Validate sortie flow next battle titles

scripts/verify-campaign-flow-data.mjs

@@ -15,6 +15,7 @@ const sortieFlowBodies = extractSortieFlowBodies(campaignFlowSource, battleScena
 const sortieFlowAfterBattleIds = extractSortieFlowAfterBattleIds(campaignFlowSource, battleScenarioIds);
 const sortieFlowCampaignSteps = extractSortieFlowCampaignSteps(campaignFlowSource);
 const sortieFlowNextBattleIds = extractSortieFlowNextBattleIds(campaignFlowSource, battleScenarioIds);
+const sortieFlowTitleBattleIds = extractSortieFlowTitleBattleIds(campaignFlowSource, battleScenarioIds);
 const campaignRewardUnlockBattleIds = extractCampaignRewardUnlockBattleIds(battlesSource, battleScenarioIds);
 const sortieFlowDisplayFields = ['eyebrow', 'title', 'description', 'rewardHint'];
 
@@ -42,6 +43,14 @@ for (const [flowKey, campaignStep] of sortieFlowCampaignSteps.entries()) {
 
 for (const [flowKey, nextBattleId] of sortieFlowNextBattleIds.entries()) {
   assert(battleIds.has(nextBattleId), `Sortie flow ${flowKey} references unknown next battle id: ${nextBattleId}`);
+  const titleBattleId = sortieFlowTitleBattleIds.get(flowKey);
+  assert(titleBattleId, `Sortie flow ${flowKey} has next battle ${nextBattleId} but title is not a battle title reference`);
+  if (titleBattleId) {
+    assert(
+      titleBattleId === nextBattleId,
+      `Sortie flow ${flowKey} title points to ${titleBattleId} instead of next battle ${nextBattleId}`
+    );
+  }
 }
 
 for (const flowKey of sortieFlowKeys) {
@@ -219,6 +228,15 @@ function extractSortieFlowNextBattleIds(source, scenarioIds) {
   return entries;
 }
 
+function extractSortieFlowTitleBattleIds(source, scenarioIds) {
+  const entries = new Map();
+  const propertyEntries = extractSortieFlowProperty(source, /title:\s*(\w+BattleScenario)\.title/);
+  for (const [flowKey, variableName] of propertyEntries.entries()) {
+    entries.set(flowKey, scenarioIds.get(variableName) ?? variableName);
+  }
+  return entries;
+}
+
 function extractSortieFlowAfterBattleIds(source, scenarioIds) {
   const entries = new Map();
   const scenarioEntries = extractSortieFlowProperty(source, /afterBattleId:\s*(\w+BattleScenario)\.id/);