diff --git a/config/settings.yml b/config/settings.yml
index 61067bc4..dbcabbb8 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -65,7 +65,7 @@ plugins:
      - sentiment
      - emotion
   
-  ai_nsfw_live_detection_enabled: false
+  ai_nsfw_detection_enabled: false
   ai_nsfw_inference_service_api_endpoint:
     default: ""
   ai_nsfw_inference_service_api_key:
diff --git a/lib/modules/nsfw/entry_point.rb b/lib/modules/nsfw/entry_point.rb
index a2921feb..11cda25e 100644
--- a/lib/modules/nsfw/entry_point.rb
+++ b/lib/modules/nsfw/entry_point.rb
@@ -4,14 +4,20 @@ module DiscourseAI
   module NSFW
     class EntryPoint
       def load_files
-        require_relative "evaluation.rb"
-        require_relative "jobs/regular/evaluate_content.rb"
+        require_relative "evaluation"
+        require_relative "jobs/regular/evaluate_post_uploads"
       end
 
       def inject_into(plugin)
-        plugin.add_model_callback(Upload, :after_create) do
-          Jobs.enqueue(:evaluate_content, upload_id: self.id)
-        end
+        nsfw_detection_cb =
+          Proc.new do |post|
+            if SiteSetting.ai_nsfw_detection_enabled
+              Jobs.enqueue(:evaluate_post_uploads, post_id: post.id)
+            end
+          end
+
+        plugin.on(:post_created, &nsfw_detection_cb)
+        plugin.on(:post_edited, &nsfw_detection_cb)
       end
     end
   end
diff --git a/lib/modules/nsfw/jobs/regular/evaluate_content.rb b/lib/modules/nsfw/jobs/regular/evaluate_post_uploads.rb
similarity index 90%
rename from lib/modules/nsfw/jobs/regular/evaluate_content.rb
rename to lib/modules/nsfw/jobs/regular/evaluate_post_uploads.rb
index 4976df83..ecdd0497 100644
--- a/lib/modules/nsfw/jobs/regular/evaluate_content.rb
+++ b/lib/modules/nsfw/jobs/regular/evaluate_post_uploads.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 module Jobs
-  class EvaluateContent < ::Jobs::Base
+  class EvaluatePostUploads < ::Jobs::Base
     def execute(args)
       upload = Upload.find_by_id(args[:upload_id])
 
diff --git a/lib/modules/sentiment/entry_point.rb b/lib/modules/sentiment/entry_point.rb
index 2bba0f99..286b9dd6 100644
--- a/lib/modules/sentiment/entry_point.rb
+++ b/lib/modules/sentiment/entry_point.rb
@@ -3,8 +3,8 @@ module DiscourseAI
   module Sentiment
     class EntryPoint
       def load_files
-        require_relative "post_classifier.rb"
-        require_relative "jobs/regular/post_sentiment_analysis.rb"
+        require_relative "post_classifier"
+        require_relative "jobs/regular/post_sentiment_analysis"
       end
 
       def inject_into(plugin)
diff --git a/lib/modules/sentiment/post_classifier.rb b/lib/modules/sentiment/post_classifier.rb
index 72901592..301da2a2 100644
--- a/lib/modules/sentiment/post_classifier.rb
+++ b/lib/modules/sentiment/post_classifier.rb
@@ -3,10 +3,6 @@
 module ::DiscourseAI
   module Sentiment
     class PostClassifier
-      SENTIMENT_LABELS = %w[anger disgust fear joy neutral sadness surprise]
-
-      SENTIMENT_LABELS = %w[negative neutral positive]
-
       def classify!(post)
         available_models.each do |model|
           classification = request_classification(post, model)
diff --git a/lib/modules/toxicity/chat_message_classifier.rb b/lib/modules/toxicity/chat_message_classifier.rb
index cb6b0898..f36f5b9f 100644
--- a/lib/modules/toxicity/chat_message_classifier.rb
+++ b/lib/modules/toxicity/chat_message_classifier.rb
@@ -3,25 +3,27 @@
 module ::DiscourseAI
   module Toxicity
     class ChatMessageClassifier < Classifier
-      def content
-        @object.message
+      private
+
+      def content(chat_message)
+        chat_message.message
       end
 
-      def store_classification
+      def store_classification(chat_message, classification)
         PluginStore.set(
           "toxicity",
-          "chat_message_#{@object.id}",
+          "chat_message_#{chat_message.id}",
           {
-            classification: @classification,
+            classification: classification,
             model: SiteSetting.ai_toxicity_inference_service_api_model,
             date: Time.now.utc,
           },
         )
       end
 
-      def flag!
+      def flag!(chat_message, _toxic_labels)
         Chat::ChatReviewQueue.new.flag_message(
-          @object,
+          chat_message,
           Guardian.new(flagger),
           ReviewableScore.types[:inappropriate],
         )
diff --git a/lib/modules/toxicity/classifier.rb b/lib/modules/toxicity/classifier.rb
index ba8ca7e0..5a5e6fdf 100644
--- a/lib/modules/toxicity/classifier.rb
+++ b/lib/modules/toxicity/classifier.rb
@@ -13,47 +13,53 @@ module ::DiscourseAI
         sexual_explicit
       ]
 
-      def initialize(object)
-        @object = object
+      def classify!(target)
+        classification = request_classification(target)
+
+        store_classification(target, classification)
+
+        toxic_labels = filter_toxic_labels(classification)
+
+        flag!(target, toxic_labels) if should_flag_based_on?(toxic_labels)
       end
 
-      def content
+      protected
+
+      def flag!(_target, _toxic_labels)
+        raise NotImplemented
       end
 
-      def classify!
-        @classification =
-          ::DiscourseAI::InferenceManager.perform!(
-            "#{SiteSetting.ai_toxicity_inference_service_api_endpoint}/api/v1/classify",
-            SiteSetting.ai_toxicity_inference_service_api_model,
-            content,
-            SiteSetting.ai_toxicity_inference_service_api_key,
-          )
-        store_classification
-        consider_flagging
+      def store_classification(_target, _classification)
+        raise NotImplemented
       end
 
-      def store_classification
-      end
-
-      def automatic_flag_enabled?
-        SiteSetting.ai_toxicity_flag_automatically
-      end
-
-      def consider_flagging
-        return unless automatic_flag_enabled?
-        @reasons =
-          CLASSIFICATION_LABELS.filter do |label|
-            @classification[label] >= SiteSetting.send("ai_toxicity_flag_threshold_#{label}")
-          end
-
-        flag! unless @reasons.empty?
+      def content(_target)
+        raise NotImplemented
       end
 
       def flagger
-        User.find_by(id: -1)
+        Discourse.system_user
       end
 
-      def flag!
+      private
+
+      def request_classification(target)
+        ::DiscourseAI::InferenceManager.perform!(
+          "#{SiteSetting.ai_toxicity_inference_service_api_endpoint}/api/v1/classify",
+          SiteSetting.ai_toxicity_inference_service_api_model,
+          content(target),
+          SiteSetting.ai_toxicity_inference_service_api_key,
+        )
+      end
+
+      def filter_toxic_labels(classification)
+        CLASSIFICATION_LABELS.filter do |label|
+          classification[label] >= SiteSetting.send("ai_toxicity_flag_threshold_#{label}")
+        end
+      end
+
+      def should_flag_based_on?(toxic_labels)
+        SiteSetting.ai_toxicity_flag_automatically && toxic_labels.present?
       end
     end
   end
diff --git a/lib/modules/toxicity/entry_point.rb b/lib/modules/toxicity/entry_point.rb
index c207a362..b628ac2c 100644
--- a/lib/modules/toxicity/entry_point.rb
+++ b/lib/modules/toxicity/entry_point.rb
@@ -3,31 +3,26 @@ module DiscourseAI
   module Toxicity
     class EntryPoint
       def load_files
-        require_relative "event_handler.rb"
-        require_relative "classifier.rb"
-        require_relative "post_classifier.rb"
-        require_relative "chat_message_classifier.rb"
+        require_relative "scan_queue"
+        require_relative "classifier"
+        require_relative "post_classifier"
+        require_relative "chat_message_classifier"
 
-        require_relative "jobs/regular/toxicity_classify_post.rb"
-        require_relative "jobs/regular/toxicity_classify_chat_message.rb"
+        require_relative "jobs/regular/toxicity_classify_post"
+        require_relative "jobs/regular/toxicity_classify_chat_message"
       end
 
       def inject_into(plugin)
-        plugin.on(:post_created) do |post|
-          DiscourseAI::Toxicity::EventHandler.handle_post_async(post)
-        end
+        post_analysis_cb = Proc.new { |post| DiscourseAI::Toxicity::ScanQueue.enqueue_post(post) }
 
-        plugin.on(:post_edited) do |post|
-          DiscourseAI::Toxicity::EventHandler.handle_post_async(post)
-        end
+        plugin.on(:post_created, &post_analysis_cb)
+        plugin.on(:post_edited, &post_analysis_cb)
 
-        plugin.on(:chat_message_created) do |chat_message|
-          DiscourseAI::Toxicity::EventHandler.handle_chat_async(chat_message)
-        end
+        chat_message_analysis_cb =
+          Proc.new { |message| DiscourseAI::Toxicity::ScanQueue.enqueue_chat_message(message) }
 
-        plugin.on(:chat_message_edited) do |chat_message|
-          DiscourseAI::Toxicity::EventHandler.handle_chat_async(chat_message)
-        end
+        plugin.on(:chat_message_created, &chat_message_analysis_cb)
+        plugin.on(:chat_message_edited, &chat_message_analysis_cb)
       end
     end
   end
diff --git a/lib/modules/toxicity/jobs/regular/toxicity_classify_chat_message.rb b/lib/modules/toxicity/jobs/regular/toxicity_classify_chat_message.rb
index ecd6b11a..5c316456 100644
--- a/lib/modules/toxicity/jobs/regular/toxicity_classify_chat_message.rb
+++ b/lib/modules/toxicity/jobs/regular/toxicity_classify_chat_message.rb
@@ -1,17 +1,16 @@
 # frozen_string_literal: true
 
 module ::Jobs
-  class ClassifyChatMessage < ::Jobs::Base
+  class ToxicityClassifyChatMessage < ::Jobs::Base
     def execute(args)
       return unless SiteSetting.ai_toxicity_enabled
 
-      chat_message_id = args[:chat_message_id]
-      return if chat_message_id.blank?
+      return if (chat_message_id = args[:chat_message_id]).blank?
 
       chat_message = ChatMessage.find_by(id: chat_message_id)
       return if chat_message&.message.blank?
 
-      ::DiscourseAI::Toxicity::ChatMessageClassifier.new(chat_message).classify!
+      ::DiscourseAI::Toxicity::ChatMessageClassifier.new.classify!(chat_message)
     end
   end
 end
diff --git a/lib/modules/toxicity/jobs/regular/toxicity_classify_post.rb b/lib/modules/toxicity/jobs/regular/toxicity_classify_post.rb
index bbb90447..01f1d946 100644
--- a/lib/modules/toxicity/jobs/regular/toxicity_classify_post.rb
+++ b/lib/modules/toxicity/jobs/regular/toxicity_classify_post.rb
@@ -8,10 +8,10 @@ module ::Jobs
       post_id = args[:post_id]
       return if post_id.blank?
 
-      post = Post.find_by(id: post_id, post_type: Post.types[:regular])
+      post = Post.includes(:user).find_by(id: post_id, post_type: Post.types[:regular])
       return if post&.raw.blank?
 
-      ::DiscourseAI::Toxicity::PostClassifier.new(post).classify!
+      ::DiscourseAI::Toxicity::PostClassifier.new.classify!(post)
     end
   end
 end
diff --git a/lib/modules/toxicity/post_classifier.rb b/lib/modules/toxicity/post_classifier.rb
index 02e1994d..65413a4c 100644
--- a/lib/modules/toxicity/post_classifier.rb
+++ b/lib/modules/toxicity/post_classifier.rb
@@ -3,23 +3,25 @@
 module ::DiscourseAI
   module Toxicity
     class PostClassifier < Classifier
-      def content
-        object.post_number == 1 ? "#{object.topic.title}\n#{object.raw}" : object.raw
+      private
+
+      def content(post)
+        post.post_number == 1 ? "#{post.topic.title}\n#{post.raw}" : post.raw
       end
 
-      def store_classification
+      def store_classification(post, classification)
         PostCustomField.create!(
-          post_id: @object.id,
+          post_id: post.id,
           name: "toxicity",
           value: {
-            classification: @classification,
+            classification: classification,
             model: SiteSetting.ai_toxicity_inference_service_api_model,
           }.to_json,
         )
       end
 
-      def flag!
-        DiscourseAI::FlagManager.new(@object, reasons: @reasons).flag!
+      def flag!(target, toxic_labels)
+        ::DiscourseAI::FlagManager.new(target, reasons: toxic_labels).flag!
       end
     end
   end
diff --git a/lib/modules/toxicity/event_handler.rb b/lib/modules/toxicity/scan_queue.rb
similarity index 73%
rename from lib/modules/toxicity/event_handler.rb
rename to lib/modules/toxicity/scan_queue.rb
index fd78c024..c890f3f6 100644
--- a/lib/modules/toxicity/event_handler.rb
+++ b/lib/modules/toxicity/scan_queue.rb
@@ -2,14 +2,14 @@
 
 module ::DiscourseAI
   module Toxicity
-    class EventHandler
+    class ScanQueue
       class << self
-        def handle_post_async(post)
+        def enqueue_post(post)
           return if bypass?(post)
           Jobs.enqueue(:toxicity_classify_post, post_id: post.id)
         end
 
-        def handle_chat_async(chat_message)
+        def enqueue_chat_message(chat_message)
           return if bypass?(chat_message)
           Jobs.enqueue(:toxicity_classify_chat_message, chat_message_id: chat_message.id)
         end
@@ -19,7 +19,7 @@ module ::DiscourseAI
         end
 
         def group_bypass?(user)
-          user.groups.pluck(:id).intersection(SiteSetting.disorder_groups_bypass_map).present?
+          user.groups.pluck(:id).intersection(SiteSetting.ai_toxicity_groups_bypass_map).present?
         end
       end
     end
diff --git a/plugin.rb b/plugin.rb
index 39b2f35c..0330d805 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -9,13 +9,18 @@
 
 enabled_site_setting :discourse_ai_enabled
 
-require_relative "lib/shared/inference_manager"
-
-require_relative "lib/modules/nsfw/entry_point"
-require_relative "lib/modules/toxicity/entry_point"
-require_relative "lib/modules/sentiment/entry_point"
-
 after_initialize do
+  module ::DiscourseAI
+    PLUGIN_NAME = "discourse-ai"
+  end
+
+  require_relative "lib/shared/inference_manager"
+  require_relative "lib/shared/flag_manager"
+
+  require_relative "lib/modules/nsfw/entry_point"
+  require_relative "lib/modules/toxicity/entry_point"
+  require_relative "lib/modules/sentiment/entry_point"
+
   modules = [
     DiscourseAI::NSFW::EntryPoint.new,
     DiscourseAI::Toxicity::EntryPoint.new,
@@ -26,8 +31,4 @@ after_initialize do
     a_module.load_files
     a_module.inject_into(self)
   end
-
-  module ::DiscourseAI
-    PLUGIN_NAME = "discourse-ai"
-  end
 end
diff --git a/spec/lib/modules/nsfw/entry_point_spec.rb b/spec/lib/modules/nsfw/entry_point_spec.rb
new file mode 100644
index 00000000..8a454121
--- /dev/null
+++ b/spec/lib/modules/nsfw/entry_point_spec.rb
@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe DiscourseAI::NSFW::EntryPoint do
+  fab!(:user) { Fabricate(:user) }
+
+  describe "registering event callbacks" do
+    context "when creating a post" do
+      let(:creator) do
+        PostCreator.new(
+          user,
+          raw: "this is the new content for my topic",
+          title: "this is my new topic title",
+        )
+      end
+
+      it "queues a job on create if sentiment analysis is enabled" do
+        SiteSetting.ai_nsfw_detection_enabled = true
+
+        expect { creator.create }.to change(Jobs::EvaluatePostUploads.jobs, :size).by(1)
+      end
+
+      it "does nothing if sentiment analysis is disabled" do
+        SiteSetting.ai_nsfw_detection_enabled = false
+
+        expect { creator.create }.not_to change(Jobs::EvaluatePostUploads.jobs, :size)
+      end
+    end
+
+    context "when editing a post" do
+      fab!(:post) { Fabricate(:post, user: user) }
+      let(:revisor) { PostRevisor.new(post) }
+
+      it "queues a job on update if sentiment analysis is enabled" do
+        SiteSetting.ai_nsfw_detection_enabled = true
+
+        expect { revisor.revise!(user, raw: "This is my new test") }.to change(
+          Jobs::EvaluatePostUploads.jobs,
+          :size,
+        ).by(1)
+      end
+
+      it "does nothing if sentiment analysis is disabled" do
+        SiteSetting.ai_nsfw_detection_enabled = false
+
+        expect { revisor.revise!(user, raw: "This is my new test") }.not_to change(
+          Jobs::EvaluatePostUploads.jobs,
+          :size,
+        )
+      end
+    end
+  end
+end
diff --git a/spec/lib/modules/nsfw/evaluation_spec.rb b/spec/lib/modules/nsfw/evaluation_spec.rb
index 320f932d..c5d36b9c 100644
--- a/spec/lib/modules/nsfw/evaluation_spec.rb
+++ b/spec/lib/modules/nsfw/evaluation_spec.rb
@@ -6,7 +6,7 @@ require_relative "../../../support/nsfw_inference_stubs"
 describe DiscourseAI::NSFW::Evaluation do
   before do
     SiteSetting.ai_nsfw_inference_service_api_endpoint = "http://test.com"
-    SiteSetting.ai_nsfw_live_detection_enabled = true
+    SiteSetting.ai_nsfw_detection_enabled = true
   end
 
   fab!(:image) { Fabricate(:s3_image_upload) }
diff --git a/spec/lib/modules/nsfw/jobs/regular/evaluate_content_spec.rb b/spec/lib/modules/nsfw/jobs/regular/evaluate_post_uploads.rb
similarity index 95%
rename from spec/lib/modules/nsfw/jobs/regular/evaluate_content_spec.rb
rename to spec/lib/modules/nsfw/jobs/regular/evaluate_post_uploads.rb
index 3e7e1cf2..ec80c3ef 100644
--- a/spec/lib/modules/nsfw/jobs/regular/evaluate_content_spec.rb
+++ b/spec/lib/modules/nsfw/jobs/regular/evaluate_post_uploads.rb
@@ -3,7 +3,7 @@
 require "rails_helper"
 require_relative "../../../../../support/nsfw_inference_stubs"
 
-describe Jobs::EvaluateContent do
+describe Jobs::EvaluatePostUploads do
   fab!(:image) { Fabricate(:s3_image_upload) }
 
   describe "#execute" do
diff --git a/spec/lib/modules/toxicity/chat_message_classifier_spec.rb b/spec/lib/modules/toxicity/chat_message_classifier_spec.rb
new file mode 100644
index 00000000..a40f9842
--- /dev/null
+++ b/spec/lib/modules/toxicity/chat_message_classifier_spec.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+require_relative "../../../support/toxicity_inference_stubs"
+
+describe DiscourseAI::Toxicity::ChatMessageClassifier do
+  before { SiteSetting.ai_toxicity_flag_automatically = true }
+
+  fab!(:chat_message) { Fabricate(:chat_message) }
+
+  describe "#classify!" do
+    it "creates a reviewable when the post is classified as toxic" do
+      ToxicityInferenceStubs.stub_chat_message_classification(chat_message, toxic: true)
+
+      subject.classify!(chat_message)
+
+      expect(ReviewableChatMessage.where(target: chat_message).count).to eq(1)
+    end
+
+    it "doesn't create a reviewable if the post is not classified as toxic" do
+      ToxicityInferenceStubs.stub_chat_message_classification(chat_message, toxic: false)
+
+      subject.classify!(chat_message)
+
+      expect(ReviewableChatMessage.where(target: chat_message).count).to be_zero
+    end
+
+    it "doesn't create a reviewable if flagging is disabled" do
+      SiteSetting.ai_toxicity_flag_automatically = false
+      ToxicityInferenceStubs.stub_chat_message_classification(chat_message, toxic: true)
+
+      subject.classify!(chat_message)
+
+      expect(ReviewableChatMessage.where(target: chat_message).count).to be_zero
+    end
+
+    it "stores the classification in a custom field" do
+      ToxicityInferenceStubs.stub_chat_message_classification(chat_message, toxic: false)
+
+      subject.classify!(chat_message)
+      store_row = PluginStore.get("toxicity", "chat_message_#{chat_message.id}").deep_symbolize_keys
+
+      expect(store_row[:classification]).to eq(ToxicityInferenceStubs.civilized_response)
+      expect(store_row[:model]).to eq(SiteSetting.ai_toxicity_inference_service_api_model)
+      expect(store_row[:date]).to be_present
+    end
+  end
+end
diff --git a/spec/lib/modules/toxicity/entry_point_spec.rb b/spec/lib/modules/toxicity/entry_point_spec.rb
new file mode 100644
index 00000000..1c7eecfb
--- /dev/null
+++ b/spec/lib/modules/toxicity/entry_point_spec.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe DiscourseAI::Toxicity::EntryPoint do
+  fab!(:user) { Fabricate(:user) }
+
+  describe "registering event callbacks" do
+    before { SiteSetting.ai_toxicity_enabled = true }
+
+    context "when creating a post" do
+      let(:creator) do
+        PostCreator.new(
+          user,
+          raw: "this is the new content for my topic",
+          title: "this is my new topic title",
+        )
+      end
+
+      it "queues a job on post creation" do
+        SiteSetting.ai_toxicity_enabled = true
+
+        expect { creator.create }.to change(Jobs::ToxicityClassifyPost.jobs, :size).by(1)
+      end
+    end
+
+    context "when editing a post" do
+      fab!(:post) { Fabricate(:post, user: user) }
+      let(:revisor) { PostRevisor.new(post) }
+
+      it "queues a job on post update" do
+        expect { revisor.revise!(user, raw: "This is my new test") }.to change(
+          Jobs::ToxicityClassifyPost.jobs,
+          :size,
+        ).by(1)
+      end
+    end
+
+    context "when creating a chat message" do
+      let(:public_chat_channel) { Fabricate(:chat_channel) }
+      let(:creator) do
+        Chat::ChatMessageCreator.new(
+          chat_channel: public_chat_channel,
+          user: user,
+          content: "This is my new test",
+        )
+      end
+
+      it "queues a job when creating a chat message" do
+        expect { creator.create }.to change(Jobs::ToxicityClassifyChatMessage.jobs, :size).by(1)
+      end
+    end
+
+    context "when editing a chat message" do
+      let(:chat_message) { Fabricate(:chat_message) }
+      let(:updater) do
+        Chat::ChatMessageUpdater.new(
+          guardian: Guardian.new(chat_message.user),
+          chat_message: chat_message,
+          new_content: "This is my updated message",
+        )
+      end
+
+      it "queues a job on chat message update" do
+        expect { updater.update }.to change(Jobs::ToxicityClassifyChatMessage.jobs, :size).by(1)
+      end
+    end
+  end
+end
diff --git a/spec/lib/modules/toxicity/jobs/regular/toxicity_classify_chat_message_spec.rb b/spec/lib/modules/toxicity/jobs/regular/toxicity_classify_chat_message_spec.rb
new file mode 100644
index 00000000..11399b7f
--- /dev/null
+++ b/spec/lib/modules/toxicity/jobs/regular/toxicity_classify_chat_message_spec.rb
@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+require_relative "../../../../../support/toxicity_inference_stubs"
+
+describe Jobs::ToxicityClassifyChatMessage do
+  describe "#execute" do
+    before do
+      SiteSetting.ai_toxicity_enabled = true
+      SiteSetting.ai_toxicity_flag_automatically = true
+    end
+
+    fab!(:chat_message) { Fabricate(:chat_message) }
+
+    describe "scenarios where we return early without doing anything" do
+      it "does nothing when ai_toxicity_enabled is disabled" do
+        SiteSetting.ai_toxicity_enabled = false
+
+        subject.execute({ chat_message_id: chat_message.id })
+
+        expect(ReviewableChatMessage.where(target: chat_message).count).to be_zero
+      end
+
+      it "does nothing if there's no arg called post_id" do
+        subject.execute({})
+
+        expect(ReviewableChatMessage.where(target: chat_message).count).to be_zero
+      end
+
+      it "does nothing if no post match the given id" do
+        subject.execute({ chat_message_id: nil })
+
+        expect(ReviewableChatMessage.where(target: chat_message).count).to be_zero
+      end
+
+      it "does nothing if the post content is blank" do
+        chat_message.update_columns(message: "")
+
+        subject.execute({ chat_message_id: chat_message.id })
+
+        expect(ReviewableChatMessage.where(target: chat_message).count).to be_zero
+      end
+    end
+
+    it "flags the message when classified as toxic" do
+      ToxicityInferenceStubs.stub_chat_message_classification(chat_message, toxic: true)
+
+      subject.execute({ chat_message_id: chat_message.id })
+
+      expect(ReviewableChatMessage.where(target: chat_message).count).to eq(1)
+    end
+  end
+end
diff --git a/spec/lib/modules/toxicity/jobs/regular/toxicity_classify_post_spec.rb b/spec/lib/modules/toxicity/jobs/regular/toxicity_classify_post_spec.rb
new file mode 100644
index 00000000..f5bdd160
--- /dev/null
+++ b/spec/lib/modules/toxicity/jobs/regular/toxicity_classify_post_spec.rb
@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+require_relative "../../../../../support/toxicity_inference_stubs"
+
+describe Jobs::ToxicityClassifyPost do
+  describe "#execute" do
+    before do
+      SiteSetting.ai_toxicity_enabled = true
+      SiteSetting.ai_toxicity_flag_automatically = true
+    end
+
+    fab!(:post) { Fabricate(:post) }
+
+    describe "scenarios where we return early without doing anything" do
+      it "does nothing when ai_toxicity_enabled is disabled" do
+        SiteSetting.ai_toxicity_enabled = false
+
+        subject.execute({ post_id: post.id })
+
+        expect(ReviewableFlaggedPost.where(target: post).count).to be_zero
+      end
+
+      it "does nothing if there's no arg called post_id" do
+        subject.execute({})
+
+        expect(ReviewableFlaggedPost.where(target: post).count).to be_zero
+      end
+
+      it "does nothing if no post match the given id" do
+        subject.execute({ post_id: nil })
+
+        expect(ReviewableFlaggedPost.where(target: post).count).to be_zero
+      end
+
+      it "does nothing if the post content is blank" do
+        post.update_columns(raw: "")
+
+        subject.execute({ post_id: post.id })
+
+        expect(ReviewableFlaggedPost.where(target: post).count).to be_zero
+      end
+    end
+
+    it "flags the post when classified as toxic" do
+      ToxicityInferenceStubs.stub_post_classification(post, toxic: true)
+
+      subject.execute({ post_id: post.id })
+
+      expect(ReviewableFlaggedPost.where(target: post).count).to eq(1)
+    end
+  end
+end
diff --git a/spec/lib/modules/toxicity/post_classifier_spec.rb b/spec/lib/modules/toxicity/post_classifier_spec.rb
new file mode 100644
index 00000000..bc9832ce
--- /dev/null
+++ b/spec/lib/modules/toxicity/post_classifier_spec.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+require_relative "../../../support/toxicity_inference_stubs"
+
+describe DiscourseAI::Toxicity::PostClassifier do
+  before { SiteSetting.ai_toxicity_flag_automatically = true }
+
+  fab!(:post) { Fabricate(:post) }
+
+  describe "#classify!" do
+    it "creates a reviewable when the post is classified as toxic" do
+      ToxicityInferenceStubs.stub_post_classification(post, toxic: true)
+
+      subject.classify!(post)
+
+      expect(ReviewableFlaggedPost.where(target: post).count).to eq(1)
+    end
+
+    it "doesn't create a reviewable if the post is not classified as toxic" do
+      ToxicityInferenceStubs.stub_post_classification(post, toxic: false)
+
+      subject.classify!(post)
+
+      expect(ReviewableFlaggedPost.where(target: post).count).to be_zero
+    end
+
+    it "doesn't create a reviewable if flagging is disabled" do
+      SiteSetting.ai_toxicity_flag_automatically = false
+      ToxicityInferenceStubs.stub_post_classification(post, toxic: true)
+
+      subject.classify!(post)
+
+      expect(ReviewableFlaggedPost.where(target: post).count).to be_zero
+    end
+
+    it "stores the classification in a custom field" do
+      ToxicityInferenceStubs.stub_post_classification(post, toxic: false)
+
+      subject.classify!(post)
+      custom_field = PostCustomField.find_by(post: post, name: "toxicity")
+
+      expect(custom_field.value).to eq(
+        {
+          classification: ToxicityInferenceStubs.civilized_response,
+          model: SiteSetting.ai_toxicity_inference_service_api_model,
+        }.to_json,
+      )
+    end
+  end
+end
diff --git a/spec/lib/modules/toxicity/scan_queue_spec.rb b/spec/lib/modules/toxicity/scan_queue_spec.rb
new file mode 100644
index 00000000..7220b943
--- /dev/null
+++ b/spec/lib/modules/toxicity/scan_queue_spec.rb
@@ -0,0 +1,70 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe DiscourseAI::Toxicity::ScanQueue do
+  fab!(:group) { Fabricate(:group) }
+
+  before do
+    SiteSetting.ai_toxicity_enabled = true
+    SiteSetting.ai_toxicity_groups_bypass = group.id.to_s
+  end
+
+  describe "#enqueue_post" do
+    fab!(:post) { Fabricate(:post) }
+
+    it "queues a job" do
+      expect { described_class.enqueue_post(post) }.to change(
+        Jobs::ToxicityClassifyPost.jobs,
+        :size,
+      ).by(1)
+    end
+
+    it "does nothing if ai_toxicity_enabled is disabled" do
+      SiteSetting.ai_toxicity_enabled = false
+
+      expect { described_class.enqueue_post(post) }.not_to change(
+        Jobs::ToxicityClassifyPost.jobs,
+        :size,
+      )
+    end
+
+    it "does nothing if the user group is allowlisted" do
+      group.add(post.user)
+
+      expect { described_class.enqueue_post(post) }.not_to change(
+        Jobs::ToxicityClassifyPost.jobs,
+        :size,
+      )
+    end
+  end
+
+  describe "#enqueue_chat_message" do
+    fab!(:chat_message) { Fabricate(:chat_message) }
+
+    it "queues a job" do
+      expect { described_class.enqueue_chat_message(chat_message) }.to change(
+        Jobs::ToxicityClassifyChatMessage.jobs,
+        :size,
+      ).by(1)
+    end
+
+    it "does nothing if ai_toxicity_enabled is disabled" do
+      SiteSetting.ai_toxicity_enabled = false
+
+      expect { described_class.enqueue_chat_message(chat_message) }.not_to change(
+        Jobs::ToxicityClassifyChatMessage.jobs,
+        :size,
+      )
+    end
+
+    it "does nothing if the user group is allowlisted" do
+      group.add(chat_message.user)
+
+      expect { described_class.enqueue_chat_message(chat_message) }.not_to change(
+        Jobs::ToxicityClassifyChatMessage.jobs,
+        :size,
+      )
+    end
+  end
+end
diff --git a/spec/support/toxicity_inference_stubs.rb b/spec/support/toxicity_inference_stubs.rb
new file mode 100644
index 00000000..db67d7b7
--- /dev/null
+++ b/spec/support/toxicity_inference_stubs.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+class ToxicityInferenceStubs
+  class << self
+    def endpoint
+      "#{SiteSetting.ai_toxicity_inference_service_api_endpoint}/api/v1/classify"
+    end
+
+    def model
+      SiteSetting.ai_toxicity_inference_service_api_model
+    end
+
+    def toxic_response
+      {
+        toxicity: 99,
+        severe_toxicity: 1,
+        obscene: 6,
+        identity_attack: 3,
+        insult: 4,
+        threat: 8,
+        sexual_explicit: 5,
+      }
+    end
+
+    def civilized_response
+      {
+        toxicity: 2,
+        severe_toxicity: 1,
+        obscene: 6,
+        identity_attack: 3,
+        insult: 4,
+        threat: 8,
+        sexual_explicit: 5,
+      }
+    end
+
+    def stub_post_classification(post, toxic: false)
+      content = post.post_number == 1 ? "#{post.topic.title}\n#{post.raw}" : post.raw
+      response = toxic ? toxic_response : civilized_response
+
+      WebMock
+        .stub_request(:post, endpoint)
+        .with(body: JSON.dump(model: model, content: content))
+        .to_return(status: 200, body: JSON.dump(response))
+    end
+
+    def stub_chat_message_classification(chat_message, toxic: false)
+      response = toxic ? toxic_response : civilized_response
+
+      WebMock
+        .stub_request(:post, endpoint)
+        .with(body: JSON.dump(model: model, content: chat_message.message))
+        .to_return(status: 200, body: JSON.dump(response))
+    end
+  end
+end