Initial commit: Add logistics and order_detail message types

- Add Logistics component with progress tracking
- Add OrderDetail component for order information
- Support data-driven steps and actions
- Add blue color scale to widget SCSS
- Fix node overflow and progress bar rendering issues
- Add English translations for dashboard components

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

app/services/auto_assignment/rate_limiter.rb

@@ -0,0 +1,49 @@
+class AutoAssignment::RateLimiter
+  pattr_initialize [:inbox!, :agent!]
+
+  def within_limit?
+    return true unless enabled?
+
+    current_count < limit
+  end
+
+  def track_assignment(conversation)
+    return unless enabled?
+
+    assignment_key = build_assignment_key(conversation.id)
+    Redis::Alfred.set(assignment_key, conversation.id.to_s, ex: window)
+  end
+
+  def current_count
+    return 0 unless enabled?
+
+    pattern = assignment_key_pattern
+    Redis::Alfred.keys_count(pattern)
+  end
+
+  private
+
+  def enabled?
+    limit.present? && limit.positive?
+  end
+
+  def limit
+    config&.fair_distribution_limit&.to_i || Math
+  end
+
+  def window
+    config&.fair_distribution_window&.to_i || 24.hours.to_i
+  end
+
+  def config
+    @config ||= inbox.assignment_policy
+  end
+
+  def assignment_key_pattern
+    format(Redis::RedisKeys::ASSIGNMENT_KEY_PATTERN, inbox_id: inbox.id, agent_id: agent.id)
+  end
+
+  def build_assignment_key(conversation_id)
+    format(Redis::RedisKeys::ASSIGNMENT_KEY, inbox_id: inbox.id, agent_id: agent.id, conversation_id: conversation_id)
+  end
+end