add contact is_verified flag to precompute filterable field

lib/tasks/populate_contact_verification.rake

@@ -0,0 +1,27 @@
+namespace :contacts do
+  desc 'Populate is_verified column for existing contacts based on verification criteria'
+  task populate_verification: :environment do
+    total_contacts = Contact.count
+    puts "Total contacts to process: #{total_contacts}"
+
+    batch_size = 1000
+    updated_count = 0
+
+    Contact.find_each(batch_size: batch_size) do |contact|
+      # Check if contact should be verified using the same logic as model
+      should_be_verified = contact.email.present? ||
+                           contact.phone_number.present? ||
+                           contact.identifier.present? ||
+                           (contact.additional_attributes.present? && contact.additional_attributes['company_name'].present?)
+
+      # Update only if current value is different (avoid unnecessary updates)
+      if contact.is_verified != should_be_verified
+        # Using update_columns to avoid callbacks and validations for bulk operation
+        contact.update_columns(is_verified: should_be_verified) # rubocop:disable Rails/SkipsModelValidations
+        updated_count += 1
+      end
+      # Progress indicator
+      puts "Updated #{updated_count} contacts..." if (updated_count % 100).zero?
+    end
+  end
+end