BREAKING CHANGE(core): Refactor to v3: introduce modular core/domain architecture, plugin system, observability and strict TypeScript configuration; remove legacy classes

ts/domain/transactions/index.ts

@@ -0,0 +1,31 @@
+/**
+ * Transaction Module
+ *
+ * Distributed transactions with ACID-like semantics
+ */
+
+// Main classes
+export {
+  TransactionManager,
+  Transaction,
+  createTransactionManager,
+} from './transaction-manager.js';
+
+// Types
+export type {
+  TransactionIsolationLevel,
+  TransactionState,
+  LockingStrategy,
+  TransactionOperationType,
+  TransactionOperation,
+  TransactionConfig,
+  TransactionContext,
+  TransactionResult,
+  TransactionStats,
+  LockInfo,
+  ConflictResolutionStrategy,
+  ConflictInfo,
+  TransactionManagerConfig,
+  Savepoint,
+  TransactionCallbacks,
+} from './types.js';