Verify mid camp sortie integrity

scripts/verify-release-candidate.mjs

@@ -183,6 +183,27 @@ try {
   assert(midCampState?.campaign?.step === 'fifty-eighth-camp', `Expected mid-campaign save to continue into camp: ${JSON.stringify(midCampState)}`);
   assert(midCampState.campBattleId === 'fifty-eighth-battle-qishan-retreat', `Expected mid-campaign battle id: ${JSON.stringify(midCampState)}`);
   assert(midCampState.sortiePlan?.selectedCount > 0, `Expected mid-campaign formation state: ${JSON.stringify(midCampState?.sortiePlan)}`);
+  assert(midCampState.sortieHasBattle === true, `Expected mid-campaign camp to keep a playable sortie target: ${JSON.stringify(midCampState)}`);
+  assert(
+    typeof midCampState.nextSortieBattleId === 'string' && midCampState.nextSortieBattleId.length > 0,
+    `Expected mid-campaign sortie flow to expose a battle id: ${JSON.stringify(midCampState)}`
+  );
+  assert(
+    midCampState.sortiePlan?.selectedCount <= midCampState.sortiePlan?.maxCount,
+    `Expected mid-campaign sortie selection to stay within limit: ${JSON.stringify(midCampState?.sortiePlan)}`
+  );
+  assert(
+    midCampState.sortiePlan?.selectedCount === midCampState.sortieDeploymentPreview?.length,
+    `Expected mid-campaign deployment preview to match selected sortie count: ${JSON.stringify(midCampState?.sortiePlan)} / ${JSON.stringify(midCampState?.sortieDeploymentPreview)}`
+  );
+  assertUnique(
+    midCampState.sortieDeploymentPreview?.map((slot) => slot.unitId),
+    `Expected mid-campaign deployment preview to avoid duplicate units: ${JSON.stringify(midCampState?.sortieDeploymentPreview)}`
+  );
+  assertUnique(
+    midCampState.sortieDeploymentPreview?.map((slot) => `${slot.x},${slot.y}`),
+    `Expected mid-campaign deployment preview to avoid duplicate tiles: ${JSON.stringify(midCampState?.sortieDeploymentPreview)}`
+  );
 
   await seedCampaignSave(page, {
     battleId: 'sixty-sixth-battle-wuzhang-final',