Added delete version

app/(dashboard)/tasks/[taskId]/TaskDetailClient.tsx

@@ -41,9 +41,11 @@ import {
   AlertCircle,
   User,
   ExternalLink,
+  Trash2,
 } from "lucide-react";
 import { TASK_STATUS_CONFIG, TASK_TYPE_LABELS } from "@/components/tasks/TaskCard";
 import { VersionUpload } from "@/components/versions/VersionUpload";
+import { deleteVersion } from "@/actions/versions";
 import type { CommentWithReplies } from "@/types";
 import { CommentPanel } from "@/components/comments/CommentPanel";
 
@@ -155,6 +157,17 @@ export function TaskDetailClient({
     }
   };
 
+  const handleDeleteVersion = async (versionId: string, label: string) => {
+    if (!confirm(`Delete ${label}? This will permanently remove the file and all comments.`)) return;
+    try {
+      await deleteVersion(versionId);
+      toast({ title: "Version deleted" });
+      router.refresh();
+    } catch (e) {
+      toast({ title: "Delete failed", description: e instanceof Error ? e.message : undefined, variant: "destructive" });
+    }
+  };
+
   return (
     <div className="min-h-screen bg-background">
       <div className="max-w-5xl mx-auto p-6 space-y-6">
@@ -298,6 +311,21 @@ export function TaskDetailClient({
                             Review
                           </Button>
                         </Link>
+                        {canManage && (
+                          <Button
+                            variant="ghost"
+                            size="icon"
+                            className="h-7 w-7 text-muted-foreground hover:text-red-500"
+                            onClick={() =>
+                              handleDeleteVersion(
+                                v.id,
+                                `v${String(v.versionNumber).padStart(3, "0")}`
+                              )
+                            }
+                          >
+                            <Trash2 className="h-3.5 w-3.5" />
+                          </Button>
+                        )}
                       </div>
                     </div>
                   ))}