fix: honor zalouser default runtime account

extensions/zalouser/src/accounts.test.ts

@@ -124,6 +124,27 @@ describe("zalouser account resolution", () => {
     expect(resolved.config.allowFrom).toEqual(["123"]);
   });
 
+  it("uses configured defaultAccount when accountId is omitted", () => {
+    const cfg = asConfig({
+      channels: {
+        zalouser: {
+          defaultAccount: "work",
+          accounts: {
+            work: {
+              name: "Work",
+              profile: "work-profile",
+            },
+          },
+        },
+      },
+    });
+
+    const resolved = resolveZalouserAccountSync({ cfg });
+    expect(resolved.accountId).toBe("work");
+    expect(resolved.name).toBe("Work");
+    expect(resolved.profile).toBe("work-profile");
+  });
+
   it("resolves account config when account key casing differs from normalized id", () => {
     const cfg = asConfig({
       channels: {

extensions/zalouser/src/accounts.ts

@@ -47,7 +47,9 @@ function resolveProfile(config: ZalouserAccountConfig, accountId: string): strin
 }
 
 function resolveZalouserAccountBase(params: { cfg: OpenClawConfig; accountId?: string | null }) {
-  const accountId = normalizeAccountId(params.accountId);
+  const accountId = normalizeAccountId(
+    params.accountId ?? resolveDefaultZalouserAccountId(params.cfg),
+  );
   const baseEnabled =
     (params.cfg.channels?.zalouser as ZalouserConfig | undefined)?.enabled !== false;
   const merged = mergeZalouserAccountConfig(params.cfg, accountId);