fix: let opencode do more by itself

opencode.json

@@ -1,8 +1,8 @@
 {
-  "$schema": "https://opencode.ai/config.json",
+	"$schema": "https://opencode.ai/config.json",
 	"permission": {
 		"bash": {
-			"*": "ask",
+			"*": "allow",
 			"git push origin main": "deny",
 			"git push origin master": "deny",
 			"git push *": "ask",

shell.nix

@@ -1,23 +1,8 @@
-{
-  pkgs ? import <nixpkgs> { },
-}:
-
-pkgs.mkShell {
-  nativeBuildInputs = with pkgs; [
-    gcc
-    cmake
-    gnumake
-    pkg-config
-  ];
-
-  buildInputs = with pkgs; [
-    zstd
-  ];
-
-  NIX_ENFORCE_PURITY = 0;
-
+{ pkgs }: {
   shellHook = ''
-    export NIX_ENFORCE_PURITY=0
-    cmake -B build
+    echo "Setting up environment with gh CLI tool"
   '';
-}
+  buildInputs = [
+    pkgs.gh
+  ];
+}