FIX: when creating an llm we were not creating user (#685)

This meant that if you toggle ai user early it surprisingly did
not work.

Also remove safety settings from gemini, it is overly cautious

app/models/llm_model.rb

@@ -7,6 +7,7 @@ class LlmModel < ActiveRecord::Base
   belongs_to :user
 
   validates :url, exclusion: { in: [RESERVED_VLLM_SRV_URL] }
+  before_save :toggle_companion_user_before_save
 
   def self.enable_or_disable_srv_llm!
     srv_model = find_by(url: RESERVED_VLLM_SRV_URL)
@@ -27,6 +28,10 @@ class LlmModel < ActiveRecord::Base
     end
   end
 
+  def toggle_companion_user_before_save
+    toggle_companion_user if enabled_chat_bot_changed? || new_record?
+  end
+
   def toggle_companion_user
     return if name == "fake" && Rails.env.production?
 

lib/completions/endpoints/gemini.rb

@@ -23,7 +23,15 @@ module DiscourseAi
         end
 
         def default_options
-          { generationConfig: {} }
+          # the default setting is a problem, it blocks too much
+          categories = %w[HARASSMENT SEXUALLY_EXPLICIT HATE_SPEECH DANGEROUS_CONTENT]
+
+          safety_settings =
+            categories.map do |category|
+              { category: "HARM_CATEGORY_#{category}", threshold: "BLOCK_NONE" }
+            end
+
+          { generationConfig: {}, safetySettings: safety_settings }
         end
 
         def normalize_model_params(model_params)

spec/lib/completions/endpoints/gemini_spec.rb

@@ -177,6 +177,12 @@ RSpec.describe DiscourseAi::Completions::Endpoints::Gemini do
     expected_prompt = {
       "generationConfig" => {
       },
+      "safetySettings" => [
+        { "category" => "HARM_CATEGORY_HARASSMENT", "threshold" => "BLOCK_NONE" },
+        { "category" => "HARM_CATEGORY_SEXUALLY_EXPLICIT", "threshold" => "BLOCK_NONE" },
+        { "category" => "HARM_CATEGORY_HATE_SPEECH", "threshold" => "BLOCK_NONE" },
+        { "category" => "HARM_CATEGORY_DANGEROUS_CONTENT", "threshold" => "BLOCK_NONE" },
+      ],
       "contents" => [
         {
           "role" => "user",

spec/system/llms/ai_llm_spec.rb

@@ -4,6 +4,8 @@ RSpec.describe "Admin dashboard", type: :system do
   fab!(:admin)
 
   it "correctly sets defaults" do
+    SiteSetting.ai_bot_enabled = true
+
     sign_in(admin)
 
     visit "/admin/plugins/discourse-ai/ai-llms"
@@ -18,6 +20,8 @@ RSpec.describe "Admin dashboard", type: :system do
     find(".ai-llm-editor__next").click()
     find("input.ai-llm-editor__api-key").fill_in(with: "abcd")
 
+    PageObjects::Components::DToggleSwitch.new(".ai-llm-editor__enabled-chat-bot").toggle
+
     find(".ai-llm-editor__save").click()
 
     expect(page).to have_current_path("/admin/plugins/discourse-ai/ai-llms")
@@ -35,5 +39,6 @@ RSpec.describe "Admin dashboard", type: :system do
     expect(llm.max_prompt_tokens.to_i).to eq(model_preset[:tokens])
     expect(llm.provider).to eq("anthropic")
     expect(llm.display_name).to eq(model_preset[:display_name])
+    expect(llm.user_id).not_to be_nil
   end
 end