install openspec

flake.lock

@@ -206,6 +206,40 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1767640445,
+        "narHash": "sha256-UWYqmD7JFBEDBHWYcqE6s6c77pWdcU/i+bwD6XxMb8A=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9f0c42f8bc7151b8e7e5840fb3bd454ad850d8c5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "openspec": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1772182342,
+        "narHash": "sha256-9Q0iUyZGcDPLdgvnrBN3GumV8g9akV8TFb8bFkD1yYs=",
+        "owner": "Fission-AI",
+        "repo": "OpenSpec",
+        "rev": "afdca0d5dab1aa109cfd8848b2512333ccad60c3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Fission-AI",
+        "repo": "OpenSpec",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "agentcomputer-cli": "agentcomputer-cli",
@@ -214,7 +248,8 @@
         "home-manager": "home-manager",
         "nix-darwin": "nix-darwin",
         "nix-homebrew": "nix-homebrew",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "openspec": "openspec"
       }
     },
     "systems": {

flake.nix

@@ -29,6 +29,10 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    openspec = {
+      url = "github:Fission-AI/OpenSpec";
+    };
+
     nix-homebrew = {
       url = "github:zhaofengli-wip/nix-homebrew";
     };

lib/package-sets.nix

@@ -9,6 +9,8 @@
     inputs.claudeCode.packages.${pkgs.stdenv.hostPlatform.system}.default;
   agentcomputerPackage =
     inputs.agentcomputer-cli.packages.${pkgs.stdenv.hostPlatform.system}.default;
+  openspecPackage =
+    inputs.openspec.packages.${pkgs.stdenv.hostPlatform.system}.default;
 
   memex = pkgs.stdenvNoCC.mkDerivation rec {
     pname = "memex";
@@ -130,6 +132,7 @@ in {
     ])
     ++ [
       agentcomputerPackage
+      openspecPackage
     ]
     ++ lib.optionals pkgs.stdenv.isDarwin [
       graphite