feat: add tactical initiative commands

src/game/state/campaignState.ts

@@ -568,6 +568,11 @@ export function loadCampaignState(slot?: number) {
   return cloneCampaignState(campaignState);
 }
 
+export function readCampaignSaveState(slot: number) {
+  const state = readStoredCampaignState(slot);
+  return state ? cloneCampaignState(state) : undefined;
+}
+
 export function saveCampaignState(state = ensureCampaignState(), slot = state.activeSaveSlot) {
   campaignState = normalizeCampaignState(state);
   campaignState.activeSaveSlot = normalizeSlot(slot);