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HotReloadState.php

@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Kiri\Di;
+
+class HotReloadState
+{
+	private const MAX_AGE_SECONDS = 30;
+
+	public function store(array $changedFiles): void
+	{
+		$payload = [
+			'timestamp' => time(),
+			'changed_files' => array_values(array_unique(array_map([$this, 'normalizePath'], array_filter($changedFiles)))),
+		];
+
+		$directory = dirname($this->getFilePath());
+		if (!is_dir($directory)) {
+			mkdir($directory, 0755, true);
+		}
+
+		file_put_contents($this->getFilePath(), json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES));
+	}
+
+	public function consume(): array
+	{
+		return $this->peek();
+	}
+
+	public function peek(): array
+	{
+		$file = $this->getFilePath();
+		if (!file_exists($file)) {
+			return [];
+		}
+
+		$data = json_decode((string)file_get_contents($file), true);
+		if (!is_array($data)) {
+			return [];
+		}
+
+		$timestamp = (int)($data['timestamp'] ?? 0);
+		if ($timestamp < 1 || (time() - $timestamp) > self::MAX_AGE_SECONDS) {
+			return [];
+		}
+
+		$files = is_array($data['changed_files'] ?? null) ? $data['changed_files'] : [];
+		return array_values(array_unique(array_map([$this, 'normalizePath'], $files)));
+	}
+
+	private function getFilePath(): string
+	{
+		$basePath = $this->normalizePath($_SERVER['PWD'] ?? APP_PATH ?? getcwd());
+		$runtimePath = defined('APP_PATH')
+			? rtrim(str_replace('\\', '/', APP_PATH), '/') . '/storage/.kiri-hot-reload/'
+			: sys_get_temp_dir() . '/kiri-hot-reload/';
+
+		return $runtimePath . md5($basePath) . '.json';
+	}
+
+	private function normalizePath(string $path): string
+	{
+		$resolved = realpath($path) ?: $path;
+		return str_replace('\\', '/', $resolved);
+	}
+}