feat: Improve CSAT responses (#11485)

# Pull Request Template

## Description

This PR introduces basic customization options for the CSAT survey:

* **Display Type**: Option to use star ratings instead of emojis.
* **Message Text**: Customize the survey message (up to 200 characters).
* **Survey Rules**: Send surveys based on labels — trigger when a
conversation has or doesn't have a specific label.

Fixes
https://linear.app/chatwoot/document/improve-csat-responses-a61cf30e054e

## Type of change

- [x] New feature (non-breaking change which adds functionality)

## How Has This Been Tested?

### Loom videos

**Website Channel (Widget)**

https://www.loom.com/share/7f47836cde7940ae9d17b7997d060a18?sid=aad2ad0a-140a-4a09-8829-e01fa2e102c5

**Email Channel (Survey link)**

https://www.loom.com/share/e92f4c4c0f73417ba300a25885e093ce?sid=4bb006f0-1c2a-4352-a232-8bf684e3d757

## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

---------

Co-authored-by: Pranav <pranavrajs@gmail.com>

app/services/message_templates/template/csat_survey.rb

@@ -2,6 +2,8 @@ class MessageTemplates::Template::CsatSurvey
   pattr_initialize [:conversation!]
 
   def perform
+    return unless should_send_csat_survey?
+
     ActiveRecord::Base.transaction do
       conversation.messages.create!(csat_survey_message_params)
     end
@@ -9,8 +11,47 @@ class MessageTemplates::Template::CsatSurvey
 
   private
 
-  delegate :contact, :account, to: :conversation
-  delegate :inbox, to: :message
+  delegate :contact, :account, :inbox, to: :conversation
+  delegate :csat_config, to: :inbox
+
+  def should_send_csat_survey?
+    return true unless survey_rules_configured?
+
+    labels = conversation.label_list
+
+    return true if rule_values.empty?
+
+    case rule_operator
+    when 'contains'
+      rule_values.any? { |label| labels.include?(label) }
+    when 'does_not_contain'
+      rule_values.none? { |label| labels.include?(label) }
+    else
+      true
+    end
+  end
+
+  def survey_rules_configured?
+    return false if csat_config.blank?
+    return false if csat_config['survey_rules'].blank?
+    return false if rule_values.empty?
+
+    true
+  end
+
+  def rule_operator
+    csat_config.dig('survey_rules', 'operator') || 'contains'
+  end
+
+  def rule_values
+    csat_config.dig('survey_rules', 'values') || []
+  end
+
+  def message_content
+    return I18n.t('conversations.templates.csat_input_message_body') if csat_config.blank? || csat_config['message'].blank?
+
+    csat_config['message']
+  end
 
   def csat_survey_message_params
     {
@@ -18,7 +59,18 @@ class MessageTemplates::Template::CsatSurvey
       inbox_id: @conversation.inbox_id,
       message_type: :template,
       content_type: :input_csat,
-      content: I18n.t('conversations.templates.csat_input_message_body')
+      content: message_content,
+      content_attributes: content_attributes
+    }
+  end
+
+  def csat_config
+    inbox.csat_config || {}
+  end
+
+  def content_attributes
+    {
+      display_type: csat_config['display_type'] || 'emoji'
     }
   end
 end