Use production leadership timing in Accord test fixtures

scripts/accord-proof-fixture.mjs

@@ -34,7 +34,9 @@ export async function accordFixture() {
   mkdirSync(home);
   initialize(data, { fixtures: true });
   install({ home, data, clients: [] });
-  const h = { dir, home, data, profile: join(home, '.config/accord/connection.json'), children: [] };
+  // Use Accord's production leadership window: a 500ms test-only lease can expire
+  // while a shared CI runner is busy, correctly terminating the coordinator.
+  const h = { dir, home, data, profile: join(home, '.config/accord/connection.json'), children: [], leaderMs: 5000 };
   const launch = async (command, args) => {
     const p = fork(
       fileURLToPath(new URL('../vendor/accord/src/cli.mjs', import.meta.url)),
@@ -58,7 +60,14 @@ export async function accordFixture() {
   h.driver = d.p;
   h.driverUrl = d.url;
   h.start = async (port = 0) => {
-    const s = await launch('serve', ['--port', String(port), '--driver-url', h.driverUrl, '--leader-ms', '500']);
+    const s = await launch('serve', [
+      '--port',
+      String(port),
+      '--driver-url',
+      h.driverUrl,
+      '--leader-ms',
+      String(h.leaderMs)
+    ]);
     h.server = s.p;
     h.url = s.url;
   };

test/accord-install.test.mjs

@@ -2,7 +2,7 @@ import test from 'node:test';
 import assert from 'node:assert/strict';
 import fs from 'node:fs/promises';
 import path from 'node:path';
-import { accordFixture } from './accord-fixture.mjs';
+import { accordFixture, delay } from './accord-fixture.mjs';
 import { ensureLloomAccord } from '../src/accord-install.mjs';
 test('LLooM reuses an installed authority and retires its duplicate skill without losing edits', async (t) => {
   const h = await accordFixture();
@@ -28,3 +28,22 @@ test('LLooM reuses an installed authority and retires its duplicate skill withou
   await ensureLloomAccord({ home: h.home, profilePath: h.profile });
   assert.equal((await fs.readdir(archive)).length, 1);
 });
+
+test(
+  'authority reuse tolerates a scheduling pause within the production leadership window',
+  { skip: process.platform === 'win32' },
+  async (t) => {
+    const h = await accordFixture();
+    t.after(() => h.close());
+    h.server.kill('SIGSTOP');
+    try {
+      await delay(800);
+    } finally {
+      h.server.kill('SIGCONT');
+    }
+    await delay(200);
+    const result = await ensureLloomAccord({ home: h.home, profilePath: h.profile });
+    assert(result.reused);
+    assert.equal(h.server.exitCode, null);
+  }
+);

test/schedule-integration.test.mjs

@@ -153,7 +153,7 @@ for (const crash of ['coordinator', 'gateway'])
       if (crash === 'coordinator') {
         await stop(h.server, 'SIGKILL');
         await assert.rejects(readHostMemory(), 'unavailable telemetry must fail admission closed');
-        await delay(650);
+        await delay(h.leaderMs + 150);
         await h.start(accordPort);
       } else {
         await stop(gateway, 'SIGKILL');