[framework] TxCore → common-framework (ACM-FW-001)

boot/common-framework/src/main/java/com/klaro/acquirecore/framework/TxServiceRegistry.java

@@ -0,0 +1,57 @@
+package com.klaro.acquirecore.framework;
+
+import org.springframework.stereotype.Service;
+import jakarta.annotation.PostConstruct;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * Service registry for transaction-aware services.
+ * Migrated from txcore.c TX_SERVICE registry functionality.
+ * Replaces C function pointers and registry with Spring @Service DI.
+ */
+@Service
+public class TxServiceRegistry {
+
+    private final Map<String, TxService> services = new ConcurrentHashMap<>();
+
+    @PostConstruct
+    public void initialize() {}
+
+    public void registerService(String name, TxService service) {
+        services.put(name, service);
+    }
+
+    public void unregisterService(String name) {
+        services.remove(name);
+    }
+
+    public TxService getService(String name) {
+        return services.get(name);
+    }
+
+    public boolean hasService(String name) {
+        return services.containsKey(name);
+    }
+
+    public <T> TxResult<T> executeInTransaction(String serviceName, TxOperation<T> operation) {
+        TxService service = services.get(serviceName);
+        if (service == null) {
+            return TxResult.failure("SERVICE_NOT_FOUND", "Service not registered: " + serviceName);
+        }
+        return service.execute(operation);
+    }
+
+    public String[] getRegisteredServiceNames() {
+        return services.keySet().toArray(new String[0]);
+    }
+
+    public void clear() {
+        services.clear();
+    }
+
+    @FunctionalInterface
+    public interface TxOperation<T> {
+        T execute(TxContext context);
+    }
+}