feat: register Topic and Feedback models in admin interface

core/admin.py

@@ -1,25 +1,14 @@
 from django.contrib import admin
 from .models import Topic, Feedback
 
-
 @admin.register(Topic)
 class TopicAdmin(admin.ModelAdmin):
-    list_display = ('name', 'feedback_count')
-    search_fields = ('name',)
-
-    def feedback_count(self, obj):
-        return obj.feedback_set.count()
-    feedback_count.short_description = 'Number of feedbacks'
-
+    list_display = ['name']
+    search_fields = ['name']
 
 @admin.register(Feedback)
 class FeedbackAdmin(admin.ModelAdmin):
-    list_display = ('user_name', 'topic', 'created_at', 'content_preview')
-    list_filter = ('topic', 'created_at')
-    search_fields = ('user_name', 'content', 'topic__name')
-    readonly_fields = ('created_at', 'content_rendered')
-    date_hierarchy = 'created_at'
-
-    def content_preview(self, obj):
-        return obj.content[:100] + '...' if len(obj.content) > 100 else obj.content
-    content_preview.short_description = 'Content Preview'
+    list_display = ['user_name', 'topic', 'created_at']
+    list_filter = ['topic', 'created_at']
+    search_fields = ['user_name', 'content']
+    readonly_fields = ['created_at']