diff --git a/src/infra/outbound/outbound-policy.test.ts b/src/infra/outbound/outbound-policy.test.ts
new file mode 100644
index 00000000000..fd19649c345
--- /dev/null
+++ b/src/infra/outbound/outbound-policy.test.ts
@@ -0,0 +1,127 @@
+import { describe, expect, it } from "vitest";
+import type { OpenClawConfig } from "../../config/config.js";
+import {
+  applyCrossContextDecoration,
+  buildCrossContextDecoration,
+  enforceCrossContextPolicy,
+  shouldApplyCrossContextMarker,
+} from "./outbound-policy.js";
+
+const slackConfig = {
+  channels: {
+    slack: {
+      botToken: "xoxb-test",
+      appToken: "xapp-test",
+    },
+  },
+} as OpenClawConfig;
+
+const discordConfig = {
+  channels: {
+    discord: {},
+  },
+} as OpenClawConfig;
+
+describe("outbound policy helpers", () => {
+  it("allows cross-provider sends when enabled", () => {
+    const cfg = {
+      ...slackConfig,
+      tools: {
+        message: { crossContext: { allowAcrossProviders: true } },
+      },
+    } as OpenClawConfig;
+
+    expect(() =>
+      enforceCrossContextPolicy({
+        cfg,
+        channel: "telegram",
+        action: "send",
+        args: { to: "telegram:@ops" },
+        toolContext: { currentChannelId: "C12345678", currentChannelProvider: "slack" },
+      }),
+    ).not.toThrow();
+  });
+
+  it("blocks cross-provider sends when not allowed", () => {
+    expect(() =>
+      enforceCrossContextPolicy({
+        cfg: slackConfig,
+        channel: "telegram",
+        action: "send",
+        args: { to: "telegram:@ops" },
+        toolContext: { currentChannelId: "C12345678", currentChannelProvider: "slack" },
+      }),
+    ).toThrow(/target provider "telegram" while bound to "slack"/);
+  });
+
+  it("blocks same-provider cross-context sends when allowWithinProvider is false", () => {
+    const cfg = {
+      ...slackConfig,
+      tools: {
+        message: { crossContext: { allowWithinProvider: false } },
+      },
+    } as OpenClawConfig;
+
+    expect(() =>
+      enforceCrossContextPolicy({
+        cfg,
+        channel: "slack",
+        action: "send",
+        args: { to: "C999" },
+        toolContext: { currentChannelId: "C123", currentChannelProvider: "slack" },
+      }),
+    ).toThrow(/target="C999" while bound to "C123"/);
+  });
+
+  it("uses components when available and preferred", async () => {
+    const decoration = await buildCrossContextDecoration({
+      cfg: discordConfig,
+      channel: "discord",
+      target: "123",
+      toolContext: { currentChannelId: "C12345678", currentChannelProvider: "discord" },
+    });
+
+    expect(decoration).not.toBeNull();
+    const applied = applyCrossContextDecoration({
+      message: "hello",
+      decoration: decoration!,
+      preferComponents: true,
+    });
+
+    expect(applied.usedComponents).toBe(true);
+    expect(applied.componentsBuilder).toBeDefined();
+    expect(applied.componentsBuilder?.("hello").length).toBeGreaterThan(0);
+    expect(applied.message).toBe("hello");
+  });
+
+  it("returns null when decoration is skipped and falls back to text markers", async () => {
+    await expect(
+      buildCrossContextDecoration({
+        cfg: discordConfig,
+        channel: "discord",
+        target: "123",
+        toolContext: {
+          currentChannelId: "C12345678",
+          currentChannelProvider: "discord",
+          skipCrossContextDecoration: true,
+        },
+      }),
+    ).resolves.toBeNull();
+
+    const applied = applyCrossContextDecoration({
+      message: "hello",
+      decoration: { prefix: "[from ops] ", suffix: " [cc]" },
+      preferComponents: true,
+    });
+    expect(applied).toEqual({
+      message: "[from ops] hello [cc]",
+      usedComponents: false,
+    });
+  });
+
+  it("marks only supported cross-context actions", () => {
+    expect(shouldApplyCrossContextMarker("send")).toBe(true);
+    expect(shouldApplyCrossContextMarker("thread-reply")).toBe(true);
+    expect(shouldApplyCrossContextMarker("thread-create")).toBe(false);
+  });
+});
diff --git a/src/infra/outbound/outbound.test.ts b/src/infra/outbound/outbound.test.ts
index c7f55363350..84a38298145 100644
--- a/src/infra/outbound/outbound.test.ts
+++ b/src/infra/outbound/outbound.test.ts
@@ -16,11 +16,6 @@ import {
   moveToFailed,
   recoverPendingDeliveries,
 } from "./delivery-queue.js";
-import {
-  applyCrossContextDecoration,
-  buildCrossContextDecoration,
-  enforceCrossContextPolicy,
-} from "./outbound-policy.js";
 import { resolveOutboundSessionRoute } from "./outbound-session.js";
 import { runResolveOutboundTargetCoreTests } from "./targets.shared-test.js";
 
@@ -603,63 +598,6 @@ describe("delivery-queue", () => {
   });
 });
 
-const slackConfig = {
-  channels: {
-    slack: {
-      botToken: "xoxb-test",
-      appToken: "xapp-test",
-    },
-  },
-} as OpenClawConfig;
-
-const discordConfig = {
-  channels: {
-    discord: {},
-  },
-} as OpenClawConfig;
-
-describe("outbound policy", () => {
-  it("allows cross-provider sends when enabled", () => {
-    const cfg = {
-      ...slackConfig,
-      tools: {
-        message: { crossContext: { allowAcrossProviders: true } },
-      },
-    } as OpenClawConfig;
-
-    expect(() =>
-      enforceCrossContextPolicy({
-        cfg,
-        channel: "telegram",
-        action: "send",
-        args: { to: "telegram:@ops" },
-        toolContext: { currentChannelId: "C12345678", currentChannelProvider: "slack" },
-      }),
-    ).not.toThrow();
-  });
-
-  it("uses components when available and preferred", async () => {
-    const decoration = await buildCrossContextDecoration({
-      cfg: discordConfig,
-      channel: "discord",
-      target: "123",
-      toolContext: { currentChannelId: "C12345678", currentChannelProvider: "discord" },
-    });
-
-    expect(decoration).not.toBeNull();
-    const applied = applyCrossContextDecoration({
-      message: "hello",
-      decoration: decoration!,
-      preferComponents: true,
-    });
-
-    expect(applied.usedComponents).toBe(true);
-    expect(applied.componentsBuilder).toBeDefined();
-    expect(applied.componentsBuilder?.("hello").length).toBeGreaterThan(0);
-    expect(applied.message).toBe("hello");
-  });
-});
-
 describe("resolveOutboundSessionRoute", () => {
   const baseConfig = {} as OpenClawConfig;