Validate campaign unlock flow links

scripts/verify-campaign-flow-data.mjs

@@ -13,6 +13,7 @@ const battleStepRules = extractCampaignBattleSteps(campaignStateSource);
 const sortieFlowKeys = extractSortieFlowKeys(campaignFlowSource, battleScenarioIds);
 const sortieFlowCampaignSteps = extractSortieFlowCampaignSteps(campaignFlowSource);
 const sortieFlowNextBattleIds = extractSortieFlowNextBattleIds(campaignFlowSource, battleScenarioIds);
+const campaignRewardUnlockBattleIds = extractCampaignRewardUnlockBattleIds(battlesSource, battleScenarioIds);
 
 const failures = [];
 
@@ -40,6 +41,16 @@ for (const [flowKey, nextBattleId] of sortieFlowNextBattleIds.entries()) {
   assert(battleIds.has(nextBattleId), `Sortie flow ${flowKey} references unknown next battle id: ${nextBattleId}`);
 }
 
+for (const [battleId, unlockBattleId] of campaignRewardUnlockBattleIds.entries()) {
+  const nextBattleId = sortieFlowNextBattleIds.get(battleId);
+  assert(battleIds.has(unlockBattleId), `Battle ${battleId} campaign reward unlocks unknown battle id: ${unlockBattleId}`);
+  assert(nextBattleId, `Battle ${battleId} campaign reward unlocks ${unlockBattleId} but has no sortie flow next battle`);
+  assert(
+    nextBattleId === unlockBattleId,
+    `Battle ${battleId} campaign reward unlock ${unlockBattleId} does not match sortie flow next battle ${nextBattleId}`
+  );
+}
+
 for (const step of campaignSteps) {
   if (step.endsWith('-battle')) {
     assert(routedBattleSteps.has(step), `Battle campaign step has no routing entry: ${step}`);
@@ -142,6 +153,19 @@ function extractSortieFlowNextBattleIds(source, scenarioIds) {
   return entries;
 }
 
+function extractCampaignRewardUnlockBattleIds(source, scenarioIds) {
+  const entries = new Map();
+  const declarationPattern = /export const (\w+BattleScenario)\b[\s\S]*?^\};/gm;
+  for (const match of source.matchAll(declarationPattern)) {
+    const battleId = scenarioIds.get(match[1]);
+    const unlockMatch = /unlockBattleId:\s*'([^']+)'/.exec(match[0]);
+    if (battleId && unlockMatch) {
+      entries.set(battleId, unlockMatch[1]);
+    }
+  }
+  return entries;
+}
+
 function extractSortieFlowProperty(source, propertyPattern) {
   const objectSource = extractConstObject(source, 'sortieFlows');
   const entries = new Map();