diff --git a/extensions/whatsapp/src/resolve-target.test.ts b/extensions/whatsapp/src/resolve-target.test.ts
index f779a8e07b6..b0ed25e4dc9 100644
--- a/extensions/whatsapp/src/resolve-target.test.ts
+++ b/extensions/whatsapp/src/resolve-target.test.ts
@@ -1,82 +1,60 @@
 import { describe, expect, it, vi } from "vitest";
 import { installCommonResolveTargetErrorCases } from "../../shared/resolve-target-test-helpers.js";
 
-vi.mock("openclaw/plugin-sdk/whatsapp", () => ({
-  getChatChannelMeta: () => ({ id: "whatsapp", label: "WhatsApp" }),
-  normalizeWhatsAppTarget: (value: string) => {
+vi.mock("openclaw/plugin-sdk/whatsapp", async () => {
+  const actual = await vi.importActual<typeof import("openclaw/plugin-sdk/whatsapp")>(
+    "openclaw/plugin-sdk/whatsapp",
+  );
+  const normalizeWhatsAppTarget = (value: string) => {
     if (value === "invalid-target") return null;
-    // Simulate E.164 normalization: strip leading + and whatsapp: prefix
+    // Simulate E.164 normalization: strip leading + and whatsapp: prefix.
     const stripped = value.replace(/^whatsapp:/i, "").replace(/^\+/, "");
     return stripped.includes("@g.us") ? stripped : `${stripped}@s.whatsapp.net`;
-  },
-  isWhatsAppGroupJid: (value: string) => value.endsWith("@g.us"),
-  resolveWhatsAppOutboundTarget: ({
-    to,
-    allowFrom,
-    mode,
-  }: {
-    to?: string;
-    allowFrom: string[];
-    mode: "explicit" | "implicit";
-  }) => {
-    const raw = typeof to === "string" ? to.trim() : "";
-    if (!raw) {
-      return { ok: false, error: new Error("missing target") };
-    }
-    const normalizeWhatsAppTarget = (value: string) => {
-      if (value === "invalid-target") return null;
-      const stripped = value.replace(/^whatsapp:/i, "").replace(/^\+/, "");
-      return stripped.includes("@g.us") ? stripped : `${stripped}@s.whatsapp.net`;
-    };
-    const normalized = normalizeWhatsAppTarget(raw);
-    if (!normalized) {
-      return { ok: false, error: new Error("invalid target") };
-    }
+  };
 
-    if (mode === "implicit" && !normalized.endsWith("@g.us")) {
-      const allowAll = allowFrom.includes("*");
-      const allowExact = allowFrom.some((entry) => {
-        if (!entry) {
-          return false;
-        }
-        const normalizedEntry = normalizeWhatsAppTarget(entry.trim());
-        return normalizedEntry?.toLowerCase() === normalized.toLowerCase();
-      });
-      if (!allowAll && !allowExact) {
-        return { ok: false, error: new Error("target not allowlisted") };
+  return {
+    ...actual,
+    getChatChannelMeta: () => ({ id: "whatsapp", label: "WhatsApp" }),
+    normalizeWhatsAppTarget,
+    isWhatsAppGroupJid: (value: string) => value.endsWith("@g.us"),
+    resolveWhatsAppOutboundTarget: ({
+      to,
+      allowFrom,
+      mode,
+    }: {
+      to?: string;
+      allowFrom: string[];
+      mode: "explicit" | "implicit";
+    }) => {
+      const raw = typeof to === "string" ? to.trim() : "";
+      if (!raw) {
+        return { ok: false, error: new Error("missing target") };
+      }
+      const normalized = normalizeWhatsAppTarget(raw);
+      if (!normalized) {
+        return { ok: false, error: new Error("invalid target") };
       }
-    }
 
-    return { ok: true, to: normalized };
-  },
-  missingTargetError: (provider: string, hint: string) =>
-    new Error(`Delivering to ${provider} requires target ${hint}`),
-  WhatsAppConfigSchema: {},
-  whatsappOnboardingAdapter: {},
-  resolveWhatsAppHeartbeatRecipients: vi.fn(),
-  buildChannelConfigSchema: vi.fn(),
-  collectWhatsAppStatusIssues: vi.fn(),
-  createActionGate: vi.fn(),
-  DEFAULT_ACCOUNT_ID: "default",
-  escapeRegExp: vi.fn(),
-  formatPairingApproveHint: vi.fn(),
-  listWhatsAppAccountIds: vi.fn(),
-  listWhatsAppDirectoryGroupsFromConfig: vi.fn(),
-  listWhatsAppDirectoryPeersFromConfig: vi.fn(),
-  looksLikeWhatsAppTargetId: vi.fn(),
-  migrateBaseNameToDefaultAccount: vi.fn(),
-  normalizeAccountId: vi.fn(),
-  normalizeE164: vi.fn(),
-  normalizeWhatsAppMessagingTarget: vi.fn(),
-  readStringParam: vi.fn(),
-  resolveDefaultWhatsAppAccountId: vi.fn(),
-  resolveWhatsAppAccount: vi.fn(),
-  resolveWhatsAppGroupIntroHint: vi.fn(),
-  resolveWhatsAppGroupRequireMention: vi.fn(),
-  resolveWhatsAppGroupToolPolicy: vi.fn(),
-  resolveWhatsAppMentionStripPatterns: vi.fn(() => []),
-  applyAccountNameToChannelSection: vi.fn(),
-}));
+      if (mode === "implicit" && !normalized.endsWith("@g.us")) {
+        const allowAll = allowFrom.includes("*");
+        const allowExact = allowFrom.some((entry) => {
+          if (!entry) {
+            return false;
+          }
+          const normalizedEntry = normalizeWhatsAppTarget(entry.trim());
+          return normalizedEntry?.toLowerCase() === normalized.toLowerCase();
+        });
+        if (!allowAll && !allowExact) {
+          return { ok: false, error: new Error("target not allowlisted") };
+        }
+      }
+
+      return { ok: true, to: normalized };
+    },
+    missingTargetError: (provider: string, hint: string) =>
+      new Error(`Delivering to ${provider} requires target ${hint}`),
+  };
+});
 
 vi.mock("./runtime.js", () => ({
   getWhatsAppRuntime: vi.fn(() => ({