feat: new Captain Editor (#13235)

Co-authored-by: Aakash Bakhle <48802744+aakashb95@users.noreply.github.com>
Co-authored-by: Vishnu Narayanan <iamwishnu@gmail.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: iamsivin <iamsivin@gmail.com>
Co-authored-by: aakashb95 <aakashbakhle@gmail.com>

enterprise/app/controllers/api/v1/accounts/captain/tasks_controller.rb

@@ -0,0 +1,71 @@
+class Api::V1::Accounts::Captain::TasksController < Api::V1::Accounts::BaseController
+  before_action :check_authorization
+
+  def rewrite
+    result = Captain::RewriteService.new(
+      account: Current.account,
+      content: params[:content],
+      operation: params[:operation],
+      conversation_display_id: params[:conversation_display_id]
+    ).perform
+
+    render_result(result)
+  end
+
+  def summarize
+    result = Captain::SummaryService.new(
+      account: Current.account,
+      conversation_display_id: params[:conversation_display_id]
+    ).perform
+
+    render_result(result)
+  end
+
+  def reply_suggestion
+    result = Captain::ReplySuggestionService.new(
+      account: Current.account,
+      conversation_display_id: params[:conversation_display_id],
+      user: Current.user
+    ).perform
+
+    render_result(result)
+  end
+
+  def label_suggestion
+    result = Captain::LabelSuggestionService.new(
+      account: Current.account,
+      conversation_display_id: params[:conversation_display_id]
+    ).perform
+
+    render_result(result)
+  end
+
+  def follow_up
+    result = Captain::FollowUpService.new(
+      account: Current.account,
+      follow_up_context: params[:follow_up_context]&.to_unsafe_h,
+      user_message: params[:message],
+      conversation_display_id: params[:conversation_display_id]
+    ).perform
+
+    render_result(result)
+  end
+
+  private
+
+  def render_result(result)
+    if result.nil?
+      render json: { message: nil }
+    elsif result[:error]
+      render json: { error: result[:error] }, status: :unprocessable_entity
+    else
+      response_data = { message: result[:message] }
+      response_data[:follow_up_context] = result[:follow_up_context] if result[:follow_up_context]
+      render json: response_data
+    end
+  end
+
+  def check_authorization
+    authorize(:'captain/tasks')
+  end
+end