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/functions/backend/db/workspaces/grab-workspace-name.ts

@@ -0,0 +1,20 @@
+import BunSQLite from "@moduletrace/bun-sqlite";
+
+type Params = {
+    workspace_id?: number | string | null;
+};
+
+/**
+ * A workspace's name as it is, without an access check, for copy the
+ * caller already decided to show. Null when there's none.
+ */
+export default async function grabWorkspaceName({ workspace_id }: Params): Promise<string | null> {
+    if (!workspace_id) return null;
+
+    const res = await BunSQLite.sql<{ name: string | null }>({
+        sql: `SELECT name FROM workspaces WHERE id = ? LIMIT 1`,
+        values: [Number(workspace_id)],
+    });
+
+    return res.payload?.[0]?.name || null;
+}