implemented "prune attachment" on post

ui/messagedefs.yaml

@@ -31,6 +31,30 @@ messagedefs:
         tone: "green"
         icon: "✗"
         text: "No, Cancel"
+  - id: "prune"
+    title: "Prune Message Attachment"
+    tone: "red"
+    destructive: true
+    message: "You are about to prune a message's attachment!"
+    warningIcon: "💣"
+    warningLines:
+      - text: "Warning: This action cannot be undone!"
+        bold: true
+      - text: "Pruning this message's attachment will permanently delete it from the system."
+        bold: false
+    buttons:
+      - id: "yes"
+        link: "placeholder"
+        confirm: true
+        tone: "red"
+        icon: "✓"
+        text: "Yes, Prune It"
+      - id: "no"
+        link: "placeholder"
+        confirm: false
+        tone: "green"
+        icon: "✗"
+        text: "No, Cancel"
   - id: "deleteTopic"
     title: "Delete Topic"
     tone: "red"

ui/views/posts.jet

@@ -138,6 +138,10 @@
                             {{ if canNuke }}
                                 <a href="{{ topicListLink }}/op/{{ topicNum }}/nuke/{{ p.Num }}" 
                                     class="bg-red-600 hover:bg-red-700 text-white px-3 py-2 rounded text-sm font-medium transition-colors whitespace-nowrap">Nuke</a>
+                                {{ if post_attach.Filename != "" }}
+                                    <a href="{{ topicListLink }}/op/{{ topicNum }}/prune/{{ p.Num }}" 
+                                        class="bg-red-600 hover:bg-red-700 text-white px-3 py-2 rounded text-sm font-medium transition-colors whitespace-nowrap">Prune Attach</a>
+                                {{ end }}
                             {{ end }}
                             {{ if canMove }}
                                 <a href="{{ topicListLink }}/op/{{ topicNum }}/move/{{ p.Num }}"