fix(fleet): raise fleet-personas spec timeout

packages/mosaic/src/commands/fleet-personas.spec.ts

@@ -2,7 +2,7 @@ import { cp, mkdir, mkdtemp, rm, writeFile } from 'node:fs/promises';
 import { tmpdir } from 'node:os';
 import { dirname, join, resolve } from 'node:path';
 import { fileURLToPath } from 'node:url';
-import { afterEach, beforeEach, describe, expect, it } from 'vitest';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import {
   extractClassesFromDir,
   listPersonaClasses,
@@ -11,6 +11,11 @@ import {
 } from './fleet-personas.js';
 import { loadProfiles, validateProfile, type FleetProfile } from './fleet-profiles.js';
 
+// These are INTEGRATION tests: they exercise real filesystem I/O while scanning
+// and validating the committed + override persona libraries. Under contended CI
+// runners, the default 5s timeout can false-red even though the suite is healthy.
+vi.setConfig({ testTimeout: 30_000 });
+
 // The real, committed library: packages/mosaic/src/commands -> framework/fleet.
 const frameworkFleet = resolve(
   dirname(fileURLToPath(import.meta.url)),