Fix process not exiting after run, detect closed job listings

- All entry points with log tee now call logStream.end() + process.exit()
  (log stream kept event loop alive, blocking next cron run)
- easy_apply: detect "no longer accepting applications" and similar closed
  listing text before reporting as unsupported

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lib/apply/easy_apply.mjs

@@ -163,6 +163,16 @@ export async function apply(page, job, formFiller) {
   }
 
   if (!eaBtn) {
+    // Check if the listing is closed
+    const closed = await page.evaluate(() => {
+      const text = (document.body.innerText || '').toLowerCase();
+      return text.includes('no longer accepting') || text.includes('no longer available') ||
+             text.includes('this job has expired') || text.includes('job is closed');
+    }).catch(() => false);
+    if (closed) {
+      console.log(`    ℹ️  Job closed — no longer accepting applications`);
+      return { status: 'skipped_no_apply', meta };
+    }
     console.log(`    ℹ️  No Easy Apply button found. Page URL: ${page.url()}`);
     console.log(`    Action: job may have been removed, filled, or changed to external apply`);
     return { status: 'skipped_easy_apply_unsupported', meta };