Surface shared inventory failures and isolate test database storage

server/kalem-store.mjs

@@ -23,7 +23,7 @@ try {
 }
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
-const DATA_DIR = path.join(__dirname, 'data');
+const DATA_DIR = process.env.IHALEIST_SHARED_DATA_DIR || path.join(__dirname, 'data');
 const DB_PATH = path.join(DATA_DIR, 'kalem.sqlite');
 
 const SCHEMA = `
@@ -56,11 +56,14 @@ export function available() {
 
 function open() {
   if (db) return db;
-  if (!DatabaseSync) return null;
+  if (!DatabaseSync) throw new Error('Kalem deposu bu sunucuda kullanılamıyor.');
   fs.mkdirSync(DATA_DIR, { recursive: true });
-  db = new DatabaseSync(DB_PATH);
-  db.exec('PRAGMA journal_mode = WAL;');
-  db.exec(SCHEMA);
+  const candidate = new DatabaseSync(DB_PATH);
+  try {
+    candidate.exec('PRAGMA journal_mode = WAL;');
+    candidate.exec(SCHEMA);
+    db = candidate;
+  } catch (error) { candidate.close(); throw error; }
   return db;
 }