Replace system openclaw with portable flake

openclaw/.envrc

@@ -0,0 +1 @@
+use flake

openclaw/flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1770197578,
+        "narHash": "sha256-AYqlWrX09+HvGs8zM6ebZ1pwUqjkfpnv8mewYwAo+iM=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "00c21e4c93d963c50d4c0c89bfa84ed6e0694df2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

openclaw/flake.nix

@@ -0,0 +1,56 @@
+# nix develop
+{
+  description = "OpenClaw dev shell";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          name = "openclaw-shell";
+
+          buildInputs = with pkgs; [
+            nodejs_22
+            git
+            curl
+            cmake
+          ];
+
+          shellHook = ''
+            echo "🦞 OpenClaw"
+            echo ""
+
+            # Set up local npm prefix to avoid permission issues
+            export NPM_CONFIG_PREFIX="$PWD/.npm-global"
+            export PATH="$NPM_CONFIG_PREFIX/bin:$PATH"
+
+            # Ensure the prefix directory exists
+            mkdir -p "$NPM_CONFIG_PREFIX/bin"
+
+            # Install openclaw if not already installed
+            if ! command -v openclaw &> /dev/null; then
+              echo "📦 Installing OpenClaw..."
+              npm install -g openclaw
+            fi
+
+            echo ""
+            echo "Run 'openclaw gateway' to start the gateway"
+            echo ""
+          '';
+        };
+      }
+    );
+}