fix pkgs.system deprecation

home-manager/no-gui.nix

@@ -218,7 +218,7 @@ in
 
   # https://github.com/flamegraph-rs/flamegraph
   home.file.".cargo/config.toml".text = ''
-    [target.${lib.strings.removeSuffix "-linux" pkgs.system}-unknown-linux-gnu]
+    [target.${lib.strings.removeSuffix "-linux" pkgs.stdenv.hostPlatform.system}-unknown-linux-gnu]
     linker = "${lib.getExe pkgs.clang}"
     rustflags = ["-Clink-arg=-Wl,--no-rosegment"]
   '';

home-manager/progs/opencode.nix

@@ -7,7 +7,7 @@
 }:
 {
   programs.opencode = {
-    package = inputs.llm-agents.packages.${pkgs.system}.opencode;
+    package = inputs.llm-agents.packages.${pkgs.stdenv.hostPlatform.system}.opencode;
     enable = true;
     rules = ''
       You are an intelligent and observant agent.