feat: add native rust core

native/scripts/build-linux.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# Cross-build the napi addon for Linux server (x86_64 + aarch64) via zigbuild
+# (no Docker) and stage as .node under dist/server/<target>/.
+# In CI you'd build these natively per-arch instead; this is local convenience.
+set -euo pipefail
+cd "$(dirname "$0")/.."
+
+CRATE=immich_core_napi
+
+for t in x86_64-unknown-linux-gnu aarch64-unknown-linux-gnu; do
+    rustup target add "$t" >/dev/null 2>&1 || true
+    cargo zigbuild -p "$CRATE" --target "$t" --release
+    mkdir -p "dist/server/$t"
+    cp "target/$t/release/lib${CRATE}.so" "dist/server/$t/immich_core_napi.node"
+done
+
+echo "linux -> dist/server/*/immich_core_napi.node"