Introduce ACL registry with follows implementation, enhance SaveEvent for replaceable kinds, and refactor filter-based serial fetching. Update configs and dependencies.

pkg/acl/acl.go

@@ -0,0 +1,59 @@
+package acl
+
+import (
+	"interfaces.orly/acl"
+	"utils.orly/atomic"
+)
+
+var Registry = &S{}
+
+type S struct {
+	ACL    []acl.I
+	Active atomic.String
+}
+
+type A struct{ S }
+
+func (s *S) Register(i acl.I) {
+	(*s).ACL = append((*s).ACL, i)
+}
+
+func (s *S) Configure(cfg ...any) (err error) {
+	for _, i := range s.ACL {
+		if i.Type() == s.Active.Load() {
+			err = i.Configure(cfg...)
+			return
+		}
+	}
+	return err
+}
+
+func (s *S) GetAccessLevel(pub []byte) (level string) {
+	for _, i := range s.ACL {
+		if i.Type() == s.Active.Load() {
+			level = i.GetAccessLevel(pub)
+			break
+		}
+	}
+	return
+}
+
+func (s *S) GetACLInfo() (name, description, documentation string) {
+	for _, i := range s.ACL {
+		if i.Type() == s.Active.Load() {
+			name, description, documentation = i.GetACLInfo()
+			break
+		}
+	}
+	return
+}
+
+func (s *S) Type() (typ string) {
+	for _, i := range s.ACL {
+		if i.Type() == s.Active.Load() {
+			typ = i.Type()
+			break
+		}
+	}
+	return
+}