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

selective-vpn-api/app/traffic_audit_render.go

@@ -0,0 +1,36 @@
+package app
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+func buildTrafficAuditPretty(now string, traffic TrafficModeStatusResponse, profiles []TrafficAppProfile, marks []appMarkItem, issues []string, nft map[string]any) string {
+	var b strings.Builder
+	b.WriteString("Traffic audit\n")
+	b.WriteString("now=" + now + "\n\n")
+
+	b.WriteString("traffic: desired=" + string(traffic.DesiredMode) + " applied=" + string(traffic.AppliedMode) + " iface=" + strings.TrimSpace(traffic.ActiveIface) + " healthy=" + strconv.FormatBool(traffic.Healthy) + "\n")
+	if strings.TrimSpace(traffic.Message) != "" {
+		b.WriteString("traffic_message: " + strings.TrimSpace(traffic.Message) + "\n")
+	}
+	b.WriteString("\n")
+
+	b.WriteString(fmt.Sprintf("profiles=%d marks=%d\n", len(profiles), len(marks)))
+	if nft != nil {
+		b.WriteString(fmt.Sprintf("nft: rules=%v missing=%v orphan=%v jump_ok=%v\n",
+			nft["nft_rules"], nft["missing_rules"], nft["orphan_rules"], nft["output_jump_ok"]))
+	}
+	b.WriteString("\n")
+
+	if len(issues) == 0 {
+		b.WriteString("issues: none\n")
+		return b.String()
+	}
+	b.WriteString("issues:\n")
+	for _, it := range issues {
+		b.WriteString("- " + it + "\n")
+	}
+	return b.String()
+}