style(hound): fix hound violations

app/services/rag/chunking_service.rb

@@ -12,14 +12,16 @@ def initialize(text: nil, file: nil)
   end
 
   def file_chunking
-    if @file_type == '.pdf'
-      reader = PDF::Reader.new(@file.path)
-      text = reader.pages.map(&:text).join(' ')
-    elsif @file_type == '.txt'
-      text = File.read(@file.path)
-    else
-      raise "Unsupported file type: #{@file_type}"
-    end
+    text = case @file_type
+           when '.pdf'
+             reader = PDF::Reader.new(@file.path)
+             reader.pages.map(&:text).join(' ')
+           when '.txt'
+             File.read(@file.path)
+           else
+             raise "Unsupported file type: #{@file_type}"
+           end
+
     @text = text.gsub(/\s+/, ' ').strip
     fixed_size_chunk_text(500, 100)
   end

app/services/rag/llm_service.rb

@@ -17,7 +17,8 @@ def get_image_caption(image)
         role: 'user',
         content: [
           { type: 'text',
-            text: 'What is in this image? Do not give a summary of image at the end. Make sure response is less than 80 words' },
+            text: 'What is in this image? Do not give a summary of image at the end.
+                  Make sure response is less than 80 words' },
           {
             type: 'image_url',
             image_url: {

config/initializers/llm_langchain.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 if ENV['OPENAI_API_KEY'].present?
   require 'langchain'
   # Create a global OpenAI client instance