diff --git a/src/app/api/metrics/languages/route.ts b/src/app/api/metrics/languages/route.ts
index ed24444af..010034e46 100644
--- a/src/app/api/metrics/languages/route.ts
+++ b/src/app/api/metrics/languages/route.ts
@@ -56,7 +56,7 @@ export async function GET(req: NextRequest) {
     const data = await withMetricsCache({ bypass, key, ttlSeconds: METRICS_CACHE_TTL_SECONDS.languages }, async () => {
       const headers = { Authorization: `Bearer ${token}`, Accept: "application/vnd.github+json" };
       const since = new Date();
-      const rawDays = parseInt(req.nextUrl.searchParams.get("days") ?? "90", 10);    const days = Number.isFinite(rawDays) && rawDays > 0 ? Math.min(rawDays, 365) : 90;
+      const rawDays = parseInt(req.nextUrl.searchParams.get("days", 10) ?? "90", 10);    const days = Number.isFinite(rawDays) && rawDays > 0 ? Math.min(rawDays, 365) : 90;
 
       const searchRes = await fetch(
         `${GITHUB_API}/search/commits?q=author:${githubLogin}+author-date:>=${since.toISOString().slice(0, 10)}&per_page=100&sort=author-date&order=desc`,
diff --git a/src/app/api/metrics/prs/route.ts b/src/app/api/metrics/prs/route.ts
index b5f734133..c3e039746 100644
--- a/src/app/api/metrics/prs/route.ts
+++ b/src/app/api/metrics/prs/route.ts
@@ -204,7 +204,7 @@ async function fetchPRMetrics(
   const open = data.items.filter((pr) => pr.state === "open").length;
   const mergedPRs = data.items.filter((pr) => pr.pull_request?.merged_at != null);
   const merged = mergedPRs.length;
-  const closed = data.items.filter((pr) => pr.state === "closed" && pr.pull_request?.merged_at == null).length;
+  const closed = data.items.filter((pr) => pr.state === "closed" && pr.pull_request?.merged_at === null).length;
 
   const avgReviewMs = mergedPRs.length > 0
     ? mergedPRs.reduce((sum, pr) => sum + (new Date(pr.closed_at!).getTime() - new Date(pr.created_at).getTime()), 0) / mergedPRs.length
diff --git a/src/app/api/metrics/repo-health/route.ts b/src/app/api/metrics/repo-health/route.ts
index 8e059da02..058acefe7 100644
--- a/src/app/api/metrics/repo-health/route.ts
+++ b/src/app/api/metrics/repo-health/route.ts
@@ -150,7 +150,7 @@ export async function GET(req: NextRequest) {
     return Response.json({ error: "Unauthorized" }, { status: 401 });
   }
 
-  const requestedDays = parseInt(req.nextUrl.searchParams.get("days") ?? "30", 10);
+  const requestedDays = parseInt(req.nextUrl.searchParams.get("days", 10) ?? "30", 10);
   // Only allow 7, 30, or 90 day windows — other values default to 30.
   const days = requestedDays === 7 || requestedDays === 30 || requestedDays === 90 ? requestedDays : 30;