feat: integrate Jira ticket linking in TaskCard

- Added functionality to generate Jira ticket URLs based on user preferences, enhancing task interactivity.
- Updated UserPreferences to include Jira configuration, ensuring seamless integration with Jira settings.
- Refactored TaskCard to conditionally render Jira links, improving user experience when interacting with Jira tasks.

components/kanban/TaskCard.tsx

@@ -6,6 +6,7 @@ import { Card } from '@/components/ui/Card';
 import { Badge } from '@/components/ui/Badge';
 import { TagDisplay } from '@/components/ui/TagDisplay';
 import { useTasksContext } from '@/contexts/TasksContext';
+import { useUserPreferences } from '@/contexts/UserPreferencesContext';
 import { useDraggable } from '@dnd-kit/core';
 import { getPriorityConfig, getPriorityColorHex } from '@/lib/status-config';
 
@@ -23,6 +24,14 @@ export function TaskCard({ task, onDelete, onEdit, onUpdateTitle, compactView =
   const [showTooltip, setShowTooltip] = useState(false);
   const timeoutRef = useRef<NodeJS.Timeout | null>(null);
   const { tags: availableTags } = useTasksContext();
+  const { preferences } = useUserPreferences();
+
+  // Helper pour construire l'URL Jira
+  const getJiraTicketUrl = (jiraKey: string): string => {
+    const baseUrl = preferences.jiraConfig.baseUrl;
+    if (!baseUrl || !jiraKey) return '';
+    return `${baseUrl}/browse/${jiraKey}`;
+  };
 
   // Configuration du draggable
   const {
@@ -374,9 +383,29 @@ export function TaskCard({ task, onDelete, onEdit, onUpdateTitle, compactView =
             
             <div className="flex items-center gap-2">
               {task.source !== 'manual' && task.source && (
-                <Badge variant="outline" size="sm">
-                  {task.source === 'jira' && task.jiraKey ? task.jiraKey : task.source}
-                </Badge>
+                task.source === 'jira' && task.jiraKey ? (
+                  preferences.jiraConfig.baseUrl ? (
+                    <a
+                      href={getJiraTicketUrl(task.jiraKey)}
+                      target="_blank"
+                      rel="noopener noreferrer"
+                      onClick={(e) => e.stopPropagation()}
+                      className="hover:scale-105 transition-transform"
+                    >
+                      <Badge variant="outline" size="sm" className="hover:bg-blue-500/10 hover:border-blue-400/50 cursor-pointer">
+                        {task.jiraKey}
+                      </Badge>
+                    </a>
+                  ) : (
+                    <Badge variant="outline" size="sm">
+                      {task.jiraKey}
+                    </Badge>
+                  )
+                ) : (
+                  <Badge variant="outline" size="sm">
+                    {task.source}
+                  </Badge>
+                )
               )}
               
     {task.jiraProject && (