refactor(platform): restructure platform-specific abstractions and add synthetic backends

src/platform/linux.rs

@@ -0,0 +1,18 @@
+// SPDX-FileCopyrightText: 2026-Present Nils Andreas Svee mailto:contact@lochnair.net (github @Lochnair)
+//
+// SPDX-License-Identifier: MPL-2.0
+
+mod netlink;
+
+pub(crate) type PlatformInterfaceStats = netlink::Netlink;
+pub(crate) type PlatformTrafficControl = netlink::Netlink;
+
+pub(crate) fn interface_stats_provider() -> PlatformInterfaceStats {
+    netlink::Netlink::default()
+}
+
+pub(crate) fn traffic_control_backend() -> PlatformTrafficControl {
+    netlink::Netlink::default()
+}
+
+pub(crate) fn warn_platform_limitations() {}