diff --git a/src/cli/command-execution-startup.test.ts b/src/cli/command-execution-startup.test.ts
index b15afaa42dab..9fe3a1dc6ff7 100644
--- a/src/cli/command-execution-startup.test.ts
+++ b/src/cli/command-execution-startup.test.ts
@@ -56,7 +56,7 @@ describe("command-execution-startup", () => {
       commandPath: ["status"],
       startupPolicy: {
         suppressDoctorStdout: true,
-        hideBanner: false,
+        hideBanner: true,
         skipConfigGuard: true,
         loadPlugins: false,
         pluginRegistry: { scope: "channels" },
diff --git a/src/cli/command-startup-policy.test.ts b/src/cli/command-startup-policy.test.ts
index f6d5449b4f62..ca78d7ed6f44 100644
--- a/src/cli/command-startup-policy.test.ts
+++ b/src/cli/command-startup-policy.test.ts
@@ -328,6 +328,9 @@ describe("command-startup-policy", () => {
       }).hideBanner,
     ).toBe(true);
     expect(resolvePolicy({ commandPath: ["status"], env: {} }).hideBanner).toBe(false);
+    expect(
+      resolvePolicy({ commandPath: ["status"], jsonOutputMode: true, env: {} }).hideBanner,
+    ).toBe(true);
   });
 
   it("uses process env banner suppression when startup env is omitted", () => {
@@ -366,7 +369,7 @@ describe("command-startup-policy", () => {
       }),
     ).toEqual({
       suppressDoctorStdout: true,
-      hideBanner: false,
+      hideBanner: true,
       skipConfigGuard: true,
       loadPlugins: false,
       pluginRegistry: { scope: "channels" },
diff --git a/src/cli/command-startup-policy.ts b/src/cli/command-startup-policy.ts
index e676586cdc94..ffc67e882bfa 100644
--- a/src/cli/command-startup-policy.ts
+++ b/src/cli/command-startup-policy.ts
@@ -35,9 +35,10 @@ export function resolveCliStartupPolicy(params: {
       ? commandPolicy.configGuard({ argv: params.argv ?? [], commandPath: params.commandPath })
       : commandPolicy.configGuard;
   const env = params.env ?? process.env;
+  const hideBanner = params.jsonOutputMode || commandPolicy.hideBanner;
   return {
     suppressDoctorStdout,
-    hideBanner: isTruthyEnvValue(env.OPENCLAW_HIDE_BANNER) || commandPolicy.hideBanner,
+    hideBanner: hideBanner || isTruthyEnvValue(env.OPENCLAW_HIDE_BANNER),
     skipConfigGuard:
       configGuard === "skip" || (configGuard === "when-suppressed" && suppressDoctorStdout),
     ...(configGuard === "validate" ? { validateConfigOnly: true } : {}),
diff --git a/src/cli/program/preaction.test.ts b/src/cli/program/preaction.test.ts
index 70c97d2ce993..b7a9175368d4 100644
--- a/src/cli/program/preaction.test.ts
+++ b/src/cli/program/preaction.test.ts
@@ -891,6 +891,7 @@ describe("registerPreActionHooks", () => {
     }
 
     expect(routeLogsToStderrMock).toHaveBeenCalledOnce();
+    expect(emitCliBannerMock).not.toHaveBeenCalled();
     expect(observedMachineOutputStdoutIsTTY).toBe(false);
     expect(ensureConfigReadyMock).toHaveBeenCalledWith({
       runtime: runtimeMock,
diff --git a/test/cli-json-stdout.e2e.test.ts b/test/cli-json-stdout.e2e.test.ts
index 301c29d5e701..8c206a766973 100644
--- a/test/cli-json-stdout.e2e.test.ts
+++ b/test/cli-json-stdout.e2e.test.ts
@@ -97,7 +97,29 @@ describe("cli json stdout contract", () => {
       commander: true,
     },
     {
-      name: "dual-TTY JSON",
+      name: "dual-TTY implicit JSON",
+      args: ["cron", "edit", "job-1", "--enable", "--disable"],
+      tty: true,
+    },
+    {
+      name: "dual-TTY automation alias implicit JSON",
+      args: ["automations", "edit", "job-1", "--enable", "--disable"],
+      tty: true,
+    },
+    {
+      name: "dual-TTY implicit JSON command sibling",
+      args: ["cron", "runs", "--id", "job-1", "--limit", "invalid"],
+      message: "Invalid --limit (must be a positive integer).",
+      tty: true,
+    },
+    {
+      name: "dual-TTY raw-output command sibling",
+      args: ["cron", "scratch", "job-1", "--set", "updated", "--unset"],
+      message: "choose only one of --set, --file, or --unset",
+      tty: true,
+    },
+    {
+      name: "dual-TTY explicit JSON",
       args: ["cron", "edit", "job-1", "--enable", "--disable", "--json"],
       tty: true,
     },
@@ -107,6 +129,13 @@ describe("cli json stdout contract", () => {
       message: "--agent must not be blank",
       human: true,
     },
+    {
+      name: "dual-TTY human-output sibling",
+      args: ["cron", "list", "--agent", ""],
+      message: "--agent must not be blank",
+      human: true,
+      tty: true,
+    },
   ])("renders cron edit failures through the shared owner for $name", async (testCase) => {
     await withTempHome(
       async (tempHome) => {
@@ -139,10 +168,14 @@ describe("cli json stdout contract", () => {
             : (testCase.message ?? "Choose --enable or --disable, not both");
 
         expect(result.status, result.stderr).toBe(1);
-        expect(result.stdout, result.stderr).not.toMatch(/[\u001B\u0007]/u);
         if ("human" in testCase) {
-          expect(result.stdout).toBe("");
+          if ("tty" in testCase) {
+            expect(result.stdout).toContain("OpenClaw");
+          } else {
+            expect(result.stdout).toBe("");
+          }
         } else {
+          expect(result.stdout, result.stderr).not.toMatch(/[\u001B\u0007]/u);
           expect(JSON.parse(result.stdout)).toEqual({
             ok: false,
             error: { type: "cli_error", message },
@@ -155,7 +188,7 @@ describe("cli json stdout contract", () => {
           expect(result.stderr).not.toContain(gatewayError);
           await expect(fs.stat(stateDir)).rejects.toMatchObject({ code: "ENOENT" });
         }
-        if ("tty" in testCase) {
+        if ("tty" in testCase && !("human" in testCase)) {
           expect(result.stderr).toContain("\u001B[?25h");
         }
         await expect(fs.stat(configPath)).rejects.toMatchObject({ code: "ENOENT" });