add opencode plugin to block scripting languages in favor of nu

profiles/opencode/plugin/block-scripting.ts

@@ -0,0 +1,19 @@
+import type { Plugin } from "@opencode-ai/plugin";
+
+const SCRIPTING_PATTERN =
+	/(?:^|[;&|]\s*|&&\s*|\|\|\s*|\$\(\s*|`\s*)(?:python[23]?|perl|ruby|php|lua|bash\s+-c|sh\s+-c)\s/;
+
+export const BlockScriptingPlugin: Plugin = async () => {
+	return {
+		"tool.execute.before": async (input, output) => {
+			if (input.tool === "bash") {
+				const command = output.args.command as string;
+				if (SCRIPTING_PATTERN.test(command)) {
+					throw new Error(
+						"Do not use python, perl, ruby, php, lua, or inline bash/sh for scripting. Use `nu -c` instead.",
+					);
+				}
+			}
+		},
+	};
+};