Merge branch 'yongxu-dev' into devlop

# Conflicts:
#	miniprogram/pages/profile-edit/profile-edit.js
#	miniprogram/pages/profile-edit/profile-edit.wxml
#	miniprogram/pages/settings/settings.js
#	miniprogram/utils/ruleEngine.js
#	soul-admin/src/pages/distribution/DistributionPage.tsx
#	soul-admin/src/pages/users/UsersPage.tsx
#	soul-api/.env.production
#	soul-api/.gitignore
#	soul-api/internal/handler/db_ckb_leads.go
#	soul-api/internal/handler/miniprogram.go
#	soul-api/internal/handler/referral.go
#	开发文档/1、需求/archive/链接人与事-存客宝同步-需求规划.md
#	开发文档/1、需求/archive/链接人与事-实现方案.md

soul-api/internal/handler/db_book.go

@@ -616,6 +616,38 @@ func DBBookAction(c *gin.Context) {
 			c.JSON(http.StatusOK, gin.H{"success": true, "message": "已移动", "count": len(body.SectionIds)})
 			return
 		}
+		// update-chapter-pricing：按篇+章批量更新该章下所有「节」行的 price / is_free（管理端章节统一定价）
+		if body.Action == "update-chapter-pricing" {
+			if body.PartID == "" || body.ChapterID == "" {
+				c.JSON(http.StatusOK, gin.H{"success": false, "error": "缺少 partId 或 chapterId"})
+				return
+			}
+			p := 1.0
+			if body.Price != nil {
+				p = *body.Price
+			}
+			free := false
+			if body.IsFree != nil {
+				free = *body.IsFree
+			}
+			if free {
+				p = 0
+			}
+			up := map[string]interface{}{
+				"price":   p,
+				"is_free": free,
+			}
+			res := db.Model(&model.Chapter{}).Where("part_id = ? AND chapter_id = ?", body.PartID, body.ChapterID).Updates(up)
+			if res.Error != nil {
+				c.JSON(http.StatusOK, gin.H{"success": false, "error": res.Error.Error()})
+				return
+			}
+			cache.InvalidateBookParts()
+			InvalidateChaptersByPartCache()
+			cache.InvalidateBookCache()
+			c.JSON(http.StatusOK, gin.H{"success": true, "message": "已更新本章全部节的定价", "affected": res.RowsAffected})
+			return
+		}
 		if body.ID == "" {
 			c.JSON(http.StatusOK, gin.H{"success": false, "error": "缺少 id"})
 			return