🗑️ feat(token): implement batch token deletion API & front-end integration

• Back-end
  • model/token.go
    • Add `BatchDeleteTokens(ids []int, userId int)` – transactional DB removal + async Redis cache cleanup.
  • controller/token.go
    • Introduce `TokenBatch` DTO and `DeleteTokenBatch` handler calling the model layer; returns amount deleted.
  • router/api-router.go
    • Register `POST /api/token/batch` route (user-scoped).

• Front-end (TokensTable.js)
  • Replace per-token deletion loops with single request to `/api/token/batch`.
  • Display dynamic i18n message: “Deleted {{count}} tokens!”.
  • Add modal confirmation:
    • Title “Batch delete token”.
    • Content “Are you sure you want to delete the selected {{count}} tokens?”.
  • UI/UX tweaks
    • Responsive button group (flex-wrap, mobile line-break).
    • Clear `selectedKeys` after refresh / successful deletion to avoid ghost selections.

• i18n
  • Ensure placeholder style matches translation keys (`{{count}}`).

This commit delivers efficient, scalable token management and an improved user experience across devices.

controller/token.go

@@ -258,3 +258,32 @@ func UpdateToken(c *gin.Context) {
 	})
 	return
 }
+
+type TokenBatch struct {
+	Ids []int `json:"ids"`
+}
+
+func DeleteTokenBatch(c *gin.Context) {
+	tokenBatch := TokenBatch{}
+	if err := c.ShouldBindJSON(&tokenBatch); err != nil || len(tokenBatch.Ids) == 0 {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": "参数错误",
+		})
+		return
+	}
+	userId := c.GetInt("id")
+	count, err := model.BatchDeleteTokens(tokenBatch.Ids, userId)
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"message": "",
+		"data":    count,
+	})
+}