chore: import Local-Cursor v1.1.8 source snapshot

Includes the current working directory changes. Historical commits and release binaries are excluded to limit Gitea storage.
Source base: d7515973fbfd6dd2001fa156c483455b8081c7cb

internal/netproxy/system_other.go

@@ -0,0 +1,7 @@
+//go:build !darwin && !windows
+
+package netproxy
+
+func loadSystemProxyConfig() systemProxyConfig {
+	return systemProxyConfig{Source: "env-only"}
+}