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/javascript/dashboard/i18n/locale/en/inboxMgmt.json

@@ -481,7 +481,8 @@
       "PRE_CHAT_FORM": "Pre Chat Form",
       "BUSINESS_HOURS": "Business Hours",
       "WIDGET_BUILDER": "Widget Builder",
-      "BOT_CONFIGURATION": "Bot Configuration"
+      "BOT_CONFIGURATION": "Bot Configuration",
+      "CSAT": "CSAT"
     },
     "SETTINGS": "Settings",
     "FEATURES": {
@@ -502,9 +503,7 @@
       "ENABLE_EMAIL_COLLECT_BOX": "Enable email collect box",
       "ENABLE_EMAIL_COLLECT_BOX_SUB_TEXT": "Enable or disable email collect box on new conversation",
       "AUTO_ASSIGNMENT": "Enable auto assignment",
-      "ENABLE_CSAT": "Enable CSAT",
       "SENDER_NAME_SECTION": "Enable Agent Name in Email",
-      "ENABLE_CSAT_SUB_TEXT": "Enable/Disable CSAT(Customer satisfaction) survey after resolving a conversation",
       "SENDER_NAME_SECTION_TEXT": "Enable/Disable showing Agent's name in email, if disabled it will show business name",
       "ENABLE_CONTINUITY_VIA_EMAIL": "Enable conversation continuity via email",
       "ENABLE_CONTINUITY_VIA_EMAIL_SUB_TEXT": "Conversations will continue over email if the contact email address is available.",
@@ -578,6 +577,32 @@
         "LABEL": "Visitors should provide their name and email address before starting the chat"
       }
     },
+    "CSAT": {
+      "TITLE": "Enable CSAT",
+      "SUBTITLE": "Automatically trigger CSAT surveys at the end of conversations to understand how customers feel about their support experience. Track satisfaction trends and identify areas for improvement over time.",
+      "DISPLAY_TYPE": {
+        "LABEL": "Display type"
+      },
+      "MESSAGE": {
+        "LABEL": "Message",
+        "PLACEHOLDER": "Please enter a message to show users with the form"
+      },
+      "SURVEY_RULE": {
+        "LABEL": "Survey rule",
+        "DESCRIPTION_PREFIX": "Send the survey if the conversation",
+        "DESCRIPTION_SUFFIX": "any of the labels",
+        "OPERATOR": {
+          "CONTAINS": "contains",
+          "DOES_NOT_CONTAINS": "does not contain"
+        },
+        "SELECT_PLACEHOLDER": "select labels"
+      },
+      "NOTE": "Note: CSAT surveys are sent only once per conversation",
+      "API": {
+        "SUCCESS_MESSAGE": "CSAT settings updated successfully",
+        "ERROR_MESSAGE": "We couldn't update CSAT settings. Please try again later."
+      }
+    },
     "BUSINESS_HOURS": {
       "TITLE": "Set your availability",
       "SUBTITLE": "Set your availability on your livechat widget",