feat(seed): insert loadtest star (star_id=999900)

backend/scripts/loadgen/seed/stars.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"database/sql"
+	"time"
+)
+
+func SeedStars(db *sql.DB) error {
+	ts := time.Now().UnixMilli()
+	_, err := db.Exec(`
+        INSERT INTO stars (star_id, name, identity_id, is_active, created_at, updated_at)
+        VALUES ($1, 'loadtest_star', 'loadtest_star', true, $2, $2)
+        ON CONFLICT (star_id) DO NOTHING
+    `, LoadtestStarID, ts)
+	return err
+}