Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/builders/year_in_review_builder.rb

@@ -0,0 +1,74 @@
+class YearInReviewBuilder
+  attr_reader :account, :user_id, :year
+
+  def initialize(account:, user_id:, year:)
+    @account = account
+    @user_id = user_id
+    @year = year
+  end
+
+  def build
+    {
+      year: year,
+      total_conversations: total_conversations_count,
+      busiest_day: busiest_day_data,
+      support_personality: support_personality_data
+    }
+  end
+
+  private
+
+  def year_range
+    @year_range ||= begin
+      start_time = Time.zone.local(year, 1, 1).beginning_of_day
+      end_time = Time.zone.local(year, 12, 31).end_of_day
+      start_time..end_time
+    end
+  end
+
+  def total_conversations_count
+    account.conversations
+           .where(assignee_id: user_id, created_at: year_range)
+           .count
+  end
+
+  def busiest_day_data
+    daily_counts = account.conversations
+                          .where(assignee_id: user_id, created_at: year_range)
+                          .group_by_day(:created_at, range: year_range, time_zone: Time.zone)
+                          .count
+
+    return nil if daily_counts.empty?
+
+    busiest_date, count = daily_counts.max_by { |_date, cnt| cnt }
+
+    return nil if count.zero?
+
+    {
+      date: busiest_date.strftime('%b %d'),
+      count: count
+    }
+  end
+
+  def support_personality_data
+    response_time = average_response_time
+
+    return { avg_response_time_seconds: 0 } if response_time.nil?
+
+    {
+      avg_response_time_seconds: response_time.to_i
+    }
+  end
+
+  def average_response_time
+    avg_time = account.reporting_events
+                      .where(
+                        name: 'first_response',
+                        user_id: user_id,
+                        created_at: year_range
+                      )
+                      .average(:value)
+
+    avg_time&.to_f
+  end
+end