FIX: resource_url replacement in Persona's system prompt

lib/personas/bot_context.rb

@@ -50,6 +50,7 @@ def initialize(
         @site_description = site_description
         @time = time
         @feature_name = feature_name
+        @resource_url = resource_url
 
         if post
           @post_id = post.id

spec/lib/personas/persona_spec.rb

@@ -15,6 +15,7 @@ def system_prompt
       {site_description}
       {participants}
       {time}
+      {resource_url}
     PROMPT
   end
 end
@@ -35,13 +36,16 @@ def system_prompt
     AiPersona.persona_cache.flush!
   end
 
+  let(:resource_url) { "https://path-to-resource" }
+
   let(:context) do
     DiscourseAi::Personas::BotContext.new(
       site_url: Discourse.base_url,
       site_title: "test site title",
       site_description: "test site description",
       time: Time.zone.now,
       participants: topic_with_users.allowed_users.map(&:username).join(", "),
+      resource_url: resource_url,
     )
   end
 
@@ -60,6 +64,7 @@ def system_prompt
     expect(system_message).to include("test site description")
     expect(system_message).to include("joe, jane")
     expect(system_message).to include(Time.zone.now.to_s)
+    expect(system_message).to include(resource_url)
 
     tools = rendered.tools