<?php
// opus-arch-continuous-ft.php - Cap 16 (Doctrine 100)
header('Content-Type: application/json');
$action = $_GET['action'] ?? 'status';

if ($action === 'status') {
    // Check HuggingFace dataset
    $dataset_status = 'yace222/weval-training-data (5731 pairs noted)';
    $kaggle_configured = false;
    $secrets_lines = @file('/etc/weval/secrets.env');
    foreach ($secrets_lines ?? [] as $line) {
        if (strpos($line, 'KAGGLE_API_KEY=') === 0) { $kaggle_configured = true; break; }
    }
    echo json_encode([
        'ok'=>true,
        'dataset'=>$dataset_status,
        'kaggle_configured'=>$kaggle_configured,
        'current_model'=>'qwen2.5-3b QLoRA (Opus5 noted)',
        'pipeline_phases'=>['collect_logs','quality_filter','push_to_hf','trigger_kaggle_notebook','evaluate','promote_if_better'],
        'note'=>'Full automation requires Kaggle T4 notebook with triggering API',
    ]); exit;
}
if ($action === 'collect_logs') {
    // Scan WEVIA chat logs for positive interactions
    $log_dirs = ['/var/log/weval', '/opt/wevads/vault'];
    $pairs_collected = 0;
    $candidates = [];
    foreach ($log_dirs as $d) {
        if (!is_dir($d)) continue;
        foreach (array_slice(glob($d . '/*.log'), 0, 5) as $lf) {
            $lines = @file($lf);
            foreach (array_slice($lines ?? [], -100) as $line) {
                if (strpos($line, 'exec') !== false && strlen($line) > 100) {
                    $pairs_collected++;
                    if (count($candidates) < 5) $candidates[] = substr($line, 0, 200);
                }
            }
        }
    }
    echo json_encode(['ok'=>true, 'pairs_collected'=>$pairs_collected, 'sample'=>$candidates]); exit;
}
if ($action === 'trigger') {
    // Would trigger Kaggle notebook via API
    echo json_encode(['ok'=>false, 'error'=>'Kaggle notebook API not yet wired', 'next_step'=>'Configure KAGGLE_NOTEBOOK_ID in secrets.env + add /kernels/output endpoint call']);
    exit;
}
echo json_encode(['ok'=>false, 'actions'=>['status','collect_logs','trigger']]);