Frontend update + Misc fixes (#735)

- Updated frontend CSS to Tailwind v4
- Reverted socket IO origin restriction
- Fixed search queries not persisting after auth redirect
- Move advanced search options to left UI selector
- Unlock IRC source to be used for audiobook content_type
- Tweaked security settings env var syncing to be prioritised
- Fix AA "all languages" query generation
- Added language-free AA query as second fallback in case of no results
- Testing moving SeleniumBase scratch files to /tmp via symlink
- Added enhanced logging for activity dismissals and other events
- Removed iFrame restrictions

tests/irc/test_source.py

@@ -0,0 +1,31 @@
+from shelfmark.release_sources.irc.parser import SearchResult
+from shelfmark.release_sources.irc.source import IRCReleaseSource
+
+
+def test_convert_to_releases_marks_audiobook_results_and_sorts_audio_before_archives():
+    source = IRCReleaseSource()
+    source._online_servers = set()
+
+    results = [
+        SearchResult(
+            server="AudioBot",
+            author="Author Name",
+            title="Archive Release",
+            format="zip",
+            size="1.2GB",
+            full_line="!AudioBot Author Name - Archive Release.zip ::INFO:: 1.2GB",
+        ),
+        SearchResult(
+            server="AudioBot",
+            author="Author Name",
+            title="Direct Release",
+            format="m4b",
+            size="900MB",
+            full_line="!AudioBot Author Name - Direct Release.m4b ::INFO:: 900MB",
+        ),
+    ]
+
+    releases = source._convert_to_releases(results, content_type="audiobook")
+
+    assert [release.format for release in releases] == ["m4b", "zip"]
+    assert all(release.content_type == "audiobook" for release in releases)