Name the workspace in a bot's task status line

A task running in a workspace shows "Working on a task in <name>
workspace", so the bot's own chat and the main rail say where the work
is. Outside a workspace it stays "Working on a task".

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/utils/task-status-line.test.ts

@@ -0,0 +1,13 @@
+import { describe, expect, test } from "bun:test";
+import taskStatusLine from "./task-status-line";
+
+describe("taskStatusLine", () => {
+    test("names the workspace a task runs in", () => {
+        expect(taskStatusLine({ workspace_name: "Launch" })).toBe("Working on a task in Launch workspace");
+    });
+
+    test("says just working on a task outside a workspace", () => {
+        expect(taskStatusLine({})).toBe("Working on a task");
+        expect(taskStatusLine({ workspace_name: "  " })).toBe("Working on a task");
+    });
+});

src/utils/task-status-line.ts

@@ -0,0 +1,18 @@
+import { BotTaskStatusLine } from "@/src/dict/bot-queue-dict";
+
+type Params = {
+    /**
+     * The workspace the task runs in, if any.
+     */
+    workspace_name?: string | null;
+};
+
+/**
+ * The status line while a task runs, naming its workspace when it runs in
+ * one, so the bot's own chat says where the work is. Never the task.
+ */
+export default function taskStatusLine({ workspace_name }: Params) {
+    const name = workspace_name?.trim();
+
+    return name ? `${BotTaskStatusLine} in ${name} workspace` : BotTaskStatusLine;
+}