diff --git a/entry b/entry
index c1af735..420180c 100755
--- a/entry
+++ b/entry
@@ -119890,10 +119890,10 @@ var Inputs = type({
   prompt: "string",
   "effort?": Effort,
   "agent?": AgentName.or("null"),
-  "web?": ToolPermissionInput,
-  "search?": ToolPermissionInput,
-  "write?": ToolPermissionInput,
-  "bash?": BashPermissionInput,
+  "web?": ToolPermissionInput.or("undefined"),
+  "search?": ToolPermissionInput.or("undefined"),
+  "write?": ToolPermissionInput.or("undefined"),
+  "bash?": BashPermissionInput.or("undefined"),
   "cwd?": "string|null"
 });
 function isAgentName(value2) {
diff --git a/utils/payload.test.ts b/utils/payload.test.ts
new file mode 100644
index 0000000..d2306b2
--- /dev/null
+++ b/utils/payload.test.ts
@@ -0,0 +1,51 @@
+import { Inputs } from './payload.ts';
+
+describe('Inputs schema', () => {
+  it('only prompt is required', () => {
+    const result = Inputs.assert({prompt: 'test prompt'});
+    expect(result).toEqual({prompt: 'test prompt'});
+    expect(() => Inputs.assert({})).toThrow();
+  });
+
+  it.each([
+    ['web', 'enabled'],
+    ['web', 'disabled'],
+    ['web', undefined],
+    ['search', 'enabled'],
+    ['search', 'disabled'],
+    ['search', undefined],
+    ['write', 'enabled'],
+    ['write', 'disabled'],
+    ['write', undefined],
+    ['bash', 'enabled'],
+    ['bash', 'restricted'],
+    ['bash', 'disabled'],
+    ['bash', undefined],
+    ['effort', 'mini'],
+    ['effort', 'auto'],
+    ['effort', 'max'],
+    ['agent', 'claude'],
+    ['agent', 'codex'],
+    ['agent', 'cursor'],
+    ['agent', 'gemini'],
+    ['agent', 'opencode'],
+    ['agent', null],
+  ] as const)('should accept %s for %s', (prop, value) => {
+    const input = {prompt: 'test', [prop]: value};
+    expect(() => Inputs.assert(input)).not.toThrow();
+  });
+
+
+  it.each([
+    ['web'],
+    ['search'],
+    ['write'],
+    ['bash'],
+    ['effort'],
+    ['agent'],
+  ] as const)('should reject invalid %s values', (prop) => {
+    const input = {prompt: 'test', [prop]: 'invalid' as any};
+    expect(() => Inputs.assert(input)).toThrow();
+  });
+
+});
diff --git a/utils/payload.ts b/utils/payload.ts
index cdb87e6..050ad31 100644
--- a/utils/payload.ts
+++ b/utils/payload.ts
@@ -33,10 +33,10 @@ export const Inputs = type({
   prompt: "string",
   "effort?": Effort,
   "agent?": AgentName.or("null"),
-  "web?": ToolPermissionInput,
-  "search?": ToolPermissionInput,
-  "write?": ToolPermissionInput,
-  "bash?": BashPermissionInput,
+  "web?": ToolPermissionInput.or("undefined"),
+  "search?": ToolPermissionInput.or("undefined"),
+  "write?": ToolPermissionInput.or("undefined"),
+  "bash?": BashPermissionInput.or("undefined"),
   "cwd?": "string|null",
 });