feat(sounds): absolute audio paths for custom sounds making IVRs fully language-agnostic (v1.5.0)

src/ConfigGenerator.php

@@ -2219,18 +2219,24 @@ class ConfigGenerator
             $stmt = $this->db->prepare('SELECT slug FROM sounds WHERE id = :id');
             $stmt->execute([':id' => (int)$soundRef]);
             $slug = $stmt->fetchColumn();
-            return $slug ? "custom/{$slug}" : $fallback;
+            return $slug ? "/var/lib/asterisk/sounds/custom/{$slug}" : $fallback;
         }
         $ref = trim((string)$soundRef);
         if (str_starts_with($ref, 'sound-')) {
             return $this->resolveSoundFile(substr($ref, 6), $fallback);
         }
+        if (str_starts_with($ref, 'custom/')) {
+            return "/var/lib/asterisk/sounds/{$ref}";
+        }
+        if (str_starts_with($ref, '/var/lib/asterisk/sounds/custom/')) {
+            return $ref;
+        }
         if (!str_contains($ref, '/') && !in_array($ref, ['demo-instruct', 'demo-echotest', 'pbx-invalid', 'hello-world', 'beep', 'silence/1', 'vm-goodbye'])) {
             $stmt = $this->db->prepare('SELECT slug FROM sounds WHERE slug = :slug OR name = :name');
             $stmt->execute([':slug' => $ref, ':name' => $ref]);
             $slug = $stmt->fetchColumn();
             if ($slug) {
-                return "custom/{$slug}";
+                return "/var/lib/asterisk/sounds/custom/{$slug}";
             }
         }
         return $ref ?: $fallback;