feat: resume exploration exactly and harden campaign saves

scripts/verify-camp-visit-resume-state.mjs

@@ -82,15 +82,15 @@ try {
     verifyValidSetterPersistence(fixture);
     verifyNormalizationFailures(fixture);
     verifyCampaignStepClearsVisit(fixture);
-    verifyBattleRecordUpdateClearsVisit(fixture, 'victory');
-    verifyBattleRecordUpdateClearsVisit(fixture, 'defeat');
+    verifySettledBattleReplayPreservesVisit(fixture, 'victory');
+    verifySettledBattleReplayPreservesVisit(fixture, 'defeat');
   }
 
   verifyCityMutualExclusion();
   verifyLegacySaveWithoutCampVisitField();
 
   console.log(
-    'Verified camp-visit resume state for all three visits: setter validation, base/active-slot persistence, reload retention, resume summaries, invalid-state normalization, campaign-step and battle-record clearing, city mutual exclusion, and legacy-save compatibility.'
+    'Verified camp-visit resume state for all three visits: setter validation, base/active-slot persistence, reload retention, resume summaries, invalid-state normalization, campaign-step clearing, settled battle replay preservation, city mutual exclusion, and legacy-save compatibility.'
   );
 
   function verifyValidSetterPersistence(fixture) {
@@ -271,23 +271,31 @@ try {
     );
   }
 
-  function verifyBattleRecordUpdateClearsVisit(fixture, outcome) {
+  function verifySettledBattleReplayPreservesVisit(
+    fixture,
+    outcome
+  ) {
     storage.clear();
     campaign.setCampaignState(validCampVisitState(fixture, 2));
     campaign.setActiveCampVisitId(fixture.visitId);
 
-    campaign.setFirstBattleReport(
+    const replayedReport = campaign.setFirstBattleReport(
       battleReport(fixture.sourceBattleId, outcome)
     );
+    assert.equal(
+      replayedReport.outcome,
+      'victory',
+      `${fixture.visitId}: a settled ${outcome} replay must resolve to the existing victory.`
+    );
     assert.equal(
       campaign.getCampaignState().activeCampVisitId,
-      undefined,
-      `${fixture.visitId}: a ${outcome} battle-record update must clear the active visit.`
+      fixture.visitId,
+      `${fixture.visitId}: a settled ${outcome} replay must preserve the active visit.`
     );
     assertPersistedVisit(
-      undefined,
+      fixture.visitId,
       2,
-      `${fixture.visitId}: ${outcome} battle-record persistence`
+      `${fixture.visitId}: settled ${outcome} replay persistence`
     );
   }