feat: expose backend debug log endpoints

internal/handler/debug_log.go

@@ -1,9 +1,12 @@
 package handler
 
 import (
+	"encoding/json"
+	"fmt"
 	"net/http"
 	"time"
 
+	"ckwk/internal/dto"
 	"ckwk/pkg/log"
 
 	"github.com/gin-gonic/gin"
@@ -16,6 +19,26 @@ var debugLogUpgrader = websocket.Upgrader{
 	},
 }
 
+func DebugLogs(ctx *gin.Context) {
+	ctx.JSON(http.StatusOK, dto.Success(map[string]any{
+		"list": log.Entries(),
+	}))
+}
+
+func DebugLogsDownload(ctx *gin.Context) {
+	entries := log.Entries()
+	content, err := json.MarshalIndent(entries, "", "  ")
+	if err != nil {
+		ctx.JSON(http.StatusInternalServerError, dto.Error(500, "日志导出失败"))
+		return
+	}
+
+	filename := fmt.Sprintf("wk-debug-logs-%s.json", time.Now().Format("20060102-150405"))
+	ctx.Header("Content-Type", "application/json; charset=utf-8")
+	ctx.Header("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"", filename))
+	ctx.Data(http.StatusOK, "application/json; charset=utf-8", content)
+}
+
 func DebugLogWS(ctx *gin.Context) {
 	conn, err := debugLogUpgrader.Upgrade(ctx.Writer, ctx.Request, nil)
 	if err != nil {