diff --git a/test/last_fm/import_test.exs b/test/last_fm/import_test.exs
new file mode 100644
index 00000000..8e0b1ce2
--- /dev/null
+++ b/test/last_fm/import_test.exs
@@ -0,0 +1,50 @@
+defmodule LastFm.ImportTest do
+  use MusicLibrary.DataCase
+
+  alias MusicLibrary.ListeningStats
+
+  @recent_tracks_fixture Path.expand(
+                           "../support/fixtures/last_fm/user.getrecenttracks.json",
+                           __DIR__
+                         )
+
+  describe "batch/1" do
+    test "fetches recent tracks and persists them via ListeningStats" do
+      response = @recent_tracks_fixture |> File.read!() |> JSON.decode!()
+
+      Req.Test.stub(LastFm.API, fn conn ->
+        assert URI.decode_query(conn.query_string)["method"] == "user.getrecenttracks"
+
+        Req.Test.json(conn, response)
+      end)
+
+      assert {:ok, count} = LastFm.Import.batch([])
+      assert count > 0
+      assert ListeningStats.scrobble_count() == count
+    end
+
+    test "forwards limit and to_uts options to the Last.fm API" do
+      response = @recent_tracks_fixture |> File.read!() |> JSON.decode!()
+
+      Req.Test.stub(LastFm.API, fn conn ->
+        params = URI.decode_query(conn.query_string)
+        assert params["limit"] == "50"
+        assert params["to"] == "1730600000"
+
+        Req.Test.json(conn, response)
+      end)
+
+      assert {:ok, _count} = LastFm.Import.batch(limit: 50, to_uts: 1_730_600_000)
+    end
+
+    @tag :capture_log
+    test "returns {:error, reason} when the Last.fm API fails" do
+      Req.Test.stub(LastFm.API, fn conn ->
+        Req.Test.json(conn, %{"error" => 10, "message" => "Invalid API key"})
+      end)
+
+      assert {:error, :invalid_api_key} = LastFm.Import.batch([])
+      assert ListeningStats.scrobble_count() == 0
+    end
+  end
+end
diff --git a/test/music_library/error_ignorer_test.exs b/test/music_library/error_ignorer_test.exs
new file mode 100644
index 00000000..1f875ac9
--- /dev/null
+++ b/test/music_library/error_ignorer_test.exs
@@ -0,0 +1,22 @@
+defmodule MusicLibrary.ErrorIgnorerTest do
+  use ExUnit.Case, async: true
+
+  alias MusicLibrary.ErrorIgnorer
+
+  describe "ignore?/2" do
+    test "ignores Phoenix.Router.NoRouteError" do
+      error = %ErrorTracker.Error{kind: "Elixir.Phoenix.Router.NoRouteError"}
+      assert ErrorIgnorer.ignore?(error, %{}) == true
+    end
+
+    test "does not ignore other error kinds" do
+      error = %ErrorTracker.Error{kind: "Elixir.RuntimeError"}
+      assert ErrorIgnorer.ignore?(error, %{}) == false
+    end
+
+    test "does not ignore Ecto.NoResultsError" do
+      error = %ErrorTracker.Error{kind: "Elixir.Ecto.NoResultsError"}
+      assert ErrorIgnorer.ignore?(error, %{}) == false
+    end
+  end
+end
diff --git a/test/music_library/worker/generate_record_embedding_test.exs b/test/music_library/worker/generate_record_embedding_test.exs
new file mode 100644
index 00000000..14437221
--- /dev/null
+++ b/test/music_library/worker/generate_record_embedding_test.exs
@@ -0,0 +1,63 @@
+defmodule MusicLibrary.Worker.GenerateRecordEmbeddingTest do
+  use MusicLibrary.DataCase
+
+  import MusicLibrary.Fixtures.Records
+
+  alias MusicLibrary.Records
+  alias MusicLibrary.Records.Similarity
+  alias MusicLibrary.Worker.GenerateRecordEmbedding
+
+  describe "perform/1" do
+    test "returns :ok and broadcasts update when embedding is generated" do
+      record = record()
+
+      Req.Test.stub(OpenAI.API, fn conn ->
+        Req.Test.json(conn, %{"data" => [%{"embedding" => [0.1, 0.2, 0.3]}]})
+      end)
+
+      :ok = Records.subscribe(record.id)
+
+      assert :ok = perform_job(GenerateRecordEmbedding, %{"record_id" => record.id})
+
+      assert_receive {:update, %Records.Record{id: id}}
+      assert id == record.id
+
+      assert {:ok, _text} = Similarity.get_embedding_text(record.id)
+    end
+
+    test "returns :ok without broadcasting when text representation is unchanged" do
+      record = record()
+
+      {:ok, _} =
+        Similarity.store_embedding(
+          record.id,
+          SqliteVec.Float32.new([0.1, 0.2, 0.3]),
+          Similarity.text_representation(record)
+        )
+
+      :ok = Records.subscribe(record.id)
+
+      assert :ok = perform_job(GenerateRecordEmbedding, %{"record_id" => record.id})
+
+      refute_receive {:update, _}
+    end
+
+    @tag :capture_log
+    test "returns {:error, reason} when OpenAI API fails" do
+      record = record()
+
+      Req.Test.stub(OpenAI.API, fn conn ->
+        Plug.Conn.send_resp(conn, 500, JSON.encode!(%{"error" => "internal server error"}))
+      end)
+
+      assert {:error, _reason} =
+               perform_job(GenerateRecordEmbedding, %{"record_id" => record.id})
+    end
+
+    test "raises when record does not exist" do
+      assert_raise Ecto.NoResultsError, fn ->
+        perform_job(GenerateRecordEmbedding, %{"record_id" => Ecto.UUID.generate()})
+      end
+    end
+  end
+end
diff --git a/test/music_library_web/live/maintenance_live/index_test.exs b/test/music_library_web/live/maintenance_live/index_test.exs
new file mode 100644
index 00000000..75391c12
--- /dev/null
+++ b/test/music_library_web/live/maintenance_live/index_test.exs
@@ -0,0 +1,162 @@
+defmodule MusicLibraryWeb.MaintenanceLive.IndexTest do
+  use MusicLibraryWeb.ConnCase
+  use Oban.Testing, repo: MusicLibrary.BackgroundRepo
+
+  import MusicLibrary.ArtistInfoFixtures
+  import MusicLibrary.Fixtures.Records
+  import Phoenix.LiveViewTest
+
+  alias MusicLibrary.Secrets
+
+  describe "Maintenance page" do
+    test "renders all sections and Last.fm status", %{conn: conn} do
+      {:ok, _view, html} = live(conn, ~p"/maintenance")
+
+      assert html =~ "Records"
+      assert html =~ "Artists"
+      assert html =~ "Database"
+      assert html =~ "Assets"
+      assert html =~ "Emails"
+      assert html =~ "Last.fm"
+    end
+
+    test "async status resolves to :not_connected when no session key is stored", %{conn: conn} do
+      {:ok, view, _html} = live(conn, ~p"/maintenance")
+
+      assert render_async(view) =~ "Not connected"
+    end
+
+    test "async status resolves to connected when session key is valid", %{conn: conn} do
+      {:ok, _} = Secrets.store("last_fm_session_key", "sk-xyz")
+
+      Req.Test.stub(LastFm.API, fn conn ->
+        Req.Test.json(conn, %{"user" => %{"name" => "alice"}})
+      end)
+
+      {:ok, view, _html} = live(conn, ~p"/maintenance")
+
+      assert render_async(view) =~ "Connected as alice"
+    end
+  end
+
+  describe "records section" do
+    test "'Refresh MusicBrainz data' enqueues a RecordRefreshMusicBrainzData job per record",
+         %{conn: conn} do
+      r1 = record()
+      r2 = record()
+
+      {:ok, view, _html} = live(conn, ~p"/maintenance")
+
+      render_click(view, "refresh_records_musicbrainz_data")
+
+      assert_enqueued(
+        worker: MusicLibrary.Worker.RecordRefreshMusicBrainzData,
+        args: %{"id" => r1.id}
+      )
+
+      assert_enqueued(
+        worker: MusicLibrary.Worker.RecordRefreshMusicBrainzData,
+        args: %{"id" => r2.id}
+      )
+
+      assert render(view) =~ "Operation started in the background."
+    end
+
+    test "'Regenerate record embeddings' enqueues a GenerateRecordEmbedding job per record",
+         %{conn: conn} do
+      r1 = record()
+
+      {:ok, view, _html} = live(conn, ~p"/maintenance")
+
+      render_click(view, "generate_record_embeddings")
+
+      assert_enqueued(
+        worker: MusicLibrary.Worker.GenerateRecordEmbedding,
+        args: %{"record_id" => r1.id}
+      )
+
+      assert render(view) =~ "Operation started in the background."
+    end
+  end
+
+  describe "artists section" do
+    setup do
+      artist_info = artist_info_fixture()
+      %{artist_info: artist_info}
+    end
+
+    for {event, worker} <- [
+          {"refresh_artists_musicbrainz_data", MusicLibrary.Worker.ArtistRefreshMusicBrainzData},
+          {"refresh_artists_discogs_data", MusicLibrary.Worker.ArtistRefreshDiscogsData},
+          {"refresh_artists_wikipedia_data", MusicLibrary.Worker.ArtistRefreshWikipediaData},
+          {"refresh_artists_lastfm_data", MusicLibrary.Worker.FetchArtistLastFmData}
+        ] do
+      test "'#{event}' enqueues a #{inspect(worker)} job per artist", %{
+        conn: conn,
+        artist_info: artist_info
+      } do
+        {:ok, view, _html} = live(conn, ~p"/maintenance")
+
+        render_click(view, unquote(event))
+
+        assert_enqueued(worker: unquote(worker), args: %{"id" => artist_info.id})
+
+        assert render(view) =~ "Operation started in the background."
+      end
+    end
+  end
+
+  describe "database section" do
+    test "'Optimize' runs PRAGMA optimize and toasts success", %{conn: conn} do
+      {:ok, view, _html} = live(conn, ~p"/maintenance")
+
+      render_click(view, "db_optimize")
+
+      assert render(view) =~ "Database optimized successfully."
+    end
+  end
+
+  describe "assets section" do
+    test "'Prune asset cache' runs synchronously and reports the pruned count", %{conn: conn} do
+      {:ok, view, _html} = live(conn, ~p"/maintenance")
+
+      render_click(view, "prune_asset_cache")
+
+      assert render(view) =~ "Pruned 0 cached assets."
+    end
+
+    test "'Prune unreferenced assets' enqueues a PruneAssets job", %{conn: conn} do
+      {:ok, view, _html} = live(conn, ~p"/maintenance")
+
+      render_click(view, "prune_assets")
+
+      assert_enqueued(worker: MusicLibrary.Worker.PruneAssets)
+      assert render(view) =~ "Asset pruning started in the background."
+    end
+  end
+
+  describe "emails section" do
+    test "'Send records on this day' shows the :no_records toast when the collection is empty",
+         %{conn: conn} do
+      {:ok, view, _html} = live(conn, ~p"/maintenance")
+
+      render_click(view, "send_records_on_this_day_email")
+
+      assert render(view) =~ "No records on this day."
+    end
+  end
+
+  describe "Last.fm section" do
+    @tag :capture_log
+    test "'Re-connect to Last.fm' deletes the stored session key and redirects externally",
+         %{conn: conn} do
+      {:ok, _} = Secrets.store("last_fm_session_key", "sk-xyz")
+      {:ok, view, _html} = live(conn, ~p"/maintenance")
+
+      assert {:error, {:redirect, %{to: url}}} = render_click(view, "reconnect_lastfm")
+
+      assert url == LastFm.auth_url()
+      assert Secrets.get("last_fm_session_key") == nil
+    end
+  end
+end