From 268810d19482b2327f57709edad9a4dba4aaea0f Mon Sep 17 00:00:00 2001
From: Patrick Ribbsaeter <patrickswedish@gmail.com>
Date: Mon, 20 Jul 2026 09:55:24 +0200
Subject: [PATCH] fix: disable tools for generation-only queries (#26)

Co-authored-by: Patrick <233187023+patrickswedish@users.noreply.github.com>
---
 package.json      |  1 +
 src/llm.ts        | 21 ++++++++++++++-------
 tests/llm.test.ts | 16 ++++++++++++++++
 3 files changed, 31 insertions(+), 7 deletions(-)
 create mode 100644 tests/llm.test.ts

diff --git a/package.json b/package.json
index 1844b80..d695fbe 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
   ],
   "scripts": {
     "build": "tsc",
+    "test": "node --import tsx --test tests/*.test.ts",
     "typecheck": "tsc --noEmit && tsc --noEmit -p tsconfig.bench.json",
     "prepublishOnly": "npm run build",
     "dev": "tsx src/cli.ts",
diff --git a/src/llm.ts b/src/llm.ts
index 27c9289..6a277b3 100644
--- a/src/llm.ts
+++ b/src/llm.ts
@@ -14,18 +14,25 @@ export type LLMOptions = {
   userPrompt: string;
 };
 
+export function buildQueryOptions(opts: LLMOptions) {
+  return {
+    model: opts.model,
+    systemPrompt: {
+      type: "preset" as const,
+      preset: "claude_code" as const,
+      append: opts.systemPrompt,
+    },
+    // No tools — divergence is pure generation. Tools = convergence pressure.
+    tools: [] as string[],
+  };
+}
+
 export async function callLLM(opts: LLMOptions): Promise<string> {
   const chunks: string[] = [];
 
   const iter = query({
     prompt: opts.userPrompt,
-    options: {
-      model: opts.model,
-      systemPrompt: { type: "preset", preset: "claude_code", append: opts.systemPrompt },
-      // No tools — divergence is pure generation. Tools = convergence pressure.
-      allowedTools: [],
-      permissionMode: "bypassPermissions",
-    },
+    options: buildQueryOptions(opts),
   });
 
   for await (const message of iter) {
diff --git a/tests/llm.test.ts b/tests/llm.test.ts
new file mode 100644
index 0000000..8f52311
--- /dev/null
+++ b/tests/llm.test.ts
@@ -0,0 +1,16 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+
+import { buildQueryOptions } from "../src/llm.ts";
+
+test("generation-only queries disable all built-in tools", () => {
+  const options = buildQueryOptions({
+    model: "claude-sonnet-4-5",
+    systemPrompt: "Think divergently.",
+    userPrompt: "Generate ideas.",
+  });
+
+  assert.deepEqual(options.tools, []);
+  assert.equal("allowedTools" in options, false);
+  assert.equal("permissionMode" in options, false);
+});
-- 
2.55.0.windows.3