fix (webchat): omit direct conversation labels from inbound metadata context

src/auto-reply/reply/inbound-meta.test.ts

@@ -0,0 +1,24 @@
+import { describe, expect, it } from "vitest";
+import type { TemplateContext } from "../templating.js";
+import { buildInboundUserContextPrefix } from "./inbound-meta.js";
+
+describe("buildInboundUserContextPrefix", () => {
+  it("omits conversation label block for direct chats", () => {
+    const text = buildInboundUserContextPrefix({
+      ChatType: "direct",
+      ConversationLabel: "openclaw-tui",
+    } as TemplateContext);
+
+    expect(text).toBe("");
+  });
+
+  it("keeps conversation label for group chats", () => {
+    const text = buildInboundUserContextPrefix({
+      ChatType: "group",
+      ConversationLabel: "ops-room",
+    } as TemplateContext);
+
+    expect(text).toContain("Conversation info (untrusted metadata):");
+    expect(text).toContain('"conversation_label": "ops-room"');
+  });
+});

src/auto-reply/reply/inbound-meta.ts

@@ -52,7 +52,7 @@ export function buildInboundUserContextPrefix(ctx: TemplateContext): string {
   const isDirect = !chatType || chatType === "direct";
 
   const conversationInfo = {
-    conversation_label: safeTrim(ctx.ConversationLabel),
+    conversation_label: isDirect ? undefined : safeTrim(ctx.ConversationLabel),
     group_subject: safeTrim(ctx.GroupSubject),
     group_channel: safeTrim(ctx.GroupChannel),
     group_space: safeTrim(ctx.GroupSpace),