deduplicate task parsing and masking helpers

apps/backend/src/services/fulfillment/kuaishou-cloud/domain.ts

@@ -1,4 +1,8 @@
 import { resolveCloudtentaclesConfig } from "../../platforms/cloudtentacles/shared.js";
+import {
+  maskCode as maskCodeValue,
+  maskPhone as maskPhoneValue,
+} from "../../../utils/masking.js";
 
 export const KUAISHOU_CLOUD_FIXED_VN_KEY = "1";
 
@@ -154,29 +158,11 @@ export function normalizeKuaishouCloudRoleInfo(value) {
 }
 
 export function maskPhone(value) {
-  const text = String(value || "").trim();
-  if (!text) {
-    return "";
-  }
-
-  if (text.length <= 7) {
-    return `${text.slice(0, 2)}***${text.slice(-2)}`;
-  }
-
-  return `${text.slice(0, 3)}****${text.slice(-4)}`;
+  return maskPhoneValue(value);
 }
 
 export function maskCode(value) {
-  const text = String(value || "").trim();
-  if (!text) {
-    return "";
-  }
-
-  if (text.length <= 8) {
-    return `${text.slice(0, 2)}***${text.slice(-2)}`;
-  }
-
-  return `${text.slice(0, 4)}****${text.slice(-4)}`;
+  return maskCodeValue(value);
 }
 
 export function resolveKuaishouCloudBindUrlExpiresAt(preparedAt) {

apps/backend/src/services/fulfillment/kuaishou-cloud/task-context.ts

@@ -1,3 +1,5 @@
+import { parseTaskContext as parseTaskContextValue } from "../../../utils/task-json.js";
+
 export function normalizeActor(actor) {
   if (!actor || typeof actor !== "object") {
     return null;
@@ -21,21 +23,7 @@ export function normalizeActor(actor) {
 }
 
 export function parseTaskContext(task) {
-  const value = task?.context_json;
-
-  if (!value) {
-    return {};
-  }
-
-  if (typeof value === "object") {
-    return value;
-  }
-
-  try {
-    return JSON.parse(String(value || "{}"));
-  } catch {
-    return {};
-  }
+  return parseTaskContextValue(task);
 }
 
 export function getTaskClaimExpiresAt(task) {