<?php
// opus-arch-voice.php - Cap 7 Voice skeleton
header('Content-Type: application/json');
$action = $_POST['action'] ?? $_GET['action'] ?? 'status';
if ($action === 'status') {
    echo json_encode([
        'ok'=>true,
        'whisper_bin_exists'=>file_exists('/opt/whisper.cpp/main'),
        'xtts_dir_exists'=>is_dir('/opt/xtts'),
        'endpoints'=>['transcribe','synthesize','status','get_audio']
    ]); exit;
}
if ($action === 'transcribe' && isset($_FILES['audio'])) {
    $wh = '/opt/whisper.cpp/main';
    if (!file_exists($wh)) { echo json_encode(['ok'=>false,'error'=>'whisper not compiled']); exit; }
    $out = shell_exec('timeout 30 '.$wh.' -m /opt/whisper.cpp/models/ggml-base.bin -f '.escapeshellarg($_FILES['audio']['tmp_name']).' 2>&1');
    echo json_encode(['ok'=>true,'text'=>$out]); exit;
}
echo json_encode(['ok'=>false,'actions'=>['status','transcribe','synthesize','get_audio']]);