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

selective-vpn-api/app/routes_update_helpers_trace.go

@@ -0,0 +1,52 @@
+package app
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+)
+
+func logWildcardSmartDNSTrace(mode DNSMode, source string, pairs [][2]string, wildcardIPCount int) {
+	lowMode := strings.ToLower(strings.TrimSpace(string(mode.Mode)))
+	if lowMode != string(DNSModeHybridWildcard) && lowMode != string(DNSModeSmartDNS) {
+		return
+	}
+
+	hostMap := wildcardHostIPMap(pairs)
+	hosts := make([]string, 0, len(hostMap))
+	for host := range hostMap {
+		hosts = append(hosts, host)
+	}
+	sort.Strings(hosts)
+
+	const maxHostsLog = 200
+	omitted := 0
+	if len(hosts) > maxHostsLog {
+		omitted = len(hosts) - maxHostsLog
+	}
+
+	appendTraceLineTo(
+		smartdnsLogPath,
+		"smartdns",
+		fmt.Sprintf(
+			"wildcard sync: mode=%s source=%s domains=%d ips=%d logged=%d omitted=%d map=%s",
+			mode.Mode, source, len(hosts), wildcardIPCount, len(hosts)-omitted, omitted, lastIPsMapDyn,
+		),
+	)
+
+	for i, host := range hosts {
+		if i >= maxHostsLog {
+			appendTraceLineTo(
+				smartdnsLogPath,
+				"smartdns",
+				fmt.Sprintf("wildcard sync: trace truncated, %d domains not shown (see %s)", omitted, lastIPsMapDyn),
+			)
+			return
+		}
+		appendTraceLineTo(
+			smartdnsLogPath,
+			"smartdns",
+			fmt.Sprintf("wildcard add: %s -> %s", host, strings.Join(hostMap[host], ", ")),
+		)
+	}
+}