feat: add fail-closed Aider development skill

agent-run-gateway.test.mjs

@@ -5,11 +5,43 @@ import os from 'node:os';
 import path from 'node:path';
 import test from 'node:test';
 import {
+  assertRequiredCodeExecutorAvailable,
   assertRequiredImageGenerationCompleted,
   createAgentRunGateway,
   normalizeAgentRunWorkerIdentity,
+  resolveRequiredCodeExecutor,
 } from './agent-run-gateway.mjs';
 
+test('required code executor is read from run metadata', () => {
+  assert.equal(resolveRequiredCodeExecutor({
+    metadata: { memindRun: { executor: 'AIDER' } },
+  }), 'aider');
+  assert.equal(resolveRequiredCodeExecutor({
+    metadata: { memindRun: { executor: 'unknown' } },
+  }), null);
+});
+
+test('required Aider executor fails closed when Tool Gateway is unavailable', () => {
+  assert.doesNotThrow(() => assertRequiredCodeExecutorAvailable('aider', {
+    enabled: true,
+    executors: ['aider', 'openhands'],
+  }));
+  assert.throws(
+    () => assertRequiredCodeExecutorAvailable('aider', {
+      enabled: false,
+      executors: ['aider', 'openhands'],
+    }),
+    (error) => error?.code === 'REQUIRED_EXECUTOR_UNAVAILABLE' && error?.retryable === false,
+  );
+  assert.throws(
+    () => assertRequiredCodeExecutorAvailable('aider', {
+      enabled: true,
+      executors: ['openhands'],
+    }),
+    (error) => error?.code === 'REQUIRED_EXECUTOR_UNAVAILABLE',
+  );
+});
+
 test('required image generation cannot succeed without a verified raster image_make result', () => {
   const row = {
     user_message_json: JSON.stringify({