diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae62e5f..298dbcc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -95,3 +95,12 @@ Toutes les modifications importantes du projet sont consignées ici. Le format s
 
 [1.0.0]: https://nnsprod.com/git/oversu/Globinours
 [0.1.0]: https://nnsprod.com/git/oversu/Globinours
+## [1.0.0-rc.9] — 2026-09-08
+
+### Troisième lot de tickets
+
+- ajout de liens publics facultatifs vers WhatsApp, LinkedIn, X et Snapchat, sans ressource chargée depuis un service tiers (`#7`) ;
+- clarification de la conservation de l’historique lors de la désactivation d’une salle (`#11`) ;
+- distinction explicite entre les frais d’adoption et le catalogue des coûts vétérinaires (`#14`) ;
+- rappel du routeur requis par le serveur PHP local pour rendre la recherche universelle disponible (`#19`) ;
+- vérification des correctifs déjà livrés pour le lien du pied de page et l’ajout d’espèces aux références biologiques (`#8`, `#15`).
diff --git a/HISTORIQUE.md b/HISTORIQUE.md
index 43924b4..99e6be8 100644
--- a/HISTORIQUE.md
+++ b/HISTORIQUE.md
@@ -41,3 +41,7 @@ Fiabilisation du géocodage et des formulaires de configuration, amélioration d
 ## `1.0.0-rc.8` — Deuxième lot de tickets
 
 Clarification du diagnostic système et de la santé des sauvegardes, validation des identifiants administratifs et encadrement des longueurs de noms.
+
+## `1.0.0-rc.9` — Troisième lot de tickets
+
+Extension des liens sociaux du site public, clarification des salles et des tarifs, et documentation du routage nécessaire à la recherche locale.
diff --git a/README.md b/README.md
index b13e51c..b26890b 100644
--- a/README.md
+++ b/README.md
@@ -94,6 +94,8 @@ php -d upload_max_filesize=250M -d post_max_size=260M \
   -S 127.0.0.1:8000 -t public public/router.php
 ```
 
+Le dernier argument, `public/router.php`, est indispensable : sans lui, les routes telles que la recherche universelle (`/search.json`) renvoient une page introuvable avec le serveur PHP intégré.
+
 Ouvrez ensuite `http://127.0.0.1:8000/setup`. L’assistant vérifie l’environnement, recueille l’identité de l’association et crée le premier compte administrateur.
 
 Les migrations sont appliquées automatiquement. Elles peuvent aussi être exécutées explicitement :
diff --git a/VERSION b/VERSION
index e9c62cf..99ebec6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.0-rc.8
+1.0.0-rc.9
diff --git a/app/Controllers/SettingsController.php b/app/Controllers/SettingsController.php
index 64b59d6..d4ce8d4 100644
--- a/app/Controllers/SettingsController.php
+++ b/app/Controllers/SettingsController.php
@@ -825,7 +825,20 @@ final class SettingsController
             exit();
         }
         $values['public_site_custom_css'] = $customCss;
-        foreach (['public_site_donation_url', 'public_site_facebook_url', 'public_site_instagram_url', 'public_site_youtube_url', 'public_site_tiktok_url'] as $key) {
+        foreach (
+            [
+                'public_site_donation_url',
+                'public_site_facebook_url',
+                'public_site_instagram_url',
+                'public_site_youtube_url',
+                'public_site_tiktok_url',
+                'public_site_whatsapp_url',
+                'public_site_linkedin_url',
+                'public_site_x_url',
+                'public_site_snapchat_url',
+            ]
+            as $key
+        ) {
             $url = trim((string) ($_POST[$key] ?? ''));
             $scheme = strtolower((string) parse_url($url, PHP_URL_SCHEME));
             if ($url !== '' && (!filter_var($url, FILTER_VALIDATE_URL) || $scheme !== 'https')) {
diff --git a/app/Services/AppSettings.php b/app/Services/AppSettings.php
index 102d351..52fddac 100644
--- a/app/Services/AppSettings.php
+++ b/app/Services/AppSettings.php
@@ -39,6 +39,10 @@ final class AppSettings
         'public_site_instagram_url' => '',
         'public_site_youtube_url' => '',
         'public_site_tiktok_url' => '',
+        'public_site_whatsapp_url' => '',
+        'public_site_linkedin_url' => '',
+        'public_site_x_url' => '',
+        'public_site_snapchat_url' => '',
         'notification_email_enabled' => '0',
         'notification_email_frequency' => 'weekly',
         'notification_email_recipient' => '',
diff --git a/app/Views/evolutions.php b/app/Views/evolutions.php
index ea10128..15894d0 100644
--- a/app/Views/evolutions.php
+++ b/app/Views/evolutions.php
@@ -31,10 +31,10 @@
     <div class="col-lg-6">
         <section class="card h-100">
             <div class="card-body">
-                <span class="badge bg-blue-lt mb-2">1.0.0-rc.8</span>
-                <h3>Deuxième lot de tickets</h3>
-                <p class="text-muted">Diagnostic système clarifié, identifiants administratifs contrôlés et
-                    longueurs des principaux noms encadrées.</p>
+                <span class="badge bg-blue-lt mb-2">1.0.0-rc.9</span>
+                <h3>Troisième lot de tickets</h3>
+                <p class="text-muted">Site public enrichi, salles et tarifs clarifiés, et lancement local de la
+                    recherche mieux documenté.</p>
             </div>
         </section>
     </div>
diff --git a/app/Views/public_site_contact.php b/app/Views/public_site_contact.php
index 2b458b0..5599cbe 100644
--- a/app/Views/public_site_contact.php
+++ b/app/Views/public_site_contact.php
@@ -14,7 +14,7 @@ $obfuscate = static fn (string$value): string => implode('', array_reverse(mb_st
                         class="contact-obfuscated"><?= h($obfuscate($settings['association_email'])) ?></span></div>
                 <?php endif; ?></div>
             <div class="chips" style="margin-top:25px">
-                <?php foreach (['facebook' => 'Facebook','instagram' => 'Instagram','youtube' => 'YouTube','tiktok' => 'TikTok'] as $network => $label):
+                <?php foreach (['facebook' => 'Facebook','instagram' => 'Instagram','youtube' => 'YouTube','tiktok' => 'TikTok','whatsapp' => 'WhatsApp','linkedin' => 'LinkedIn','x' => 'X','snapchat' => 'Snapchat'] as $network => $label):
                     $url = trim((string)($settings['public_site_' . $network . '_url'] ?? ''));
                     if ($url === '') continue; ?>
                 <a class="button secondary" href="<?= h($url) ?>" rel="noopener noreferrer"><?= h($label) ?></a>
diff --git a/app/Views/settings_pricing.php b/app/Views/settings_pricing.php
index 0314820..b76a6ee 100644
--- a/app/Views/settings_pricing.php
+++ b/app/Views/settings_pricing.php
@@ -10,7 +10,10 @@
         <form class="card h-100" method="post" action="/settings/pricing/adoption">
             <div class="card-status-top bg-green"></div>
             <div class="card-header">
-                <h3 class="card-title"><?= h(t('pricing.adoption_fees')) ?></h3>
+                <div>
+                    <h3 class="card-title"><?= h(t('pricing.adoption_fees')) ?></h3>
+                    <div class="text-muted small"><?= h(t('pricing.adoption_fees_help')) ?></div>
+                </div>
             </div>
             <div class="card-body row g-3">
                 <div class="col-6"><label class="form-label"><?= h(t('pricing.sterilized')) ?></label>
diff --git a/app/Views/settings_public_site.php b/app/Views/settings_public_site.php
index ae7fa93..68809b4 100644
--- a/app/Views/settings_public_site.php
+++ b/app/Views/settings_public_site.php
@@ -137,7 +137,7 @@
                     name="public_site_facebook_url" value="<?= h($settings['public_site_facebook_url']) ?>"></div>
             <div class="col-md-6"><label class="form-label">Instagram</label><input class="form-control" type="url"
                     name="public_site_instagram_url" value="<?= h($settings['public_site_instagram_url']) ?>"></div>
-            <?php foreach (['youtube' => 'YouTube','tiktok' => 'TikTok'] as $network => $label): ?>
+            <?php foreach (['youtube' => 'YouTube','tiktok' => 'TikTok','whatsapp' => 'WhatsApp','linkedin' => 'LinkedIn','x' => 'X','snapchat' => 'Snapchat'] as $network => $label): ?>
             <div class="col-md-6"><label class="form-label"><?= h($label) ?></label><input class="form-control"
                     type="url" name="public_site_<?= h($network) ?>_url"
                     value="<?= h($settings['public_site_' . $network . '_url']) ?>" placeholder="https://..."></div>
diff --git a/app/Views/settings_rooms.php b/app/Views/settings_rooms.php
index 620f3f5..3fe301a 100644
--- a/app/Views/settings_rooms.php
+++ b/app/Views/settings_rooms.php
@@ -2,7 +2,7 @@
 <?php if ($saved): ?><div class="alert alert-success"><?= h(t('rooms.saved')) ?></div><?php endif; ?>
 <?php if ($error): ?><div class="alert alert-danger"><?= h($error) ?></div><?php endif; ?>
 <form method="post" action="/settings/rooms/save"><input type="hidden" name="csrf" value="<?= h(Auth::csrf()) ?>">
-    <div class="alert alert-info"><?= h(t('rooms.help')) ?></div>
+    <div class="alert alert-info"><?= h(t('rooms.inactive_help')) ?></div>
     <div class="row row-cards">
         <?php foreach ($rooms as $room):$boxNames = implode("\n", array_column(array_filter($room['boxes'], static fn ($box) => (int)$box['active'] === 1), 'name')); ?>
         <div class="col-lg-6">
diff --git a/migrations/092_additional_public_social_links.sql b/migrations/092_additional_public_social_links.sql
new file mode 100644
index 0000000..7c10680
--- /dev/null
+++ b/migrations/092_additional_public_social_links.sql
@@ -0,0 +1,5 @@
+INSERT OR IGNORE INTO app_settings(setting_key, setting_value) VALUES
+('public_site_whatsapp_url', ''),
+('public_site_linkedin_url', ''),
+('public_site_x_url', ''),
+('public_site_snapchat_url', '');
diff --git a/resources/lang/en.php b/resources/lang/en.php
index cd8aaf2..2daa378 100644
--- a/resources/lang/en.php
+++ b/resources/lang/en.php
@@ -123,4 +123,5 @@ return [
  'public_site.image_library'=>'Image library','public_site.image_file'=>'Image to add','public_site.image_upload'=>'Upload image','public_site.image_help'=>'Upload an image, place the cursor in a text field, then choose “Insert”. Accepted formats: JPEG, PNG and WebP.','public_site.image_none'=>'No image uploaded.','public_site.image_insert'=>'Insert','public_site.image_invalid'=>'Choose a valid image.',
  'rooms.duplicate'=>'A room with this name or code already exists.','settings.species_duplicate'=>'A species with this name or code already exists.',
  'settings.invalid_rna'=>'The RNA number must start with W followed by 9 digits.','settings.invalid_siret'=>'The SIRET number must contain 14 digits and be valid.','rooms.name_too_long'=>'A room name cannot exceed 100 characters.','rooms.box_name_too_long'=>'A box name cannot exceed 100 characters.','animal.name_too_long'=>'An animal name cannot exceed 150 characters.',
+ 'pricing.adoption_fees_help'=>'Indicative amounts shared by all animals, according to their sterilisation status.','rooms.inactive_help'=>'An unchecked room becomes inactive, while its previous assignments remain in the history. Its internal code never changes.',
 ];
diff --git a/resources/lang/fr.php b/resources/lang/fr.php
index a898da4..ca5b3bd 100644
--- a/resources/lang/fr.php
+++ b/resources/lang/fr.php
@@ -123,4 +123,5 @@ return [
  'public_site.image_library'=>'Bibliothèque d’images','public_site.image_file'=>'Image à ajouter','public_site.image_upload'=>'Ajouter l’image','public_site.image_help'=>'Ajoutez une image, placez le curseur dans un texte puis choisissez « Insérer ». Formats acceptés : JPEG, PNG et WebP.','public_site.image_none'=>'Aucune image ajoutée.','public_site.image_insert'=>'Insérer','public_site.image_invalid'=>'Choisissez une image valide.',
  'rooms.duplicate'=>'Une salle portant ce nom ou ce code existe déjà.','settings.species_duplicate'=>'Une espèce portant ce nom ou ce code existe déjà.',
  'settings.invalid_rna'=>'Le numéro RNA doit commencer par W et être suivi de 9 chiffres.','settings.invalid_siret'=>'Le numéro SIRET doit contenir 14 chiffres et être valide.','rooms.name_too_long'=>'Le nom d’une salle ne peut pas dépasser 100 caractères.','rooms.box_name_too_long'=>'Le nom d’un box ne peut pas dépasser 100 caractères.','animal.name_too_long'=>'Le nom d’un animal ne peut pas dépasser 150 caractères.',
+ 'pricing.adoption_fees_help'=>'Montants indicatifs communs à tous les animaux, selon leur état de stérilisation.','rooms.inactive_help'=>'Une salle décochée devient inactive, mais ses anciennes affectations restent dans l’historique. Son code interne ne change jamais.',
 ];