feat: resume exploration exactly and harden campaign saves

scripts/verify-static-data.mjs

@@ -5,6 +5,8 @@ const checks = [
   'scripts/verify-flow-segment-data.mjs',
   'scripts/verify-campaign-flow-data.mjs',
   'scripts/verify-campaign-save-normalization.mjs',
+  'scripts/verify-campaign-exploration-checkpoint-normalization.mjs',
+  'scripts/verify-campaign-settlement-idempotency.mjs',
   'scripts/verify-camp-visit-resume-state.mjs',
   'scripts/verify-campaign-completion.mjs',
   'scripts/verify-campaign-presentation-profiles.mjs',
@@ -25,6 +27,7 @@ const checks = [
   'scripts/verify-camp-reward-data.mjs',
   'scripts/verify-city-stay-data.mjs',
   'scripts/verify-city-equipment-preparation.mjs',
+  'scripts/verify-city-purchase-idempotency.mjs',
   'scripts/verify-xuzhou-stay-battle-payoff.mjs',
   'scripts/verify-xuzhou-stay-narrative-memory.mjs',
   'scripts/verify-prologue-village-data.mjs',