Ajoute le SIRET aux paramètres association

web/src/components/Footer.jsx

@@ -49,6 +49,7 @@ export default function Footer() {
             {settings.association_contact && <span>{settings.association_contact}</span>}
             {settings.association_email && <a href={`mailto:${settings.association_email}`} style={linkStyle}>{settings.association_email}</a>}
             {settings.association_phone && <a href={`tel:${settings.association_phone.replace(/[^+\d]/g, '')}`} style={linkStyle}>{settings.association_phone}</a>}
+            {settings.association_siret && <span>SIRET : {settings.association_siret}</span>}
             {settings.association_website && <a href={settings.association_website} target="_blank" rel="noopener noreferrer" style={linkStyle}>Site web</a>}
           </div>
         </div>

web/src/components/admin/AdminContent.jsx

@@ -251,6 +251,20 @@ export function ParametresTab() {
               <input name="association_phone" type="tel" value={settings.association_phone} onChange={onChange} maxLength={40} />
             </label>
           </div>
+          <label className="field">SIRET
+            <input
+              name="association_siret"
+              value={settings.association_siret}
+              onChange={onChange}
+              inputMode="numeric"
+              maxLength={20}
+              placeholder="14 chiffres"
+              aria-describedby="association-siret-help"
+            />
+            <span id="association-siret-help" style={{ marginTop: 5, fontSize: 11.5, color: 'var(--gray-light)', fontWeight: 400 }}>
+              Les espaces sont acceptés; le numéro doit contenir exactement 14 chiffres.
+            </span>
+          </label>
           <div className="grid-2" style={{ gap: 12 }}>
             <label className="field">Contact principal
               <input name="association_contact" value={settings.association_contact} onChange={onChange} maxLength={160} placeholder="Nom et fonction" />

web/src/lib/siteSettings.js

@@ -3,6 +3,7 @@ export const ASSOCIATION_DEFAULTS = {
   association_address: 'Palais des Sports Jean Weille\nNancy (54)',
   association_email: 'contact@sluc-businessclub.fr',
   association_phone: '+33 3 83 00 00 00',
+  association_siret: '',
   association_contact: '',
   association_website: '',
   association_facebook_url: 'https://www.facebook.com/search/top?q=sluc%20business%20club',

web/src/pages/Association.jsx

@@ -35,7 +35,7 @@ export default function Association() {
     .map((name) => name.trim())
     .filter(Boolean);
   const hasContact = settings.association_address || settings.association_email
-    || settings.association_phone || settings.association_contact;
+    || settings.association_phone || settings.association_contact || settings.association_siret;
 
   return (
     <main>
@@ -147,6 +147,7 @@ export default function Association() {
               {settings.association_address && <span style={{ whiteSpace: 'pre-line', color: 'var(--gray)' }}>{settings.association_address}</span>}
               {settings.association_email && <a className="btn-link" href={`mailto:${settings.association_email}`}>{settings.association_email}</a>}
               {settings.association_phone && <a className="btn-link" href={`tel:${settings.association_phone.replace(/[^+\d]/g, '')}`}>{settings.association_phone}</a>}
+              {settings.association_siret && <span style={{ color: 'var(--gray)' }}>SIRET : {settings.association_siret}</span>}
             </div>
           </div>
         </section>