fix(push): normalize OPPO action parameters

push-service/src/main/java/com/xuqm/push/service/provider/OppoPushProvider.java

@@ -65,7 +65,7 @@ public class OppoPushProvider implements PushProvider {
             notification.put("off_line", true);
             notification.put("off_line_ttl", 259200);
             if (payload != null && !payload.isBlank()) {
-                notification.put("action_parameters", payload);
+                notification.put("action_parameters", normalizeActionParameters(payload));
             }
             String channelId = options != null && options.channelId() != null && !options.channelId().isBlank()
                     ? options.channelId()
@@ -139,6 +139,22 @@ public class OppoPushProvider implements PushProvider {
         return java.util.HexFormat.of().formatHex(digest);
     }
 
+    private String normalizeActionParameters(String payload) throws Exception {
+        JsonNode parsed = runCatchingJson(payload);
+        if (parsed != null && parsed.isObject()) {
+            return objectMapper.writeValueAsString(parsed);
+        }
+        return objectMapper.writeValueAsString(Map.of("payload", payload));
+    }
+
+    private JsonNode runCatchingJson(String value) {
+        try {
+            return objectMapper.readTree(value);
+        } catch (Exception ignored) {
+            return null;
+        }
+    }
+
     private String resolveConfig(String appKey, String key) {
         JsonNode config = configClient.loadServiceConfig(appKey, "ANDROID", "PUSH")
                 .map(node -> node.path("vendors").path("oppo"))