feat: update chat, settings, prompts and system info modules

backend/internal/handlers/sysinfo_other.go

@@ -0,0 +1,11 @@
+//go:build !linux && !windows
+
+package handlers
+
+func getSysMemMb() (total, free int64) {
+	return 0, 0
+}
+
+func getOSRelease() string {
+	return ""
+}