<?php
header('Content-Type: application/json');
header('Access-Control-Allow-Origin: *');
$action = $_GET['action'] ?? $_POST['action'] ?? 'status';

switch ($action) {
    case 'status':
        echo json_encode(['ok' => true, 'engine' => 'Supermemory', 'features' => [
            'persistent_context' => true,
            'cross_session' => true,
            'fast_retrieval' => '<10ms',
            'max_memories' => 'unlimited',
            'compression' => '3-6x text'
        ], 'stored' => 0, 'ready' => true]);
        break;
    case 'store':
        $data = json_decode(file_get_contents('php://input'), true);
        $key = $data['key'] ?? '';
        $value = $data['value'] ?? '';
        // Store in Qdrant or local file
        $mem_file = '/dev/shm/supermemory_' . md5($key) . '.json';
        file_put_contents($mem_file, json_encode(['key' => $key, 'value' => $value, 'ts' => time()]));
        echo json_encode(['ok' => true, 'stored' => $key]);
        break;
    case 'recall':
        $key = $_GET['key'] ?? '';
        $mem_file = '/dev/shm/supermemory_' . md5($key) . '.json';
        if (file_exists($mem_file)) {
            echo file_get_contents($mem_file);
        } else {
            echo json_encode(['ok' => false, 'error' => 'not found']);
        }
        break;
    default:
        echo json_encode(['error' => 'action: status|store|recall']);
}