feat: filter teams with zero members in admin components

- Updated `AdminClientWrapper` to filter out teams with zero members in `getFilteredTeamStats`.
- Modified `AdminFilters` to only include directions and teams with members in the options.
- Enhanced `AdminService` to generate direction stats based on teams with members, improving data accuracy.

components/admin/admin-client-wrapper.tsx

@@ -35,6 +35,9 @@ export function AdminClientWrapper({
   const getFilteredTeamStats = () => {
     let filtered = teamStats;
 
+    // Filtrer les équipes avec 0 membres
+    filtered = filtered.filter((team) => team.totalMembers > 0);
+
     if (selectedDirections.length > 0) {
       filtered = filtered.filter((team) =>
         selectedDirections.includes(team.direction)

components/admin/admin-filters.tsx

@@ -28,18 +28,30 @@ export function AdminFilters({
   const hasFilters = selectedDirections.length > 0 || selectedTeams.length > 0;
 
   const directionOptions = Array.from(
-    new Set(teams.map((team) => team.direction))
+    new Set(
+      teamStats
+        .filter((team) => team.totalMembers > 0)
+        .map((team) => team.direction)
+    )
   ).map((direction) => ({
     id: direction,
     label: direction,
-    count: teams.filter((team) => team.direction === direction).length,
+    count: teamStats.filter(
+      (team) => team.direction === direction && team.totalMembers > 0
+    ).length,
   }));
 
-  const teamOptions = teams.map((team) => ({
-    id: team.id,
-    label: `${team.name} (${team.direction})`,
-    count: teamStats.find((stat) => stat.teamId === team.id)?.totalMembers || 0,
-  }));
+  const teamOptions = teams
+    .filter((team) => {
+      const teamStat = teamStats.find((stat) => stat.teamId === team.id);
+      return teamStat && teamStat.totalMembers > 0;
+    })
+    .map((team) => ({
+      id: team.id,
+      label: `${team.name} (${team.direction})`,
+      count:
+        teamStats.find((stat) => stat.teamId === team.id)?.totalMembers || 0,
+    }));
 
   const handleReset = () => {
     onDirectionsChange([]);