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src/Plugins/Tia/Bootstrapper.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Plugins\Tia;
+
+use Pest\Contracts\Bootstrapper as BootstrapperContract;
+use Pest\Plugins\Tia\Contracts\State;
+use Pest\Support\Container;
+
+/**
+ * Plugin-level container registrations for TIA. Runs as part of Kernel's
+ * bootstrapper chain so Tia's own service graph is set up without Kernel
+ * having to know about any of its internals.
+ *
+ * Most Tia services (`Recorder`, `CoverageCollector`, `WatchPatterns`,
+ * `ResultCollector`, `BaselineSync`) are auto-buildable — Pest's container
+ * resolves them lazily via constructor reflection. The only service that
+ * requires an explicit binding is the `State` contract, because the
+ * filesystem implementation needs a root-directory string that reflection
+ * can't infer.
+ *
+ * @internal
+ */
+final readonly class Bootstrapper implements BootstrapperContract
+{
+    public function __construct(private Container $container) {}
+
+    public function boot(): void
+    {
+        $this->container->add(State::class, new FileState($this->tempDir()));
+    }
+
+    /**
+     * Resolve Pest's `.temp/` directory relative to this file so TIA's
+     * caches share the same location as the rest of Pest's transient
+     * state (PHPUnit result cache, coverage PHP dumps, etc.).
+     */
+    private function tempDir(): string
+    {
+        return __DIR__
+            .DIRECTORY_SEPARATOR.'..'
+            .DIRECTORY_SEPARATOR.'..'
+            .DIRECTORY_SEPARATOR.'..'
+            .DIRECTORY_SEPARATOR.'.temp';
+    }
+}