Release 3.8.2.13: iOS Packet Tunnel client and Clash URL subscriptions.

Add SwiftUI + Network Extension (LibXray/hev), parse Clash Meta YAML from subscription URLs into vless/trojan/hy2 share links, keep the selected server on connect, and ship Navis-3.8.2.13.ipa with versioned changelog.

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

mobile/naviscore/hy2.go

@@ -0,0 +1,10 @@
+package naviscore
+
+import "errors"
+
+// Placeholder until unified gomobile NavisCore ships Xray+Hy2 in one Go runtime.
+// The shipping iOS appex uses LibXray.xcframework for Xray; Hy2 cannot link a second Go core.
+func startHysteria2(configPath string) (func() error, error) {
+	_ = configPath
+	return nil, errors.New("hysteria2: use unified NavisCore build (conflicts with LibXray Go runtime)")
+}