Initial commit: WordPress wp-content (themes, plugins, languages)

- Theme: momentry (custom theme with REST API routes)
- Plugins: code-snippets (contains all API proxies)
- Languages: zh_TW translations
- Excludes: cache, backups, uploads, logs

themes/momentry/inc/api/class-database.php

@@ -0,0 +1,49 @@
+<?php
+declare(strict_types=1);
+
+namespace Momentry;
+
+use PDO;
+use PDOException;
+use RuntimeException;
+
+defined('ABSPATH') || exit;
+
+class Database {
+    private static ?PDO $instance = null;
+    
+    public static function get_instance(): PDO {
+        if (self::$instance === null) {
+            self::$instance = self::create_connection();
+        }
+        return self::$instance;
+    }
+    
+    private static function create_connection(): PDO {
+        $host = getenv('MOMENTRY_DB_HOST') ?: 'localhost';
+        $port = getenv('MOMENTRY_DB_PORT') ?: '5432';
+        $dbname = getenv('MOMENTRY_DB_NAME') ?: 'momentry';
+        $user = getenv('MOMENTRY_DB_USER') ?: 'accusys';
+        $password = getenv('MOMENTRY_DB_PASSWORD') ?: '';
+        
+        $dsn = "pgsql:host={$host};port={$port};dbname={$dbname}";
+        
+        try {
+            $pdo = new PDO($dsn, $user, $password, [
+                PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+                PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+                PDO::ATTR_EMULATE_PREPARES => false,
+            ]);
+            
+            return $pdo;
+        } catch (PDOException $e) {
+            throw new RuntimeException(
+                'Database connection failed: ' . $e->getMessage()
+            );
+        }
+    }
+    
+    public static function get_schema(): string {
+        return getenv('MOMENTRY_DB_SCHEMA') ?: 'dev';
+    }
+}