feat(home): search-driven link library with mobile card layout

- /search/aliases/ now matches alias/url/description/text/tags and returns
  id, link_type, detail_url, edit_url, click_count for management actions
- Library filter upgraded from client-side row filtering to live search
  cards: click card -> detail page, inline edit/delete, alias jumps
- Mobile: table rows render as cards (kills 620px horizontal scroll),
  hidden cells stay hidden, no viewport overflow
- Hero search no longer autofocuses on touch devices (no keyboard pop);
  desktop keeps autofocus via hover:fine media query
- Nav bar unified to light frosted-glass (was dark green) across all pages
- Fix hero-glow decorative overflow on mobile
- Add tests/test_search_aliases.py (8 cases)

tests/test_search_aliases.py

@@ -0,0 +1,107 @@
+"""Tests for the enhanced /search/aliases/ endpoint (search-driven library)."""
+import pytest
+from django.test import Client
+from django.urls import reverse
+from links.models import Link, Tag
+
+
+@pytest.fixture
+def db_links(db):
+    """A small, deterministic link library for search tests."""
+    l1 = Link.objects.create(
+        alias="github", original_url="https://github.com", link_type="LINK", click_count=5,
+        description="Code hosting",
+    )
+    l2 = Link.objects.create(
+        alias="gitlab", original_url="https://gitlab.com", link_type="LINK", click_count=2,
+        description="Another code host",
+    )
+    l3 = Link.objects.create(
+        alias="docs", original_url="https://docs.example.com/{page,default=index}", link_type="LINK",
+        click_count=0, description="Template link",
+    )
+    l4 = Link.objects.create(
+        alias="notify", original_url="", link_type="ACTION",
+        action_config={"action_type": "discord_send"}, click_count=0,
+    )
+    tag = Tag.objects.create(name="dev")
+    l1.tags.add(tag)
+    return [l1, l2, l3, l4]
+
+
+@pytest.mark.django_db
+def test_search_aliases_matches_alias_and_returns_enriched_fields(client, db_links):
+    resp = client.get(reverse("search_aliases"), {"q": "git"})
+    assert resp.status_code == 200
+    data = resp.json()
+    aliases = {item["alias"] for item in data}
+    assert aliases == {"github", "gitlab"}
+
+    github = next(i for i in data if i["alias"] == "github")
+    # Enriched management fields are present and correct
+    assert github["id"] == db_links[0].id
+    assert github["link_type"] == "LINK"
+    assert github["detail_url"] == f"/link/{db_links[0].id}/"
+    assert github["edit_url"] == f"/link/{db_links[0].id}/edit/"
+    assert github["click_count"] == 5
+    assert github["description"] == "Code hosting"
+    assert github["original_url"] == "https://github.com"
+    # Backwards-compatible fields (hero autocomplete relies on these)
+    assert github["url"].endswith("/github/")
+
+
+@pytest.mark.django_db
+def test_search_aliases_matches_original_url(client, db_links):
+    resp = client.get(reverse("search_aliases"), {"q": "gitlab.com"})
+    assert resp.status_code == 200
+    assert [i["alias"] for i in resp.json()] == ["gitlab"]
+
+
+@pytest.mark.django_db
+def test_search_aliases_matches_description(client, db_links):
+    resp = client.get(reverse("search_aliases"), {"q": "template link"})
+    assert resp.status_code == 200
+    assert [i["alias"] for i in resp.json()] == ["docs"]
+
+
+@pytest.mark.django_db
+def test_search_aliases_matches_tag_name(client, db_links):
+    resp = client.get(reverse("search_aliases"), {"q": "dev"})
+    assert resp.status_code == 200
+    assert [i["alias"] for i in resp.json()] == ["github"]
+
+
+@pytest.mark.django_db
+def test_search_aliases_priority_exact_first(client, db_links):
+    resp = client.get(reverse("search_aliases"), {"q": "github"})
+    assert resp.status_code == 200
+    assert resp.json()[0]["alias"] == "github"
+
+
+@pytest.mark.django_db
+def test_search_aliases_empty_query_returns_recent(client, db_links):
+    # Touch l2 so it becomes the most recently updated (auto_now needs the
+    # field explicitly listed in update_fields to refresh).
+    db_links[1].click_count = 3
+    db_links[1].save(update_fields=["click_count", "updated_at"])
+    resp = client.get(reverse("search_aliases"))
+    assert resp.status_code == 200
+    data = resp.json()
+    assert len(data) >= 4
+    assert data[0]["alias"] == "gitlab"  # most recently updated first
+
+
+@pytest.mark.django_db
+def test_search_aliases_action_type_surfaces(client, db_links):
+    resp = client.get(reverse("search_aliases"), {"q": "notify"})
+    assert resp.status_code == 200
+    item = resp.json()[0]
+    assert item["link_type"] == "ACTION"
+    assert item["detail_url"] == f"/link/{db_links[3].id}/"
+
+
+@pytest.mark.django_db
+def test_search_aliases_no_results(client, db_links):
+    resp = client.get(reverse("search_aliases"), {"q": "zzzznothing"})
+    assert resp.status_code == 200
+    assert resp.json() == []