refactor: 重构trustlog-sdk目录结构到trustlog/go-trustlog

- 将所有trustlog-sdk文件移动到trustlog/go-trustlog/目录
- 更新README中所有import路径从trustlog-sdk改为go-trustlog
- 更新cookiecutter配置文件中的项目名称
- 更新根目录.lefthook.yml以引用新位置的配置
- 添加go.sum文件到版本控制
- 删除过时的示例文件

这次重构与trustlog-server保持一致的目录结构，
为未来支持多语言SDK（Python、Java等）预留空间。

api/adapter/subscriber_edge_test.go

@@ -0,0 +1,195 @@
+package adapter_test
+
+import (
+	"context"
+	"errors"
+	"testing"
+	"time"
+
+	"github.com/ThreeDotsLabs/watermill/message"
+	"github.com/apache/pulsar-client-go/pulsar"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"go.yandata.net/iod/iod/trustlog-sdk/api/adapter"
+	"go.yandata.net/iod/iod/trustlog-sdk/api/adapter/mocks"
+	"go.yandata.net/iod/iod/trustlog-sdk/api/logger"
+)
+
+// MockPulsarClientWithSubscribeError is a mock client that can return subscription errors.
+type MockPulsarClientWithSubscribeError struct {
+	*mocks.MockPulsarClient
+
+	subscribeError error
+}
+
+func NewMockPulsarClientWithSubscribeError() *MockPulsarClientWithSubscribeError {
+	return &MockPulsarClientWithSubscribeError{
+		MockPulsarClient: mocks.NewMockPulsarClient(),
+	}
+}
+
+func (m *MockPulsarClientWithSubscribeError) SetSubscribeError(err error) {
+	m.subscribeError = err
+}
+
+func (m *MockPulsarClientWithSubscribeError) Subscribe(options pulsar.ConsumerOptions) (pulsar.Consumer, error) {
+	if m.subscribeError != nil {
+		return nil, m.subscribeError
+	}
+	return m.MockPulsarClient.Subscribe(options)
+}
+
+func TestSubscriber_Subscribe_SubscriptionError(t *testing.T) {
+	t.Parallel()
+
+	mockClient := NewMockPulsarClientWithSubscribeError()
+	mockClient.SetSubscribeError(errors.New("subscription failed"))
+	log := logger.NewNopLogger()
+	config := adapter.SubscriberConfig{
+		SubscriberName: "test-sub",
+		SubscriberType: pulsar.Shared,
+	}
+
+	sub, err := adapter.NewSubscriberWithPulsarClient(mockClient, config, log)
+	require.NoError(t, err)
+	defer sub.Close()
+
+	ctx := context.Background()
+	_, err = sub.Subscribe(ctx, "test-topic")
+	require.Error(t, err)
+	assert.Contains(t, err.Error(), "subscription failed")
+}
+
+func TestSubscriber_Subscribe_Timeout(t *testing.T) {
+	t.Parallel()
+
+	mockClient := mocks.NewMockPulsarClient()
+	log := logger.NewNopLogger()
+	config := adapter.SubscriberConfig{
+		SubscriberName: "test-sub",
+		SubscriberType: pulsar.Shared,
+	}
+
+	sub, err := adapter.NewSubscriberWithPulsarClient(mockClient, config, log)
+	require.NoError(t, err)
+	defer sub.Close()
+
+	// Use a very short timeout context that's already expired
+	ctx, cancel := context.WithTimeout(context.Background(), time.Nanosecond)
+	cancel() // Cancel immediately
+	time.Sleep(time.Millisecond)
+
+	_, err = sub.Subscribe(ctx, "test-topic")
+	// Should timeout or fail due to cancelled context
+	if err != nil {
+		assert.Contains(t, err.Error(), "timeout")
+	}
+}
+
+func TestSubscriber_Subscribe_WithCustomSubName(t *testing.T) {
+	t.Parallel()
+
+	mockClient := mocks.NewMockPulsarClient()
+	log := logger.NewNopLogger()
+	config := adapter.SubscriberConfig{
+		SubscriberName: "test-sub",
+		SubscriberType: pulsar.Shared,
+	}
+
+	sub, err := adapter.NewSubscriberWithPulsarClient(mockClient, config, log)
+	require.NoError(t, err)
+	defer sub.Close()
+
+	ctx := context.WithValue(context.Background(), adapter.SubNameKey, "custom-sub-name")
+	msgChan, err := sub.Subscribe(ctx, "test-topic")
+	require.NoError(t, err)
+	assert.NotNil(t, msgChan)
+}
+
+func TestSubscriber_Subscribe_WithCustomIndex(t *testing.T) {
+	t.Parallel()
+
+	mockClient := mocks.NewMockPulsarClient()
+	log := logger.NewNopLogger()
+	config := adapter.SubscriberConfig{
+		SubscriberName: "test-sub",
+		SubscriberType: pulsar.Shared,
+	}
+
+	sub, err := adapter.NewSubscriberWithPulsarClient(mockClient, config, log)
+	require.NoError(t, err)
+	defer sub.Close()
+
+	ctx := context.WithValue(context.Background(), adapter.IndexKey, 5)
+	msgChan, err := sub.Subscribe(ctx, "test-topic")
+	require.NoError(t, err)
+	assert.NotNil(t, msgChan)
+}
+
+func TestSubscriber_Subscribe_WithCustomReceiverQueueSize(t *testing.T) {
+	t.Parallel()
+
+	mockClient := mocks.NewMockPulsarClient()
+	log := logger.NewNopLogger()
+	config := adapter.SubscriberConfig{
+		SubscriberName: "test-sub",
+		SubscriberType: pulsar.Shared,
+	}
+
+	sub, err := adapter.NewSubscriberWithPulsarClient(mockClient, config, log)
+	require.NoError(t, err)
+	defer sub.Close()
+
+	ctx := context.WithValue(context.Background(), adapter.ReceiverQueueSizeKey, 2000)
+	msgChan, err := sub.Subscribe(ctx, "test-topic")
+	require.NoError(t, err)
+	assert.NotNil(t, msgChan)
+}
+
+func TestPublisher_Publish_CreateProducerError(t *testing.T) {
+	t.Parallel()
+
+	mockClient := mocks.NewMockPulsarClient()
+	log := logger.NewNopLogger()
+
+	pub, err := adapter.NewPublisherWithPulsarClient(mockClient, log)
+	require.NoError(t, err)
+	defer pub.Close()
+
+	// Close client before creating producer
+	mockClient.Close()
+
+	msg := message.NewMessage("test-uuid", []byte("test payload"))
+	err = pub.Publish("new-topic", msg)
+	// Should fail when creating producer
+	if err != nil {
+		assert.Contains(t, err.Error(), "closed")
+	}
+}
+
+func TestPublisher_Publish_SendError(t *testing.T) {
+	t.Parallel()
+
+	mockClient := mocks.NewMockPulsarClient()
+	log := logger.NewNopLogger()
+
+	pub, err := adapter.NewPublisherWithPulsarClient(mockClient, log)
+	require.NoError(t, err)
+	defer pub.Close()
+
+	// Create a producer first
+	msg1 := message.NewMessage("test-uuid-1", []byte("test payload 1"))
+	err = pub.Publish("test-topic", msg1)
+	require.NoError(t, err)
+
+	// Close the producer to cause send error
+	producer := mockClient.GetProducer("test-topic")
+	require.NotNil(t, producer)
+	producer.Close()
+
+	msg2 := message.NewMessage("test-uuid-2", []byte("test payload 2"))
+	err = pub.Publish("test-topic", msg2)
+	// May succeed or fail depending on implementation
+	_ = err
+}