Backend: commune en menu deroulant (communes du Bassin de Pompey)

- Constante BASSIN_POMPEY_COMMUNES (13 communes) dans src/lib/communes.ts
- Champ commune devenu un select dans : ajout adherent, edition fiche,
  espace adherent. communeOptions() conserve une valeur existante hors liste.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/app/backend/adherents/AddMemberPanel.tsx

@@ -2,6 +2,7 @@
 
 import { useState } from "react";
 import { useRouter } from "next/navigation";
+import { BASSIN_POMPEY_COMMUNES } from "@/lib/communes";
 import { addMember } from "../actions";
 
 export function AddMemberPanel({
@@ -56,7 +57,14 @@ export function AddMemberPanel({
             </div>
             <div>
               <label className="field-label">Commune</label>
-              <input name="city" placeholder="ex : Pompey" className="field" />
+              <select name="city" className="field" defaultValue="">
+                <option value="">—</option>
+                {BASSIN_POMPEY_COMMUNES.map((c) => (
+                  <option key={c} value={c}>
+                    {c}
+                  </option>
+                ))}
+              </select>
             </div>
             <div>
               <label className="field-label">Statut</label>

src/app/backend/adherents/[id]/page.tsx

@@ -6,6 +6,7 @@ import { db } from "@/db";
 import { categories, members, users } from "@/db/schema";
 import { can } from "@/lib/rbac";
 import { ImageField } from "@/components/ImageField";
+import { communeOptions } from "@/lib/communes";
 import { deleteMember, resetMemberPassword, updateMember } from "../../actions";
 
 export const dynamic = "force-dynamic";
@@ -93,7 +94,14 @@ export default async function EditMemberPage({
           </div>
           <div>
             <label className="field-label">Commune</label>
-            <input name="city" defaultValue={member.city ?? ""} className="field" />
+            <select name="city" className="field" defaultValue={member.city ?? ""}>
+              <option value="">—</option>
+              {communeOptions(member.city).map((c) => (
+                <option key={c} value={c}>
+                  {c}
+                </option>
+              ))}
+            </select>
           </div>
           <div>
             <label className="field-label">Adresse</label>

src/app/backend/espace/page.tsx

@@ -3,6 +3,7 @@ import { auth } from "@/auth";
 import { db } from "@/db";
 import { categories, members, promotions, type Member } from "@/db/schema";
 import { ImageField } from "@/components/ImageField";
+import { communeOptions } from "@/lib/communes";
 import { updateOwnProfile } from "../actions";
 import { MemberSpaceForm } from "./MemberSpaceForm";
 
@@ -96,7 +97,14 @@ export default async function EspacePage() {
             </div>
             <div>
               <label className="field-label">Commune</label>
-              <input name="city" defaultValue={profile.city ?? ""} className="field" />
+              <select name="city" className="field" defaultValue={profile.city ?? ""}>
+                <option value="">—</option>
+                {communeOptions(profile.city).map((c) => (
+                  <option key={c} value={c}>
+                    {c}
+                  </option>
+                ))}
+              </select>
             </div>
             <div>
               <label className="field-label">Adresse</label>