fix: wrap cli banner tagline

src/cli/banner.ts

@@ -1,10 +1,12 @@
 import { resolveCommitHash } from "../infra/git-commit.js";
+import { visibleWidth } from "../terminal/ansi.js";
 import { isRich, theme } from "../terminal/theme.js";
 import { pickTagline, type TaglineOptions } from "./tagline.js";
 
 type BannerOptions = TaglineOptions & {
   argv?: string[];
   commit?: string | null;
+  columns?: number;
   richTty?: boolean;
 };
 
@@ -36,12 +38,28 @@ export function formatCliBannerLine(version: string, options: BannerOptions = {}
   const tagline = pickTagline(options);
   const rich = options.richTty ?? isRich();
   const title = "🦞 Clawdbot";
+  const prefix = "🦞 ";
+  const columns = options.columns ?? process.stdout.columns ?? 120;
+  const plainFullLine = `${title} ${version} (${commitLabel}) — ${tagline}`;
+  const fitsOnOneLine = visibleWidth(plainFullLine) <= columns;
   if (rich) {
-    return `${theme.heading(title)} ${theme.info(version)} ${theme.muted(
+    if (fitsOnOneLine) {
+      return `${theme.heading(title)} ${theme.info(version)} ${theme.muted(
+        `(${commitLabel})`,
+      )} ${theme.muted("—")} ${theme.accentDim(tagline)}`;
+    }
+    const line1 = `${theme.heading(title)} ${theme.info(version)} ${theme.muted(
       `(${commitLabel})`,
-    )} ${theme.muted("—")} ${theme.accentDim(tagline)}`;
+    )}`;
+    const line2 = `${" ".repeat(prefix.length)}${theme.muted("—")} ${theme.accentDim(tagline)}`;
+    return `${line1}\n${line2}`;
   }
-  return `${title} ${version} (${commitLabel}) — ${tagline}`;
+  if (fitsOnOneLine) {
+    return plainFullLine;
+  }
+  const line1 = `${title} ${version} (${commitLabel})`;
+  const line2 = `${" ".repeat(prefix.length)}— ${tagline}`;
+  return `${line1}\n${line2}`;
 }
 
 const LOBSTER_ASCII = [