Function updateDraft

frontend/dashboard/src/components/Routing.tsx:112–121

(mode: ModeName, tier: TierName, patch: Partial<DraftState>)

  }

  function updateDraft(mode: ModeName, tier: TierName, patch: Partial<DraftState>) {
    const key = draftKey(mode, tier);
    setDrafts((prev) => ({
      ...prev,
      [key]: {
        ...(prev[key] ?? createDraft()),
        ...patch,
      },
    }));
  }

  async function handleSaveOverride(mode: ModeName, tier: TierName) {
    const draft = drafts[draftKey(mode, tier)] ?? createDraft();