Organize scattered PHP files into scripts/ and tests/ directories

scripts/add_col.php

@@ -0,0 +1 @@
+<?php $db = new PDO("sqlite:collections.sqlite"); $db->exec("ALTER TABLE items ADD COLUMN id_code TEXT"); echo "done";

scripts/add_col2.php

@@ -0,0 +1 @@
+<?php $db = new PDO("sqlite:collections.sqlite"); $db->exec("ALTER TABLE items ADD COLUMN image TEXT"); echo "done";

scripts/add_col3.php

@@ -0,0 +1 @@
+<?php $db = new PDO("sqlite:collections.sqlite"); $db->exec("ALTER TABLE items ADD COLUMN location TEXT"); echo "done";

scripts/add_columns.php

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+<?php
+require '../vendor/autoload.php';
+require '../config.php';
+ = new PDO('sqlite:' . DB_PATH);
+->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+try {
+    ->exec('ALTER TABLE items ADD COLUMN id_code TEXT');
+    echo id_code

scripts/check_items.php

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+<?php
+require '../vendor/autoload.php';
+require '../config.php';
+ = App\Database\Database::getInstance();
+ = ->query('SELECT id, name FROM items');
+ = ->fetchAll(PDO::FETCH_ASSOC);
+print_r();

scripts/fix_db.php

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+<?php
+
+require __DIR__ . '/../vendor/autoload.php';
+require __DIR__ . '/../config.php';
+
+use App\Database;
+use App\Models\Category;
+
+$db = Database::getInstance();
+
+$categories = Category::getAll($db);
+
+foreach ($categories as $cat) {
+    $path = Category::getFullPath($db, $cat['id']);
+    if (strpos($path, '[Circular]') !== false) {
+        echo "Circular reference found for category {$cat['id']}: {$cat['name']}\n";
+        // Reset parent_id to null
+        $stmt = $db->prepare('UPDATE categories SET parent_id = NULL WHERE id = :id');
+        $stmt->execute([':id' => $cat['id']]);
+        echo "Fixed by setting parent_id to NULL\n";
+    }
+}
+
+echo "Done checking and fixing circular references.\n";

scripts/migrate_db.php

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+<?php
+require '../vendor/autoload.php';
+require '../config.php';
+use AppDatabaseDatabase;
+$db = App\Database\Database::getInstance();
+$db->exec('ALTER TABLE items ADD COLUMN id_code TEXT UNIQUE');
+$db->exec('ALTER TABLE items ADD COLUMN image TEXT');
+$db->exec('ALTER TABLE items ADD COLUMN location TEXT');
+echo 'Columns added to items table.\n';