Session 23: All-day intelligence layer — schedule, game lines, streaks, hot lists, stat filtering, ParlayAPI dead (1567 tests)

src/routes/hotlist.js

@@ -0,0 +1,39 @@
+/**
+ * /api/hotlist/:sport (Session 23)
+ *
+ * Rolling recent-window leaders, ranked by how far ABOVE baseline each
+ * player is trending. NO API calls — reads warm cached game logs and runs
+ * the pure hot-list engine. Supports `?stat=points` and `?limit=N`.
+ *
+ * Response: { sport, stat, players: [...], source: 'computed' }
+ */
+
+const express = require('express');
+const hotListService = require('../services/hotListService');
+const { loadRosterLogs } = require('../services/rosterLogs');
+
+const router = express.Router();
+
+const MISSION_HEADER = { 'X-VYNDR-Mission': 'Hot right now' };
+
+const SUPPORTED = new Set(['nba', 'wnba', 'mlb', 'soccer']);
+
+router.get('/:sport', async (req, res) => {
+  const sport = String(req.params.sport || '').toLowerCase();
+  if (!SUPPORTED.has(sport)) {
+    return res.status(404).set(MISSION_HEADER).json({ error: `No hot list for sport: ${sport}` });
+  }
+  const stat = req.query.stat ? String(req.query.stat).toLowerCase() : 'all';
+  const limit = req.query.limit ? Math.max(0, parseInt(req.query.limit, 10) || 0) : 0;
+
+  try {
+    const roster = await loadRosterLogs(sport);
+    const players = hotListService.computeHotList(roster, sport, { stat, limit });
+    return res.set(MISSION_HEADER).json({ sport, stat, players, source: 'computed' });
+  } catch (err) {
+    console.error(`[hotlist/${sport}]`, err.message);
+    return res.set(MISSION_HEADER).json({ sport, stat, players: [], source: 'computed' });
+  }
+});
+
+module.exports = router;