Add cache when translating to commands

app/models/command/ai/translator.rb

@@ -8,12 +8,16 @@ class Command::Ai::Translator
   end
 
   def as_normalized_json(query)
-    response = chat.ask query
+    response = Rails.cache.fetch(cache_key_for(query)) { chat.ask query }
     Rails.logger.info "*** Commands: #{response.content}"
     compact JSON.parse(response.content)
   end
 
   private
+    def cache_key_for(query)
+      "command_translator:#{user.id}:#{query}:#{context_description}"
+    end
+
     def chat
       chat = ::RubyLLM.chat
       chat.with_instructions(prompt)