feat: add Google Jobs extractor and fix scraper reliability gaps

Ship a Camoufox-backed Google Jobs source, restore Glassdoor results discarded by a python-jobspy GraphQL quirk, and fix Himalayas/Gradcracker zero-job failures. Also harden prior-skip dismiss matching and multi-profile basic-auth switching for CA/US runs.

extractors/gradcracker/src/routes.ts

@@ -116,11 +116,32 @@ router.addHandler(
       const title = (await titleLocator.textContent())?.trim() ?? null;
       const jobUrl = toAbsolute(await titleLocator.getAttribute("href"));
 
-      const employerImg = article.locator("figure img");
-      const employer = (await employerImg.getAttribute("alt"))?.trim() ?? null;
-
-      const employerAnchor = article.locator("figure a");
-      const employerUrl = toAbsolute(await employerAnchor.getAttribute("href"));
+      // Employer logo/link are optional — some cards omit <figure img>, and a
+      // hard getAttribute timeout used to fail the whole region page (0 jobs)
+      // even after we had already counted cards.
+      let employer: string | null = null;
+      let employerUrl: string | null = null;
+      try {
+        const employerImg = article.locator("figure img").first();
+        if ((await employerImg.count()) > 0) {
+          employer =
+            (
+              await employerImg.getAttribute("alt", { timeout: 2000 })
+            )?.trim() ?? null;
+        }
+      } catch {
+        // optional
+      }
+      try {
+        const employerAnchor = article.locator("figure a").first();
+        if ((await employerAnchor.count()) > 0) {
+          employerUrl = toAbsolute(
+            await employerAnchor.getAttribute("href", { timeout: 2000 }),
+          );
+        }
+      } catch {
+        // optional
+      }
 
       let disciplines: string | null = null;
       try {