Session 20: Provider intelligence — quota tracker, gateway with fallback cascade, admin quota dashboard (1476 tests)

src/routes/internal.js

@@ -17,11 +17,31 @@
 const express = require('express');
 const { requireInternalAuth } = require('../middleware/internalAuth');
 const tank01Prefetch = require('../../scripts/tank01-prefetch');
+const quotaTracker = require('../services/quotaTracker');
 
 const router = express.Router();
 
 router.use(requireInternalAuth({ loopbackOnly: false }));
 
+/**
+ * GET /api/internal/quota (Session 20)
+ *
+ * Snapshot of every configured provider's current quota counter.
+ * Consumed by the admin dashboard's "Provider Quotas" tile. Cached
+ * for 5s so a refresh-button mash doesn't flood Redis.
+ */
+router.get('/quota', async (req, res) => {
+  try {
+    const providers = await quotaTracker.getAllQuotaStatuses();
+    res.set('Cache-Control', 'private, max-age=5');
+    return res.json({ ok: true, providers });
+  } catch (err) {
+    const message = err && err.message ? err.message : String(err);
+    console.error('[internal/quota] failed:', message);
+    return res.status(500).json({ ok: false, error: message });
+  }
+});
+
 /**
  * POST /api/internal/prefetch/tank01
  *