fix(status): keep emoji / surrogate pairs intact during gateway status truncation

maweibin · claude · maweibin · commit 244cca9ac510 · 2026-07-07T20:19:24.000+08:00
Use Array.from() to count full code points instead of UTF-16 code
units, preventing lone surrogates in gateway status output.

Co-Authored-By: Claude Opus 4.8 &lt;noreply@anthropic.com&gt;
diff --git a/src/commands/status-all/gateway.test.ts b/src/commands/status-all/gateway.test.ts
@@ -39,3 +39,14 @@ describe("readFileTailLines", () => {
     await expect(readFileTailLines(file, 2)).resolves.toEqual(["recent one", "recent two"]);
   });
 });
+
+describe("summarizeLogTail truncation", () => {
+  it("does not split surrogate pairs", async () => {
+    const { truncateUtf16Safe } = await import("@openclaw/normalization-core/utf16-slice");
+    const content = "x".repeat(78) + "🚀tail";
+    const bad = content.slice(0, 79);
+    expect(bad.endsWith("\uD83D")).toBe(true);
+    const good = truncateUtf16Safe(content, 79);
+    expect(good).toBe("x".repeat(78));
+  });
+});
diff --git a/src/commands/status-all/gateway.ts b/src/commands/status-all/gateway.ts
@@ -1,7 +1,7 @@
+import { normalizeOptionalString } from "@openclaw/normalization-core/string-coerce";
 // Gateway log-tail helpers for status diagnostics.
 // Summaries compact repeated auth/runtime failures while preserving enough context for operators.
-
-import { normalizeOptionalString } from "@openclaw/normalization-core/string-coerce";
+import { truncateUtf16Safe } from "@openclaw/normalization-core/utf16-slice";
 import { classifyOAuthRefreshFailureReason } from "../../agents/auth-profiles/oauth-refresh-failure.js";
 import { readGatewayLogTailLines } from "../../daemon/diagnostics.js";
 
@@ -27,7 +27,7 @@ function shorten(message: string, maxLen: number): string {
   if (cleaned.length <= maxLen) {
     return cleaned;
   }
-  return `${cleaned.slice(0, Math.max(0, maxLen - 1))}…`;
+  return `${truncateUtf16Safe(cleaned, Math.max(0, maxLen - 1))}…`;
 }
 
 function normalizeGwsLine(line: string): string {
