fix(hysteria): standard geco share links and persistent uTLS None (#6325)

- Export standard gecko obfs query params in hysteria2 share links
- Enforce packet size bounds across Go and TypeScript link handlers
- Persist uTLS None explicitly and initialize new TLS inbounds to chrome
- Tear down stackTun safely without closeMu deadlock against WriteNotify

Co-authored-by: rqzbeh <rqzbeh@users.noreply.github.com>

internal/sub/remote_routing_test.go

@@ -47,6 +47,8 @@ func remoteRoutingResponse(status int, body string) *http.Response {
 
 func waitRemoteRoutingIdle(t *testing.T, resolver *remoteRoutingResolver) {
 	t.Helper()
+	// Wait on refresh goroutines to prevent logging race after test teardown.
+	resolver.refreshWG.Wait()
 	deadline := time.Now().Add(2 * time.Second)
 	for {
 		resolver.mu.Lock()