feat(server-go): 微信订阅消息骨架（#11，绑定/订阅/巡检触发，配置占位）

server-go/internal/model/permission_seed.go

@@ -32,6 +32,8 @@ var AllPermissions = []PermissionDef{
 	{"batch:write", "批次管理", "新增、编辑、删除批次"},
 	{"rearing:read", "饲养记录查看", "查看饲养记录"},
 	{"rearing:write", "饲养记录管理", "新增、编辑、删除饲养记录"},
+	{"notification:read", "订阅查看", "查看微信订阅绑定状态"},
+	{"notification:write", "订阅管理", "绑定微信并管理订阅授权"},
 	{"user:manage", "用户管理", "管理用户、角色和权限"},
 	{"audit:read", "审计查看", "查看审计日志"},
 }
@@ -45,6 +47,7 @@ var RolePermissionMap = map[string][]string{
 		"knowledge:read", "knowledge:write",
 		"inspection:create", "inspection:read",
 		"tray:read", "tray:write", "batch:read", "batch:write", "rearing:read", "rearing:write",
+		"notification:read", "notification:write",
 		"user:manage", "audit:read",
 	},
 	RoleOperator: {
@@ -54,6 +57,7 @@ var RolePermissionMap = map[string][]string{
 		"knowledge:read", "knowledge:write",
 		"inspection:create", "inspection:read",
 		"tray:read", "tray:write", "batch:read", "batch:write", "rearing:read", "rearing:write",
+		"notification:read", "notification:write",
 	},
 	RoleViewer: {
 		"dashboard:view", "room:read", "device:read",
@@ -61,6 +65,7 @@ var RolePermissionMap = map[string][]string{
 		"knowledge:read",
 		"inspection:read",
 		"tray:read", "batch:read", "rearing:read",
+		"notification:read",
 	},
 	RoleFarmer: {
 		"dashboard:view", "room:read", "device:read", "device:control",
@@ -68,5 +73,6 @@ var RolePermissionMap = map[string][]string{
 		"knowledge:read",
 		"inspection:create", "inspection:read",
 		"tray:read", "batch:read", "rearing:read",
+		"notification:read", "notification:write",
 	},
 }

server-go/internal/model/wechat.go

@@ -0,0 +1,18 @@
+package model
+
+import (
+	"encoding/json"
+	"time"
+)
+
+// WechatBinding 用户微信订阅绑定
+type WechatBinding struct {
+	ID                  string          `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
+	UserID              string          `gorm:"column:user_id;type:uuid;uniqueIndex" json:"userId"`
+	OpenID              string          `gorm:"column:open_id;size:128;uniqueIndex" json:"openId"`
+	AuthorizedTemplates json.RawMessage `gorm:"column:authorized_templates;type:jsonb" json:"authorizedTemplates,omitempty"`
+	CreatedAt           time.Time       `gorm:"type:timestamptz" json:"createdAt"`
+	UpdatedAt           time.Time       `gorm:"type:timestamptz" json:"updatedAt"`
+}
+
+func (WechatBinding) TableName() string { return "wechat_bindings" }