Remove version number badge from Indicator

Remove the version number badge display in VersionIndicator.tsx:
- drop Badge import and Clock icon import
- replace compact mode text with History
- remove version number badge in non-compact rendering
 Keeps last-edited time and history functionality intact.

src/components/versioning/VersionIndicator.tsx

@@ -1,8 +1,7 @@
 import { useState } from 'react';
 import { Button } from '@/components/ui/button';
-import { Badge } from '@/components/ui/badge';
 import { Dialog, DialogContent, DialogHeader, DialogTitle } from '@/components/ui/dialog';
-import { History, Clock } from 'lucide-react';
+import { History } from 'lucide-react';
 import { formatDistanceToNow } from 'date-fns';
 import { EntityVersionHistory } from './EntityVersionHistory';
 import { useEntityVersions } from '@/hooks/useEntityVersions';
@@ -43,7 +42,7 @@ export function VersionIndicator({
         >
           <History className="h-4 w-4" />
           <span className="text-xs text-muted-foreground">
-            v{currentVersion.version_number}
+            History
           </span>
         </Button>
 
@@ -66,10 +65,6 @@ export function VersionIndicator({
   return (
     <>
       <div className="flex items-center gap-3">
-        <Badge variant="outline" className="gap-1.5">
-          <Clock className="h-3 w-3" />
-          Version {currentVersion.version_number}
-        </Badge>
         <span className="text-sm text-muted-foreground">
           Last edited {timeAgo}
         </span>