Session 19: Sports design overhaul — player cards with headshots, game card redesign, scan page tonight's players, odds diagnostic logging, tier gate utility (1444 tests)

src/services/oddsService.js

@@ -300,7 +300,20 @@ async function getOdds(sport) {
       };
     }
 
-    // No cache at all
+    // No cache at all. Session 19 — surface the underlying cause in
+    // logs so operators can tell odds-api auth failures apart from
+    // network blips apart from rate-limit responses. The 503 wrapper
+    // hides everything by design (don't leak details to clients);
+    // this log gives the operator the signal they need.
+    const upstreamStatus = err.response && err.response.status;
+    const upstreamBody = err.response && err.response.data;
+    console.error(
+      `[oddsService] ${sport} fetch failed — no cache fallback. ` +
+      `upstream_status=${upstreamStatus || 'n/a'} ` +
+      `code=${err.code || 'n/a'} ` +
+      `message=${err.message} ` +
+      `upstream_body=${upstreamBody ? JSON.stringify(upstreamBody).slice(0, 200) : 'n/a'}`,
+    );
     if (err.statusCode === 429) throw err;
     const serviceError = new Error('Odds service unavailable.');
     serviceError.statusCode = 503;