platform: modularize api/gui, add docs-tests-web foundation, and refresh root config

selective-vpn-api/app/traffic_appmarks_ops_mutations_clear.go

@@ -0,0 +1,36 @@
+package app
+
+import (
+	"fmt"
+	"strings"
+	"time"
+)
+
+func appMarksClear(target string) error {
+	target = strings.ToLower(strings.TrimSpace(target))
+	if target != "vpn" && target != "direct" {
+		return fmt.Errorf("invalid target")
+	}
+
+	appMarksMu.Lock()
+	defer appMarksMu.Unlock()
+
+	st := loadAppMarksState()
+	changed := pruneExpiredAppMarksLocked(&st, time.Now().UTC())
+
+	kept := st.Items[:0]
+	for _, it := range st.Items {
+		if strings.ToLower(strings.TrimSpace(it.Target)) == target {
+			_ = nftDeleteAppMarkRule(target, it.ID)
+			changed = true
+			continue
+		}
+		kept = append(kept, it)
+	}
+	st.Items = kept
+
+	if changed {
+		return saveAppMarksState(st)
+	}
+	return nil
+}