feat(tests): 增强测试框架的 SQL 日志记录与覆盖率报告

- 在 ApiCase 中添加 SQL 日志记录功能，失败时输出日志以便于调试
- 更新 TestApp 以支持测试模式下的 SQL 日志缓冲，成功与失败的测试均可记录日志
- 改进 PrintCoverage 方法，优化覆盖率报告的输出逻辑，支持部分运行的接口显示
- 增加 Note 备注功能，提升测试用例的可读性与文档化效果
- 更新相关文档，详细说明新功能的使用场景与示例

db/query.go

@@ -4,6 +4,7 @@ import (
 	"database/sql"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"math"
 	"reflect"
 	"strconv"
@@ -39,8 +40,15 @@ func (that *HoTimeDB) queryWithRetry(query string, retried bool, args ...interfa
 	defer func() {
 		if that.Mode != 0 {
 			that.mu.RLock()
-			that.Log.Info("SQL:"+that.LastQuery, " DATA:", that.LastData, " ERROR:", that.LastErr.GetError())
+			msg := fmt.Sprintf("SQL:%s DATA:%v ERROR:%v", that.LastQuery, that.LastData, that.LastErr.GetError())
 			that.mu.RUnlock()
+			that.testLogBufMu.Lock()
+			if that.testLogBuf != nil {
+				that.testLogBuf.WriteString(msg + "\n")
+			} else {
+				that.Log.Info(msg)
+			}
+			that.testLogBufMu.Unlock()
 		}
 	}()
 
@@ -117,8 +125,15 @@ func (that *HoTimeDB) execWithRetry(query string, retried bool, args ...interfac
 	defer func() {
 		if that.Mode != 0 {
 			that.mu.RLock()
-			that.Log.Info("SQL: "+that.LastQuery, " DATA: ", that.LastData, " ERROR: ", that.LastErr.GetError())
+			msg := fmt.Sprintf("SQL:%s DATA:%v ERROR:%v", that.LastQuery, that.LastData, that.LastErr.GetError())
 			that.mu.RUnlock()
+			that.testLogBufMu.Lock()
+			if that.testLogBuf != nil {
+				that.testLogBuf.WriteString(msg + "\n")
+			} else {
+				that.Log.Info(msg)
+			}
+			that.testLogBufMu.Unlock()
 		}
 	}()