feat: bootstrap JOBcard CRM foundation

tests/smoke.php

@@ -0,0 +1,22 @@
+<?php
+declare(strict_types=1);
+
+putenv('JOBcard_TEST_VALUE=present');
+require_once __DIR__ . '/../config/bootstrap.php';
+
+$checks = 0;
+assert(env_required('JOBcard_TEST_VALUE') === 'present');
+$checks++;
+assert(e('<script>alert("x")</script>') === '&lt;script&gt;alert(&quot;x&quot;)&lt;/script&gt;');
+$checks++;
+
+$missingRaised = false;
+try {
+    env_required('JOBcard_MISSING_VALUE');
+} catch (RuntimeException $exception) {
+    $missingRaised = str_contains($exception->getMessage(), 'JOBcard_MISSING_VALUE');
+}
+assert($missingRaised === true);
+$checks++;
+
+printf("Foundation smoke tests: %d passed\n", $checks);