allow codex llm agents to use binary cache

flake.lock

@@ -157,9 +157,7 @@
       "inputs": {
         "bun2nix": "bun2nix",
         "flake-parts": "flake-parts_2",
-        "nixpkgs": [
-          "nixpkgs"
-        ],
+        "nixpkgs": "nixpkgs",
         "systems": "systems",
         "treefmt-nix": "treefmt-nix"
       },
@@ -240,15 +238,18 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1788834054,
-        "narHash": "sha256-kkWAS4mE+fmi+u3mxwD9/bfX6DGJ49Tv8O9kzN5r0HQ=",
-        "rev": "e9b9cbecbf6c25ca26c150d78570e6332694a129",
-        "type": "tarball",
-        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1069601.e9b9cbecbf6c/nixexprs.tar.xz"
+        "lastModified": 1789632929,
+        "narHash": "sha256-RjR8AyvGlWuw16XRj7C1YDEw4E27ciuyPeB2nDMzgTU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a32edd7654519351e48e80372a928df336394670",
+        "type": "github"
       },
       "original": {
-        "type": "tarball",
-        "url": "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz"
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "nixpkgs-lib": {
@@ -266,6 +267,19 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1788834054,
+        "narHash": "sha256-kkWAS4mE+fmi+u3mxwD9/bfX6DGJ49Tv8O9kzN5r0HQ=",
+        "rev": "e9b9cbecbf6c25ca26c150d78570e6332694a129",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1069601.e9b9cbecbf6c/nixexprs.tar.xz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz"
+      }
+    },
     "noctalia": {
       "inputs": {
         "nixpkgs": [
@@ -296,7 +310,7 @@
         "nix-index-database": "nix-index-database",
         "nix-wrapper-modules": "nix-wrapper-modules",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs_2",
         "noctalia": "noctalia",
         "sops-nix": "sops-nix",
         "walker": "walker"

modules/capabilities/ai.nix

@@ -102,7 +102,7 @@ in
         # Node-based Codex plugin hooks and skill scripts need node/npm outside project dev shells.
         pkgs.nodejs
         pkgs.python3
-        pkgs.llm-agents.codex
+        inputs.llm-agents.packages.${pkgs.stdenv.hostPlatform.system}.codex
         pkgs.llm-agents.pi
         pkgs.llm-agents.claude-code
         pkgs.llm-agents.agent-deck