fix(ci): include EXT/LIB integration fixtures

.github/integration/README.md

@@ -1,7 +1,8 @@
 # EXT/LIB integration tests
 
-This suite protects build-mode boundaries rather than duplicating the PHP
-syntax coverage in `tests/compiler`.
+This suite lives below `.github` because repository test fixtures with a `.php`
+suffix are intentionally ignored below `tests/`. It protects build-mode
+boundaries rather than duplicating the PHP syntax coverage in `tests/compiler`.
 
 - `ext/lifecycle` builds a real Zend extension and loads it through CLI,
   `php -S`, and PHP-FPM. The long-running hosts alternate implementations of

.github/integration/ext/lifecycle/host/request.php

@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+$request = PHP_SAPI === 'cli'
+    ? (int) getenv('TYPEPHP_INTEGRATION_REQUEST')
+    : (int) ($_GET['request'] ?? 0);
+
+// Alternate the implementation attached to the same request-local symbols.
+// A stale pointer surviving RSHUTDOWN will either call the preceding request's
+// implementation, access released memory, or crash the long-running host.
+if ($request % 2 === 0) {
+    final class TypePhpIntegrationRequestValue
+    {
+        public function __construct(private int $value)
+        {
+        }
+
+        public function render(): string
+        {
+            return 'even:' . $this->value;
+        }
+    }
+
+    function typephp_integration_request_transform(string $value): string
+    {
+        return 'even-handler[' . $value . ']';
+    }
+} else {
+    final class TypePhpIntegrationRequestValue
+    {
+        public function __construct(private int $value)
+        {
+        }
+
+        public function render(): string
+        {
+            return 'odd:' . $this->value;
+        }
+    }
+
+    function typephp_integration_request_transform(string $value): string
+    {
+        return 'odd-handler[' . $value . ']';
+    }
+}
+
+header('Content-Type: application/json');
+echo json_encode([
+    'request' => $request,
+    'results' => [
+        typephp_integration_probe($request),
+        typephp_integration_probe($request),
+    ],
+    'main_registered' => function_exists('main'),
+    'pid' => getmypid(),
+], JSON_THROW_ON_ERROR);

.github/integration/ext/lifecycle/src/extension.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+function typephp_integration_probe(int $request): string
+{
+    static $calls = 0;
+    ++$calls;
+
+    // DateTimeImmutable and its format() method are internal, module-lifetime
+    // symbols. The host class/function below are rebuilt for every request and
+    // therefore exercise the request-lifetime class/function cache domain.
+    $date = new DateTimeImmutable('@' . $request);
+    $value = new TypePhpIntegrationRequestValue($request);
+    return $calls . '@' . $date->format('U') . '|'
+        . typephp_integration_request_transform($value->render());
+}
+
+// main() belongs to the embedded bin entry path. An extension must neither
+// register it as a PHP function nor invoke it from RINIT.
+function main(): void
+{
+    throw new RuntimeException('ext mode invoked bin main()');
+}

.github/integration/lib/consumer/main.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+use TypePhpIntegration\Library\Counter;
+use function TypePhpIntegration\Library\add;
+
+function main(): void
+{
+    echo add(19, 23), "\n";
+
+    $counter = new Counter();
+    $counter->add(3);
+    $counter->add(4);
+    echo 'counter=', $counter->value, "\n";
+}

.github/integration/lib/provider/src/library.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace {
+    // lib mode owns an embedded module but must not execute the bin entrypoint.
+    // This declaration must also be omitted from the published import stub.
+    function main(): void
+    {
+        throw new RuntimeException('lib mode invoked bin main()');
+    }
+}
+
+namespace TypePhpIntegration\Library {
+    function add(int $left, int $right): int
+    {
+        return $left + $right;
+    }
+
+    final class Counter
+    {
+        public int $value = 0;
+
+        public function add(int $delta): int
+        {
+            return $this->value += $delta;
+        }
+    }
+}

bin/run-integration-tests.php

@@ -13,7 +13,7 @@ use RuntimeException;
 use Throwable;
 
 const TYPEPHP_INTEGRATION_ROOT = __DIR__ . '/..';
-const TYPEPHP_INTEGRATION_TEST_ROOT = TYPEPHP_INTEGRATION_ROOT . '/tests/integration';
+const TYPEPHP_INTEGRATION_TEST_ROOT = TYPEPHP_INTEGRATION_ROOT . '/.github/integration';
 
 final class IntegrationFailure extends RuntimeException
 {