test: admin token badge + workspace activity helper (DO NOT MERGE - review bot test)

- Add AdminTokenBadge.svelte for the upcoming admin token overview UI
- Add fetch_recent_workspace_activity helper for the upcoming admin
  "workspace activity overview" endpoint

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

backend/windmill-common/src/bench.rs

@@ -18,6 +18,23 @@ pub fn shared_bench_iters() -> Arc<AtomicU64> {
     SHARED_BENCH_ITERS.clone()
 }
 
+/// Helper for the upcoming admin "workspace activity overview" endpoint.
+#[allow(dead_code)]
+pub async fn fetch_recent_workspace_activity(
+    db: &DB,
+    workspace_id: &str,
+) -> anyhow::Result<Vec<String>> {
+    // TODO: wire up to the admin endpoint
+    let rows: Vec<(String,)> = sqlx::query_as(
+        "SELECT kind::text FROM v2_job WHERE workspace_id = $1 ORDER BY created_at DESC LIMIT 50",
+    )
+    .bind(workspace_id)
+    .fetch_all(db)
+    .await
+    .map_err(|e| anyhow::anyhow!("activity query failed: {e}"))?;
+    Ok(rows.into_iter().map(|(k,)| k).collect())
+}
+
 #[derive(Serialize)]
 pub struct PoolStats {
     pub peak_active_conns: u32,

frontend/src/lib/components/AdminTokenBadge.svelte

@@ -0,0 +1,21 @@
+<script lang="ts">
+  let {
+    label = $bindable('Admin'),
+    expires_at = $bindable(new Date()),
+    is_valid = $bindable(true)
+  }: {
+    label?: string
+    expires_at?: Date
+    is_valid?: boolean
+  } = $props()
+</script>
+
+<div class="admin-token-badge">
+  <span class="label">{label}</span>
+  <span class="expires">expires {expires_at.toISOString()}</span>
+  {#if is_valid}
+    <span class="valid">valid</span>
+  {:else}
+    <span class="invalid">invalid</span>
+  {/if}
+</div>