fix: prevent camp save click-through

scripts/verify-interaction-ux.mjs

@@ -42,9 +42,12 @@ const expectedBattleId = 'second-battle-yellow-turban-pursuit';
 
 let serverProcess;
 let browser;
+const pageErrors = [];
+let delayedBattleModuleRequests = 0;
 
 try {
   serverProcess = await ensureLocalServer(targetUrl);
+  await prewarmBattleSceneModule(targetUrl);
   browser = await chromium.launch({
     headless:
       process.env.VERIFY_INTERACTION_UX_HEADLESS !== '0',
@@ -60,10 +63,8 @@ try {
   const page = await context.newPage();
   page.setDefaultTimeout(30000);
 
-  const pageErrors = [];
   page.on('pageerror', (error) => pageErrors.push(error.stack ?? error.message));
 
-  let delayedBattleModuleRequests = 0;
   await page.route('**/src/game/scenes/BattleScene.ts*', async (route) => {
     delayedBattleModuleRequests += 1;
     await delay(1200);
@@ -275,11 +276,49 @@ async function verifyCampModalAndNavigation(page) {
     })}`
   );
 
-  await page.waitForFunction(() => {
-    const scenes = window.__HEROS_DEBUG__?.activeScenes() ?? [];
-    const battle = window.__HEROS_DEBUG__?.battle();
-    return scenes.includes('BattleScene') && battle?.scene === 'BattleScene';
-  }, undefined, { timeout: 90000 });
+  try {
+    await page.waitForFunction(() => {
+      const scenes = window.__HEROS_DEBUG__?.activeScenes() ?? [];
+      const battle = window.__HEROS_DEBUG__?.battle();
+      return scenes.includes('BattleScene') && battle?.scene === 'BattleScene';
+    }, undefined, { timeout: 90000 });
+  } catch (error) {
+    const diagnostic = await page.evaluate(() => {
+      const scene = window.__HEROS_GAME__?.scene.getScene('CampScene');
+      const camp = window.__HEROS_DEBUG__?.camp();
+      return {
+        activeScenes: window.__HEROS_DEBUG__?.activeScenes() ?? [],
+        camp: camp
+          ? {
+              campaignStep: camp.campaign?.step ?? null,
+              sortiePrepStep: camp.sortiePrepStep ?? null,
+              sortiePrimaryAction: camp.sortiePrimaryAction?.kind ?? null,
+              selectedSortieUnitIds: camp.selectedSortieUnitIds ?? [],
+              nextSortieBattleId: camp.nextSortieBattleId ?? null,
+              skipIntroStoryForSortie:
+                camp.skipIntroStoryForSortie ?? null
+            }
+          : null,
+        navigationPending: scene?.navigationPending ?? null,
+        navigationBlockerCount: scene?.navigationBlockerObjects?.length ?? null,
+        saveSlotObjectCount: scene?.saveSlotObjects?.length ?? null,
+        saveConfirmObjectCount: scene?.saveSlotConfirmObjects?.length ?? null,
+        sceneKeys: Object.keys(window.__HEROS_GAME__?.scene.keys ?? {}),
+        resources: performance
+          .getEntriesByType('resource')
+          .map((entry) => entry.name)
+          .filter((name) => name.includes('BattleScene'))
+      };
+    });
+    throw new Error(
+      `BattleScene did not become active after camp navigation: ${JSON.stringify({
+        diagnostic,
+        delayedBattleModuleRequests,
+        pageErrors
+      })}`,
+      { cause: error }
+    );
+  }
   const navigationCompleteState = await page.evaluate(() => ({
     battleSceneStarts: window.__HEROS_INTERACTION_UX__?.battleSceneStarts ?? 0,
     activeScenes: window.__HEROS_DEBUG__?.activeScenes() ?? []
@@ -2260,6 +2299,23 @@ async function canReach(url) {
   }
 }
 
+async function prewarmBattleSceneModule(url) {
+  const parsed = new URL(url);
+  const moduleUrl = new URL(
+    '/heros_web/src/game/scenes/BattleScene.ts',
+    parsed.origin
+  );
+  const response = await fetch(moduleUrl, {
+    signal: AbortSignal.timeout(30000)
+  });
+  if (!response.ok) {
+    throw new Error(
+      `Could not prewarm the BattleScene module (${response.status}) at ${moduleUrl}.`
+    );
+  }
+  await response.arrayBuffer();
+}
+
 function delay(ms) {
   return new Promise((resolve) => setTimeout(resolve, ms));
 }