Function add

src/context/stats.tsx:69–76

(name: string, value: string)

      }
    },
    add(name: string, value: string) {
      let s = sets.get(name);
      if (!s) {
        s = new Set();
        sets.set(name, s);
      }
      s.add(value);
    },
    getAll() {
      const result: Record<string, number> = Object.fromEntries(metrics);
      for (const [name, h] of histograms) {