Sessions 5-7a: 955 tests, deployment ready
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/**
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* Morning correction sweep.
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*
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* POST /api/grading/correct → re-checks recently resolved props against
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* the current ESPN box score.
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*
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* ESPN occasionally corrects late stat lines (an awarded steal becomes a
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* turnover the next morning, a rebound gets retroactively credited to a
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* different player). The sweep groups by game_id so we make ONE API call
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* per game, not per prop.
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*
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* Distribution: result flips go to Telegram. Push is intentionally NOT
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* fired — getting a "your prop hit … actually missed" notification 12
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* hours after the fact is confusing UX. Telegram is for the operator log.
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*/
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const express = require('express');
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const axios = require('axios');
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const { getSupabaseServiceClient } = require('../utils/supabase');
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const { getSportConfig } = require('../config/sports');
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const { createLimiter, API_BUDGETS } = require('../utils/rateLimiter');
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const telegram = require('../services/distribution/telegram');
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const { __helpers: gradingHelpers } = require('./grading');
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const router = express.Router();
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const espnLimiter = createLimiter(API_BUDGETS.espn);
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const LOOPBACK_IPS = new Set(['127.0.0.1', '::1', '::ffff:127.0.0.1']);
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function requireInternal(req, res, next) {
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const expected = process.env.VYNDR_INTERNAL_KEY;
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if (!expected) return res.status(503).json({ error: 'Internal auth not configured' });
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if (req.get('X-VYNDR-Internal-Key') !== expected) {
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return res.status(401).json({ error: 'Invalid internal key' });
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}
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if (!LOOPBACK_IPS.has(req.ip || req.socket?.remoteAddress)) {
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return res.status(403).json({ error: 'Origin not permitted' });
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}
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return next();
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}
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async function fetchBoxScore(sportCfg, gameId) {
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await espnLimiter.waitForToken();
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if (sportCfg.useMlbStatsApi) {
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const res = await axios.get(`${sportCfg.mlbStatsApiBase}/game/${gameId}/feed/live`, { timeout: 15_000 });
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return res.data;
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}
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const res = await axios.get(`${sportCfg.espnSummary}?event=${encodeURIComponent(gameId)}`, { timeout: 15_000 });
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return res.data;
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}
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router.post('/correct', requireInternal, async (req, res) => {
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const hours = Number(req.body?.hours) || 72;
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const supabase = getSupabaseServiceClient();
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const cutoff = new Date(Date.now() - hours * 60 * 60 * 1000).toISOString();
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// Pull every resolved prop in the window. Pre-corrected ones (already
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// carrying a correction_note) are still re-checked — ESPN can correct a
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// correction.
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const { data: rows, error } = await supabase
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.from('resolution_results')
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.select('id, grade_id, game_id, sport, player_espn_id, player_name, stat_type, line, direction, actual_value, result, margin')
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.gte('resolved_at', cutoff);
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if (error) {
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console.error('[VYNDR] correction lookup failed:', error.message);
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return res.status(503).json({ error: 'Correction lookup failed' });
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}
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if (!rows || rows.length === 0) {
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return res.json({ checked: 0, corrected: 0, details: [] });
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}
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// Group by game so we hit ESPN once per game instead of once per prop.
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const byGame = new Map();
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for (const r of rows) {
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const key = `${r.sport}:${r.game_id}`;
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if (!byGame.has(key)) byGame.set(key, []);
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byGame.get(key).push(r);
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}
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let checked = 0;
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let corrected = 0;
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const details = [];
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for (const [, propsForGame] of byGame.entries()) {
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const sport = propsForGame[0].sport;
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const gameId = propsForGame[0].game_id;
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let sportCfg;
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try { sportCfg = getSportConfig(sport); }
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catch { continue; }
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let boxScore;
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try { boxScore = await fetchBoxScore(sportCfg, gameId); }
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catch (err) {
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console.warn(`[VYNDR] correction box-score fetch failed for ${gameId}: ${err.message}`);
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continue;
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}
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const idx = gradingHelpers.indexBoxScore(sport, boxScore);
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for (const prop of propsForGame) {
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checked += 1;
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const found = idx.get(String(prop.player_espn_id));
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if (!found) continue;
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const newActual = gradingHelpers.calculateStat(found.statsBag, prop.stat_type, sportCfg);
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if (newActual == null) continue;
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const newMargin = newActual - Number(prop.line);
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let newResult;
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if (prop.direction === 'over') {
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if (newActual > prop.line) newResult = 'hit';
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else if (newActual < prop.line) newResult = 'miss';
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else newResult = 'push';
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} else {
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if (newActual < prop.line) newResult = 'hit';
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else if (newActual > prop.line) newResult = 'miss';
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else newResult = 'push';
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}
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// Only act if the value actually changed. Identical replays are no-ops.
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const valueChanged = Number(prop.actual_value) !== newActual;
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if (!valueChanged) continue;
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const flipped = prop.result !== newResult;
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const patch = {
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actual_value: newActual,
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margin: newMargin,
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};
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if (flipped) {
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patch.result = newResult;
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patch.correction_note = `Corrected ${prop.result} → ${newResult}`;
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patch.correction_original_value = prop.actual_value;
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patch.correction_original_result = prop.result;
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}
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await supabase.from('resolution_results').update(patch).eq('id', prop.id);
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await supabase.from('grade_history').update({
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actual_value: newActual,
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result: flipped ? newResult : prop.result,
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margin: newMargin,
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...(flipped ? {
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correction_note: patch.correction_note,
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correction_original_value: patch.correction_original_value,
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correction_original_result: patch.correction_original_result,
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} : {}),
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}).eq('id', prop.grade_id);
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details.push({
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grade_id: prop.grade_id,
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player_name: prop.player_name,
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stat_type: prop.stat_type,
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old: { actual: prop.actual_value, result: prop.result },
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new: { actual: newActual, result: newResult },
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flipped,
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});
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if (flipped) corrected += 1;
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if (flipped && telegram.configured?.()) {
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telegram.postToTelegram({
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text: `🔄 CORRECTION | ${prop.player_name} ${prop.direction} ${prop.line} ${prop.stat_type} | ${prop.actual_value}→${newActual} | ${prop.result.toUpperCase()}→${newResult.toUpperCase()}`,
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}).catch(() => { /* fire-and-forget */ });
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}
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}
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}
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return res.json({ checked, corrected, details });
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});
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module.exports = router;
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