fix(metrics): robust contact detection with AstDB fallback and reset f2b counters on clear log (v1.4.7)

public/index.php

@@ -18,7 +18,7 @@ $companyLogo = trim($branding['company_logo'] ?? '');
 $hasBranding = !empty($companyName) || !empty($companyLogo);
 
 $appVerData = file_exists(__DIR__ . '/../version.json') ? json_decode((string)file_get_contents(__DIR__ . '/../version.json'), true) : [];
-$appVersion = $appVerData['version'] ?? '1.4.6';
+$appVersion = $appVerData['version'] ?? '1.4.7';
 ?>
 <!DOCTYPE html>
 <html lang="fr" class="h-full">