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/models/application_record.rb

@@ -0,0 +1,53 @@
+class ApplicationRecord < ActiveRecord::Base
+  include Events::Types
+  self.abstract_class = true
+
+  before_validation :validates_column_content_length
+
+  # the models that exposed in email templates through liquid
+  def droppables
+    %w[Account Channel Conversation Inbox User Message]
+  end
+
+  # ModelDrop class should exist in app/drops
+  def to_drop
+    return unless droppables.include?(self.class.name)
+
+    "#{self.class.name}Drop".constantize.new(self)
+  end
+
+  private
+
+  # Generic validation for all columns of type string and text
+  # Validates the length of the column to prevent DOS via large payloads
+  # if a custom length validation is already present, skip the validation
+  def validates_column_content_length
+    self.class.columns.each do |column|
+      check_and_validate_content_length(column) if column_of_type_string_or_text?(column)
+    end
+  end
+
+  def column_of_type_string_or_text?(column)
+    %i[string text].include?(column.type)
+  end
+
+  def check_and_validate_content_length(column)
+    length_validator = self.class.validators_on(column.name).find { |v| v.kind == :length }
+    validate_content_length(column) if length_validator.blank?
+  end
+
+  def validate_content_length(column)
+    max_length = column.type == :text ? 20_000 : 255
+    return if self[column.name].nil? || self[column.name].length <= max_length
+
+    errors.add(column.name.to_sym, "is too long (maximum is #{max_length} characters)")
+  end
+
+  def normalize_empty_string_to_nil(attrs = [])
+    attrs.each do |attr|
+      self[attr] = nil if self[attr].blank?
+    end
+  end
+end
+
+ApplicationRecord.prepend_mod_with('ApplicationRecord')