diff --git a/enterprise/app/helpers/captain/chat_helper.rb b/enterprise/app/helpers/captain/chat_helper.rb
index 2734e510e..d5ac6df33 100644
--- a/enterprise/app/helpers/captain/chat_helper.rb
+++ b/enterprise/app/helpers/captain/chat_helper.rb
@@ -53,15 +53,13 @@ module Captain::ChatHelper
     chat.on_end_message { |message| record_llm_generation(chat, message) }
     chat.on_tool_call { |tool_call| handle_tool_call(tool_call) }
     chat.on_tool_result { |result| handle_tool_result(result) }
-
     chat
   end
 
   def handle_tool_call(tool_call)
     persist_thinking_message(tool_call)
     start_tool_span(tool_call)
-    @pending_tool_calls ||= []
-    @pending_tool_calls.push(tool_call)
+    (@pending_tool_calls ||= []).push(tool_call)
   end
 
   def handle_tool_result(result)
@@ -87,8 +85,9 @@ module Captain::ChatHelper
       messages: chat ? chat.messages.map { |m| { role: m.role.to_s, content: m.content.to_s } } : @messages,
       temperature: temperature,
       metadata: {
-        assistant_id: @assistant&.id
-      }
+        assistant_id: @assistant&.id,
+        channel_type: resolved_channel_type
+      }.compact
     }
   end
 
@@ -104,6 +103,10 @@ module Captain::ChatHelper
     @account&.id || @assistant&.account_id
   end
 
+  def resolved_channel_type
+    Conversation.find_by(account_id: resolved_account_id, display_id: @conversation_id)&.inbox&.channel_type if @conversation_id
+  end
+
   # Ensures all LLM calls and tool executions within an agentic loop
   # are grouped under a single trace/session in Langfuse.
   #
@@ -127,10 +130,7 @@ module Captain::ChatHelper
   end
 
   def log_chat_completion_request
-    Rails.logger.info(
-      "#{self.class.name} Assistant: #{@assistant.id}, Requesting chat completion
-      for messages #{@messages} with #{@tools&.length || 0} tools
-      "
-    )
+    Rails.logger.info("#{self.class.name} Assistant: #{@assistant.id}, Requesting chat completion " \
+                      "for messages #{@messages} with #{@tools&.length || 0} tools")
   end
 end
diff --git a/enterprise/app/services/captain/assistant/agent_runner_service.rb b/enterprise/app/services/captain/assistant/agent_runner_service.rb
index c832da93e..9aeee605f 100644
--- a/enterprise/app/services/captain/assistant/agent_runner_service.rb
+++ b/enterprise/app/services/captain/assistant/agent_runner_service.rb
@@ -114,6 +114,7 @@ class Captain::Assistant::AgentRunnerService
 
     if @conversation
       state[:conversation] = @conversation.attributes.symbolize_keys.slice(*CONVERSATION_STATE_ATTRIBUTES)
+      state[:channel_type] = @conversation.inbox&.channel_type
       state[:contact] = @conversation.contact.attributes.symbolize_keys.slice(*CONTACT_STATE_ATTRIBUTES) if @conversation.contact
     end
 
@@ -151,7 +152,8 @@ class Captain::Assistant::AgentRunnerService
       ATTR_LANGFUSE_USER_ID => state[:account_id],
       format(ATTR_LANGFUSE_METADATA, 'assistant_id') => state[:assistant_id],
       format(ATTR_LANGFUSE_METADATA, 'conversation_id') => conversation[:id],
-      format(ATTR_LANGFUSE_METADATA, 'conversation_display_id') => conversation[:display_id]
+      format(ATTR_LANGFUSE_METADATA, 'conversation_display_id') => conversation[:display_id],
+      format(ATTR_LANGFUSE_METADATA, 'channel_type') => state[:channel_type]
     }.compact.transform_values(&:to_s)
   end
 
diff --git a/spec/enterprise/services/captain/assistant/agent_runner_service_spec.rb b/spec/enterprise/services/captain/assistant/agent_runner_service_spec.rb
index bbf712622..c3019b82c 100644
--- a/spec/enterprise/services/captain/assistant/agent_runner_service_spec.rb
+++ b/spec/enterprise/services/captain/assistant/agent_runner_service_spec.rb
@@ -278,6 +278,7 @@ RSpec.describe Captain::Assistant::AgentRunnerService do
         contact_id: contact.id,
         status: conversation.status
       )
+      expect(state[:channel_type]).to eq(inbox.channel_type)
     end
 
     it 'includes contact attributes when contact is present' do
diff --git a/spec/enterprise/services/captain/llm/assistant_chat_service_spec.rb b/spec/enterprise/services/captain/llm/assistant_chat_service_spec.rb
index bc4ff0b63..4711e5f7e 100644
--- a/spec/enterprise/services/captain/llm/assistant_chat_service_spec.rb
+++ b/spec/enterprise/services/captain/llm/assistant_chat_service_spec.rb
@@ -28,6 +28,19 @@ RSpec.describe Captain::Llm::AssistantChatService do
     allow(mock_chat).to receive(:messages).and_return([])
   end
 
+  describe 'instrumentation metadata' do
+    it 'passes channel_type to the agent session instrumentation' do
+      service = described_class.new(assistant: assistant, conversation_id: conversation.display_id)
+
+      expect(service).to receive(:instrument_agent_session).with(
+        hash_including(metadata: hash_including(channel_type: conversation.inbox.channel_type))
+      ).and_yield
+
+      allow(mock_chat).to receive(:ask).and_return(mock_response)
+      service.generate_response(message_history: [{ role: 'user', content: 'Hello' }])
+    end
+  end
+
   describe 'image analysis' do
     context 'when user sends a message with an image attachment' do
       let(:message_history) do