add new rag_llm_model_id which is used for ocr

Author: SamSaffron

app/models/ai_persona.rb

@@ -378,6 +378,7 @@ def allowed_seeded_model
 #  allow_topic_mentions        :boolean          default(FALSE), not null
 #  allow_personal_messages     :boolean          default(TRUE), not null
 #  force_default_llm           :boolean          default(FALSE), not null
+#  rag_llm_model_id            :bigint
 #
 # Indexes
 #

app/models/ai_tool.rb

@@ -371,4 +371,4 @@ def self.presets
 #  rag_chunk_tokens         :integer          default(374), not null
 #  rag_chunk_overlap_tokens :integer          default(10), not null
 #  tool_name                :string(100)      default(""), not null
-#
+#  rag_llm_model_id         :bigint

db/migrate/20250210024600_add_rag_llm_model.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+class AddRagLlmModel < ActiveRecord::Migration[7.2]
+  def change
+    add_column :ai_personas, :rag_llm_model_id, :bigint
+    add_column :ai_tools, :rag_llm_model_id, :bigint
+  end
+end