www：新增问题反馈功能；dashboard：适配问题反馈功能，可以在后台系统和用户沟通

www/i18n/locales/en.json

@@ -28,7 +28,42 @@
   "support": {
     "faq": "FAQ",
     "downloads": "Downloads",
-    "contact": "Contact Us"
+    "contact": "Contact Us",
+    "feedback": "Feedback",
+    "feedbackSubtitle": "Encountered an issue with our product? Let us know and we will follow up as soon as possible",
+    "model": "Model",
+    "selectModel": "Select a model",
+    "description": "Description",
+    "descriptionPlaceholder": "Describe the issue you encountered in detail (up to 2000 characters)",
+    "email": "Email",
+    "emailPlaceholder": "Your email",
+    "logFile": "Log file (optional, max 20MB)",
+    "chooseFile": "Choose File",
+    "noFile": "No file chosen",
+    "fileTooLarge": "Log file size cannot exceed 20MB",
+    "submitFeedback": "Submit Feedback",
+    "feedbackSuccess": "Feedback submitted. Thank you! Reference no.: ",
+    "feedbackNoCopied": "Copied",
+    "feedbackFailed": "Submission failed. Please try again later.",
+    "myFeedback": "My Feedback",
+    "queryPlaceholder": "Enter email or reference number to query",
+    "queryInvalid": "Please enter a valid email or reference number",
+    "query": "Query",
+    "noFeedback": "No feedback found",
+    "expandChat": "View conversation",
+    "collapseChat": "Collapse",
+    "verifyEmailHint": "Enter the email used when submitting this feedback to view and reply",
+    "verifyEmail": "Verify",
+    "emailMismatch": "Email does not match this feedback record",
+    "initialDescription": "Conversation",
+    "noMessages": "No replies yet. Send a message if you have more details.",
+    "messagePlaceholder": "Type your message...",
+    "sendMessage": "Send",
+    "messageFailed": "Failed to send. Please try again.",
+    "conversationClosed": "This issue has been resolved. You can view the conversation history only.",
+    "statusPending": "Pending",
+    "statusProcessing": "In Progress",
+    "statusResolved": "Resolved"
   },
   "form": {
     "subtitle": "Fill in the form and we will get back to you soon",