Migrations.AddMissingIndexes do
+  use Ecto.Migration
+
+  def change do
+    # Foreign key indexes
+    create index(:media, [:project_id])
+    create index(:post_media, [:post_id])
+    create index(:post_media, [:media_id])
+    create index(:chat_messages, [:conversation_id])
+    create index(:embedding_keys, [:post_id])
+    create index(:embedding_keys, [:project_id])
+    create index(:dismissed_duplicate_pairs, [:project_id])
+    create index(:import_definitions, [:project_id])
+    create index(:publish_jobs, [:project_id])
+
+    # Frequently filtered columns
+    create index(:posts, [:status])
+    create index(:posts, [:published_at])
+    create index(:posts, [:language])
+
+    # db_notifications lookup columns
+    create index(:db_notifications, [:entity_type, :entity_id])
+  end
+end