feat: Add AONPRD link and hide notes for weapons in item modal

- Added external link to Archives of Nethys for all equipment items
- Notes section now only displays for non-weapon items
- Uses equipment.url field from database, prepends https://2e.aonprd.com if needed

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

client/src/features/characters/components/item-detail-modal.tsx

@@ -1,5 +1,5 @@
 import { useState, useEffect } from 'react';
-import { X, Swords, Shield, Package, Minus, Plus, Trash2, Pencil } from 'lucide-react';
+import { X, Swords, Shield, Package, Minus, Plus, Trash2, Pencil, ExternalLink } from 'lucide-react';
 import { Button, Input } from '@/shared/components/ui';
 import { api } from '@/shared/lib/api';
 import type { CharacterItem, Equipment } from '@/shared/types';
@@ -369,13 +369,26 @@ export function ItemDetailModal({
                 </div>
               )}
 
-              {/* Notes */}
-              {item.notes && (
+              {/* Notes - only for non-weapons */}
+              {item.notes && !effectiveDamage && (
                 <div className="p-3 rounded-lg bg-bg-secondary">
                   <p className="text-xs text-text-secondary mb-1">Notizen</p>
                   <p className="text-sm text-text-primary">{item.notes}</p>
                 </div>
               )}
+
+              {/* AONPRD Link */}
+              {equipment?.url && (
+                <a
+                  href={equipment.url.startsWith('http') ? equipment.url : `https://2e.aonprd.com${equipment.url}`}
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  className="flex items-center justify-center gap-2 p-3 rounded-lg bg-bg-secondary hover:bg-bg-tertiary text-primary-400 hover:text-primary-300 transition-colors"
+                >
+                  <ExternalLink className="h-4 w-4" />
+                  <span className="text-sm font-medium">Auf Archives of Nethys ansehen</span>
+                </a>
+              )}
             </>
           )}
         </div>