Add Versioning for local adaptor

CHANGELOG.md

@@ -23,3 +23,7 @@
 ## [0.2.6] - 2025-03-07
 
 - Fixed span for local adapter.
+
+## [0.2.7] - 2025-04-01
+
+- Added support for prompt versioning in the local adapter.

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    llm_eval_ruby (0.2.6)
+    llm_eval_ruby (0.2.7)
       httparty (~> 0.22.0)
       liquid (~> 5.5.0)
 

lib/llm_eval_ruby/prompt_adapters/local.rb

@@ -7,14 +7,26 @@ module LlmEvalRuby
   module PromptAdapters
     class Local < Base
       class << self
-        def fetch_prompt(name:, version: nil) # rubocop:disable Lint/UnusedMethodArgument
-          prompt_path = Rails.root.join(LlmEvalRuby.config.local_options[:prompts_path], name.to_s)
+        # Versioning was introduced to allow flexibility in managing different iterations of prompts.
+        # This enables testing and gradual rollouts of updated prompt versions without affecting existing ones.
+        #
+        # lib/prompts/test
+        # ├── system.txt
+        # ├── user.txt
+        # └── v2
+        #     ├── system.txt
+        #     └── user.txt
+        # └── v3
+        #     ├── system.txt
+        #     └── user.txt
+        def fetch_prompt(name:, version: nil)
+          prompt_path = Rails.root.join(LlmEvalRuby.config.local_options[:prompts_path], name.to_s, version.to_s)
 
-          system_prompts = Dir.glob("#{prompt_path}/**/system.txt").map do |path|
+          system_prompts = Dir.glob("#{prompt_path}/system.txt").map do |path|
             { "role" => "system", "content" => File.read(path) }
           end
 
-          user_prompt = Dir.glob("#{prompt_path}/**/user*.txt").map do |path|
+          user_prompt = Dir.glob("#{prompt_path}/user*.txt").map do |path|
             { "role" => "user", "content" => File.read(path) }
           end
 

lib/llm_eval_ruby/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module LlmEvalRuby
-  VERSION = "0.2.6"
+  VERSION = "0.2.7"
 end

spec/llm_eval_ruby_spec.rb

@@ -2,6 +2,6 @@
 
 RSpec.describe LlmEvalRuby do
   it "has a version number" do
-    expect(LlmEvalRuby::VERSION).to be("0.2.6")
+    expect(LlmEvalRuby::VERSION).to be("0.2.7")
   end
 end