fix(api): search survives a down TMDB and errors name the upstream

web/src/main.ts

@@ -576,11 +576,21 @@ function searchMain(
       (hit): hit is LibrarySeriesHit => hit.kind === "series",
     );
     const inLibrary = new Set([...libraryMovies, ...librarySeries].map((title) => title.tmdb_id));
+    // Issue #168: an unreachable TMDB degrades only its own group — the
+    // operator sees the library half plus why TMDB is missing, and can tell
+    // that apart from a clean "nothing found".
+    const tmdbDown = response.tmdb_status === "unavailable";
     if (response.library.length === 0 && response.tmdb.length === 0) {
-      setStatus("no matches in library or on tmdb");
+      setStatus(
+        tmdbDown ? "no matches in library — tmdb unavailable" : "no matches in library or on tmdb",
+      );
       return;
     }
-    setStatus(null);
+    if (tmdbDown) {
+      setStatus("tmdb unavailable — showing library matches only", "fault");
+    } else {
+      setStatus(null);
+    }
 
     if (response.library.length > 0) {
       refs.groups.library.section.hidden = false;