Release 3.8.2.3: cheaper poll I/O, batched macOS sysproxy, no Connect Clone.

Trust corebin cache without Stat; batch networksetup; ActiveProxyURI instead of Config.Clone.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/config/profiles.go

@@ -3,6 +3,7 @@ package config
 import (
 	"fmt"
 	"strings"
+	"sync"
 )
 
 // ProfileInfo is a safe summary for UI lists (no secrets beyond proxy URI the user already owns).
@@ -14,6 +15,22 @@ type ProfileInfo struct {
 	Active   bool   `json:"active"`
 }
 
+// hostCache avoids re-parsing large AWG conf bodies on every UI poll.
+var hostCache sync.Map // proxy URI/conf → host string
+
+func cachedProxyHost(proxy string) string {
+	proxy = strings.TrimSpace(proxy)
+	if proxy == "" {
+		return ""
+	}
+	if v, ok := hostCache.Load(proxy); ok {
+		return v.(string)
+	}
+	h := proxyHost(proxy)
+	hostCache.Store(proxy, h)
+	return h
+}
+
 // ListProfiles returns UI-friendly profile summaries.
 func (c *Config) ListProfiles() []ProfileInfo {
 	out := make([]ProfileInfo, 0, len(c.Profiles))
@@ -22,7 +39,7 @@ func (c *Config) ListProfiles() []ProfileInfo {
 			Name:     p.Name,
 			Protocol: string(p.Protocol),
 			Proxy:    p.Proxy,
-			Host:     proxyHost(p.Proxy),
+			Host:     cachedProxyHost(p.Proxy),
 			Active:   p.Name == c.Active,
 		})
 	}
@@ -36,7 +53,7 @@ func (c *Config) ListProfilesForPoll() []ProfileInfo {
 		out = append(out, ProfileInfo{
 			Name:     p.Name,
 			Protocol: string(p.Protocol),
-			Host:     proxyHost(p.Proxy),
+			Host:     cachedProxyHost(p.Proxy),
 			Active:   p.Name == c.Active,
 		})
 	}