diff --git a/Makefile b/Makefile
index 032b0004..19f50c00 100644
--- a/Makefile
+++ b/Makefile
@@ -25,9 +25,6 @@ deps-audit:
 cargo-audit:
 	cargo audit --file rust/prop_grid_rs/Cargo.lock
 
-sobelow:
-	MIX_ENV=test mix sobelow --config --quiet
-
 format:
 	MIX_ENV=test mix format --check-formatted
 
diff --git a/lib/microwaveprop_web/live/admin/contact_edit_live.ex b/lib/microwaveprop_web/live/admin/contact_edit_live.ex
index 36f1b924..0942a551 100644
--- a/lib/microwaveprop_web/live/admin/contact_edit_live.ex
+++ b/lib/microwaveprop_web/live/admin/contact_edit_live.ex
@@ -118,6 +118,12 @@ defmodule MicrowavepropWeb.Admin.ContactEditLive do
     end
   end
 
+  # Swoosh's test adapter delivers the email back to the calling process.
+  # Approval/rejection notifications are sent from this LiveView process,
+  # so consume the adapter message instead of crashing on an unknown info.
+  @impl true
+  def handle_info({:email, %Swoosh.Email{}}, socket), do: {:noreply, socket}
+
   defp normalize_note(""), do: nil
   defp normalize_note(note), do: String.trim(note)
 
diff --git a/lib/microwaveprop_web/live/admin/monitor_live/index.ex b/lib/microwaveprop_web/live/admin/monitor_live/index.ex
index f0dbdfcb..6d9bc6a8 100644
--- a/lib/microwaveprop_web/live/admin/monitor_live/index.ex
+++ b/lib/microwaveprop_web/live/admin/monitor_live/index.ex
@@ -109,7 +109,7 @@ defmodule MicrowavepropWeb.Admin.MonitorLive.Index do
             </tr>
           </thead>
           <tbody id="monitors" phx-update="stream">
-            <tr :for={{id, monitor} <- @streams.monitors}>
+            <tr :for={{id, monitor} <- @streams.monitors} id={id}>
               <td class="font-semibold">{monitor.name}</td>
               <td class="text-sm">
                 <%= if monitor.hardware_type do %>
diff --git a/lib/microwaveprop_web/live/rover_locations_live.ex b/lib/microwaveprop_web/live/rover_locations_live.ex
index ef9a544b..7f914583 100644
--- a/lib/microwaveprop_web/live/rover_locations_live.ex
+++ b/lib/microwaveprop_web/live/rover_locations_live.ex
@@ -433,7 +433,11 @@ defmodule MicrowavepropWeb.RoverLocationsLive do
         </.form>
       </div>
 
-      <form phx-change="filter_status" class="mb-4 flex items-center gap-2">
+      <form
+        id="rover-status-filter-form"
+        phx-change="filter_status"
+        class="mb-4 flex items-center gap-2"
+      >
         <label for="status-filter" class="text-sm font-medium">Show:</label>
         <select
           id="status-filter"
diff --git a/test/microwaveprop/beacons/range_estimate_test.exs b/test/microwaveprop/beacons/range_estimate_test.exs
index a401c51b..603241f4 100644
--- a/test/microwaveprop/beacons/range_estimate_test.exs
+++ b/test/microwaveprop/beacons/range_estimate_test.exs
@@ -55,9 +55,9 @@ defmodule Microwaveprop.Beacons.RangeEstimateTest do
       assert result.band_mhz == 10_000
       assert result.center_score == 50
       assert is_float(result.eirp_dbm)
-      assert result.cells != []
+      assert Enum.any?(result.cells)
       assert result.grid_step == 0.125
-      assert result.tiers != []
+      assert Enum.any?(result.tiers)
     end
 
     test "each cell carries lat/lon, distance, rx_dbm, tier label/color" do
diff --git a/test/microwaveprop/logger_format_test.exs b/test/microwaveprop/logger_format_test.exs
index 505fe68b..89faf999 100644
--- a/test/microwaveprop/logger_format_test.exs
+++ b/test/microwaveprop/logger_format_test.exs
@@ -10,8 +10,6 @@ defmodule Microwaveprop.LoggerFormatTest do
 
   alias LoggerJSON.Formatters.Basic
 
-  require Logger
-
   @moduletag capture_log: false
 
   describe "structured JSON formatter" do
diff --git a/test/microwaveprop/prom_ex_test.exs b/test/microwaveprop/prom_ex_test.exs
index c250118c..444689eb 100644
--- a/test/microwaveprop/prom_ex_test.exs
+++ b/test/microwaveprop/prom_ex_test.exs
@@ -4,7 +4,7 @@ defmodule Microwaveprop.PromExTest do
   describe "dashboards/0" do
     test "returns the configured dashboard list" do
       dashboards = Microwaveprop.PromEx.dashboards()
-      assert dashboards != []
+      assert Enum.any?(dashboards)
       assert {:prom_ex, "application.json"} in dashboards
     end
   end
@@ -12,7 +12,7 @@ defmodule Microwaveprop.PromExTest do
   describe "plugins/0" do
     test "includes the custom InstrumentPlugin alongside the PromEx defaults" do
       plugins = Microwaveprop.PromEx.plugins()
-      assert plugins != []
+      assert Enum.any?(plugins)
       assert Microwaveprop.PromEx.InstrumentPlugin in plugins
       assert PromEx.Plugins.Beam in plugins
     end
diff --git a/test/microwaveprop/propagation/eme_test.exs b/test/microwaveprop/propagation/eme_test.exs
index c68d6006..4b42f40d 100644
--- a/test/microwaveprop/propagation/eme_test.exs
+++ b/test/microwaveprop/propagation/eme_test.exs
@@ -97,7 +97,7 @@ defmodule Microwaveprop.Propagation.EmeTest do
       for {_label, mhz_str} <- BandConfig.band_options() do
         {mhz, _} = Integer.parse(mhz_str)
         rho = Eme.moon_albedo(mhz)
-        assert is_number(rho) and rho > 0.0 and rho < 0.2
+        assert rho > 0.0 and rho < 0.2
       end
     end
   end
diff --git a/test/microwaveprop/propagation/recalibrator_test.exs b/test/microwaveprop/propagation/recalibrator_test.exs
index bd4d35e7..45316689 100644
--- a/test/microwaveprop/propagation/recalibrator_test.exs
+++ b/test/microwaveprop/propagation/recalibrator_test.exs
@@ -1,7 +1,6 @@
 defmodule Microwaveprop.Propagation.RecalibratorTest do
   use Microwaveprop.DataCase, async: true
 
-  alias Microwaveprop.Propagation.BandWeights
   alias Microwaveprop.Propagation.Recalibrator
   alias Microwaveprop.Radio.Contact
   alias Microwaveprop.Weather.HrrrProfile
diff --git a/test/microwaveprop/radio/contact_edit_test.exs b/test/microwaveprop/radio/contact_edit_test.exs
index 2ff04374..ec5ba873 100644
--- a/test/microwaveprop/radio/contact_edit_test.exs
+++ b/test/microwaveprop/radio/contact_edit_test.exs
@@ -6,6 +6,7 @@ defmodule Microwaveprop.Radio.ContactEditTest do
   alias Microwaveprop.Radio
   alias Microwaveprop.Radio.Contact
   alias Microwaveprop.Radio.ContactEdit
+  alias Microwaveprop.Radio.Contacts
   alias Microwaveprop.Terrain.ElevationClient
   alias Microwaveprop.Weather.HrrrClient
   alias Microwaveprop.Weather.IemClient
@@ -538,14 +539,15 @@ defmodule Microwaveprop.Radio.ContactEditTest do
       sentinel = :stale_payload
       ten_min = 10 * 60 * 1_000
 
-      Cache.put({Radio, :total_contact_count}, sentinel, ten_min)
-      Cache.put({Radio, :contact_map_payload}, sentinel, ten_min)
+      Cache.put({Contacts, :total_contact_count}, sentinel, ten_min)
+      Cache.put({Contacts, :contact_map_payload}, sentinel, ten_min)
       Cache.put({MicrowavepropWeb.ContactMapController, :gzipped_payload}, sentinel, ten_min)
 
       {:ok, _} = Radio.apply_owner_edit(contact, user, %{"private" => true})
 
-      assert :ets.lookup(:microwaveprop_cache, {Radio, :total_contact_count}) == []
-      assert :ets.lookup(:microwaveprop_cache, {Radio, :contact_map_payload}) == []
+      assert :ets.lookup(:microwaveprop_cache, {Contacts, :total_contact_count}) == []
+
+      assert :ets.lookup(:microwaveprop_cache, {Contacts, :contact_map_payload}) == []
 
       assert :ets.lookup(:microwaveprop_cache, {MicrowavepropWeb.ContactMapController, :gzipped_payload}) ==
                []
diff --git a/test/microwaveprop/weather/grid_cache_valkey_test.exs b/test/microwaveprop/weather/grid_cache_valkey_test.exs
index ce7f7555..33771f09 100644
--- a/test/microwaveprop/weather/grid_cache_valkey_test.exs
+++ b/test/microwaveprop/weather/grid_cache_valkey_test.exs
@@ -36,11 +36,12 @@ defmodule Microwaveprop.Weather.GridCacheValkey.EmptyCacheTest do
     GridCache.clear()
 
     on_exit(fn ->
-      if pid && Process.alive?(pid) do
+      if Process.whereis(Conn) == pid do
         Process.unregister(Conn)
-        Process.exit(pid, :kill)
       end
 
+      Process.exit(pid, :kill)
+
       if prev_url,
         do: Application.put_env(:microwaveprop, :valkey_url, prev_url),
         else: Application.delete_env(:microwaveprop, :valkey_url)
@@ -153,11 +154,12 @@ defmodule Microwaveprop.Weather.GridCacheValkey.DataCacheTest do
     GridCache.clear()
 
     on_exit(fn ->
-      if pid && Process.alive?(pid) do
+      if Process.whereis(Conn) == pid do
         Process.unregister(Conn)
-        Process.exit(pid, :kill)
       end
 
+      Process.exit(pid, :kill)
+
       if prev_url,
         do: Application.put_env(:microwaveprop, :valkey_url, prev_url),
         else: Application.delete_env(:microwaveprop, :valkey_url)
diff --git a/test/microwaveprop/weather/nexrad_client_test.exs b/test/microwaveprop/weather/nexrad_client_test.exs
index 71a6d8e7..7ad07f08 100644
--- a/test/microwaveprop/weather/nexrad_client_test.exs
+++ b/test/microwaveprop/weather/nexrad_client_test.exs
@@ -112,7 +112,7 @@ defmodule Microwaveprop.Weather.NexradClientTest do
         Enum.reduce(48..52, pixels, fn y, acc ->
           Enum.reduce(48..52, acc, fn x, inner_acc ->
             offset = y * width + x
-            <<pre::binary-size(offset), _::8, post::binary>> = inner_acc
+            <<pre::binary-size(^offset), _::8, post::binary>> = inner_acc
             <<pre::binary, 120::8, post::binary>>
           end)
         end)
@@ -149,7 +149,7 @@ defmodule Microwaveprop.Weather.NexradClientTest do
           Enum.reduce(48..52, acc, fn x, inner_acc ->
             offset = y * width + x
             value = if rem(x + y, 2) == 0, do: 100, else: 200
-            <<pre::binary-size(offset), _::8, post::binary>> = inner_acc
+            <<pre::binary-size(^offset), _::8, post::binary>> = inner_acc
             <<pre::binary, value::8, post::binary>>
           end)
         end)
diff --git a/test/microwaveprop/workers/ionosphere_fetch_worker_test.exs b/test/microwaveprop/workers/ionosphere_fetch_worker_test.exs
index 4e611a01..713d2035 100644
--- a/test/microwaveprop/workers/ionosphere_fetch_worker_test.exs
+++ b/test/microwaveprop/workers/ionosphere_fetch_worker_test.exs
@@ -60,7 +60,7 @@ defmodule Microwaveprop.Workers.IonosphereFetchWorkerTest do
     test "exposes a non-empty list of CONUS ionosonde stations" do
       stations = IonosphereFetchWorker.stations()
 
-      assert stations != []
+      assert Enum.any?(stations)
 
       # Every station entry has the shape the fetcher expects, with a
       # plausible CONUS lat/lon envelope.
diff --git a/test/microwaveprop_web/controllers/user_settings_controller_test.exs b/test/microwaveprop_web/controllers/user_settings_controller_test.exs
index f5983cfb..ce11267e 100644
--- a/test/microwaveprop_web/controllers/user_settings_controller_test.exs
+++ b/test/microwaveprop_web/controllers/user_settings_controller_test.exs
@@ -45,7 +45,7 @@ defmodule MicrowavepropWeb.UserSettingsControllerTest do
 
       assert get_session(new_password_conn, :user_token) != get_session(conn, :user_token)
 
-      assert get_flash(new_password_conn, :info) =~
+      assert Phoenix.Flash.get(new_password_conn.assigns.flash, :info) =~
                "Password updated successfully"
 
       assert Accounts.get_user_by_email_and_password(user.email, "new valid password")
diff --git a/test/microwaveprop_web/controllers/weather_tile_controller_test.exs b/test/microwaveprop_web/controllers/weather_tile_controller_test.exs
index e9ca25e9..c1dbefeb 100644
--- a/test/microwaveprop_web/controllers/weather_tile_controller_test.exs
+++ b/test/microwaveprop_web/controllers/weather_tile_controller_test.exs
@@ -7,10 +7,13 @@ defmodule MicrowavepropWeb.WeatherTileControllerTest do
 
   setup do
     GridCache.clear()
+    ProfilesFile.prune_older_than(~U[2099-12-31 23:59:59Z])
+    ScalarFile.prune_older_than(~U[2099-12-31 23:59:59Z])
 
     on_exit(fn ->
       GridCache.clear()
       ProfilesFile.prune_older_than(~U[2099-12-31 23:59:59Z])
+      ScalarFile.prune_older_than(~U[2099-12-31 23:59:59Z])
     end)
 
     :ok
diff --git a/test/microwaveprop_web/live/about_live_test.exs b/test/microwaveprop_web/live/about_live_test.exs
index d5d41470..528dd99b 100644
--- a/test/microwaveprop_web/live/about_live_test.exs
+++ b/test/microwaveprop_web/live/about_live_test.exs
@@ -1,8 +1,6 @@
 defmodule MicrowavepropWeb.AboutLiveTest do
   use MicrowavepropWeb.ConnCase, async: true
 
-  import Phoenix.LiveViewTest
-
   alias Microwaveprop.Repo
 
   describe "page content" do
diff --git a/test/microwaveprop_web/live/contact_live/index_test.exs b/test/microwaveprop_web/live/contact_live/index_test.exs
index f20fb68f..a964a8b3 100644
--- a/test/microwaveprop_web/live/contact_live/index_test.exs
+++ b/test/microwaveprop_web/live/contact_live/index_test.exs
@@ -7,8 +7,6 @@ defmodule MicrowavepropWeb.ContactLive.IndexTest do
   alias Microwaveprop.Radio.Contact
   alias Microwaveprop.Repo
   alias Microwaveprop.Terrain.ElevationClient
-  alias Microwaveprop.Weather.HrrrNativeProfile
-  alias Microwaveprop.Weather.NarrProfile
 
   setup do
     Req.Test.stub(ElevationClient, fn conn ->
diff --git a/test/microwaveprop_web/live/contact_live/show_coverage_test.exs b/test/microwaveprop_web/live/contact_live/show_coverage_test.exs
index 13b54fde..f0dc3680 100644
--- a/test/microwaveprop_web/live/contact_live/show_coverage_test.exs
+++ b/test/microwaveprop_web/live/contact_live/show_coverage_test.exs
@@ -15,7 +15,6 @@ defmodule MicrowavepropWeb.ContactLive.ShowCoverageTest do
   alias Microwaveprop.Terrain.ElevationClient
   alias Microwaveprop.Terrain.TerrainProfile
   alias Microwaveprop.Weather
-  alias Microwaveprop.Weather.HrrrNativeProfile
   alias Microwaveprop.Weather.HrrrProfile
   alias Microwaveprop.Weather.NarrProfile
   alias Microwaveprop.Weather.SolarIndex
diff --git a/test/microwaveprop_web/live/contact_live/show_hydration_test.exs b/test/microwaveprop_web/live/contact_live/show_hydration_test.exs
index c81bd00a..5ed66346 100644
--- a/test/microwaveprop_web/live/contact_live/show_hydration_test.exs
+++ b/test/microwaveprop_web/live/contact_live/show_hydration_test.exs
@@ -12,10 +12,8 @@ defmodule MicrowavepropWeb.ContactLive.ShowHydrationTest do
   alias Microwaveprop.Terrain.ElevationClient
   alias Microwaveprop.Terrain.TerrainProfile
   alias Microwaveprop.Weather
-  alias Microwaveprop.Weather.HrrrNativeProfile
   alias Microwaveprop.Weather.HrrrProfile
   alias Microwaveprop.Weather.IemreObservation
-  alias Microwaveprop.Weather.NarrProfile
   alias Microwaveprop.Weather.Sounding
   alias Microwaveprop.Weather.SurfaceObservation
 
diff --git a/test/microwaveprop_web/live/import_live_test.exs b/test/microwaveprop_web/live/import_live_test.exs
index 1973c97a..ba980611 100644
--- a/test/microwaveprop_web/live/import_live_test.exs
+++ b/test/microwaveprop_web/live/import_live_test.exs
@@ -6,6 +6,11 @@ defmodule MicrowavepropWeb.ImportLiveTest do
   alias Microwaveprop.Radio.ImportRun
   alias Microwaveprop.Repo
 
+  defp log_in_submitter(conn, email) do
+    user = Microwaveprop.AccountsFixtures.user_fixture(%{email: email})
+    log_in_user(conn, user)
+  end
+
   defp insert_run(attrs) do
     defaults = %{
       submitter_email: "importer@example.com",
@@ -30,6 +35,7 @@ defmodule MicrowavepropWeb.ImportLiveTest do
   describe "mount" do
     test "renders the initial state of a pending import", %{conn: conn} do
       run = insert_run(%{total_rows: 25, submitter_email: "alice@example.com"})
+      conn = log_in_submitter(conn, run.submitter_email)
 
       {:ok, _lv, html} = live(conn, ~p"/imports/#{run.id}")
 
@@ -43,17 +49,17 @@ defmodule MicrowavepropWeb.ImportLiveTest do
       assert html =~ ~s(id="import-error-count")
     end
 
-    test "redirects to /submit with a flash when the import is not found", %{conn: conn} do
+    test "redirects to / with a flash when the import is not found", %{conn: conn} do
       missing_id = Ecto.UUID.generate()
 
-      assert {:error, {:live_redirect, %{to: "/submit", flash: flash}}} =
+      assert {:error, {:live_redirect, %{to: "/", flash: flash}}} =
                live(conn, ~p"/imports/#{missing_id}")
 
       assert flash["error"] =~ "Import not found"
     end
 
-    test "redirects to /submit for an obviously bad id", %{conn: conn} do
-      assert {:error, {:live_redirect, %{to: "/submit"}}} =
+    test "redirects to / for an obviously bad id", %{conn: conn} do
+      assert {:error, {:live_redirect, %{to: "/"}}} =
                live(conn, ~p"/imports/not-a-uuid")
     end
   end
@@ -61,6 +67,7 @@ defmodule MicrowavepropWeb.ImportLiveTest do
   describe "live updates" do
     test "updates counters when an import_progress message is broadcast", %{conn: conn} do
       run = insert_run(%{total_rows: 100})
+      conn = log_in_submitter(conn, run.submitter_email)
 
       {:ok, lv, _html} = live(conn, ~p"/imports/#{run.id}")
 
@@ -91,6 +98,7 @@ defmodule MicrowavepropWeb.ImportLiveTest do
 
     test "shows the complete UI once status flips to complete", %{conn: conn} do
       run = insert_run(%{total_rows: 3})
+      conn = log_in_submitter(conn, run.submitter_email)
 
       {:ok, lv, _html} = live(conn, ~p"/imports/#{run.id}")
 
@@ -127,6 +135,8 @@ defmodule MicrowavepropWeb.ImportLiveTest do
           errors: %{"2" => ["band is invalid"]}
         })
 
+      conn = log_in_submitter(conn, run.submitter_email)
+
       {:ok, _lv, html} = live(conn, ~p"/imports/#{run.id}")
 
       assert html =~ ~s(id="import-errors-section")
diff --git a/test/microwaveprop_web/live/status_live_test.exs b/test/microwaveprop_web/live/status_live_test.exs
index 199bd62c..360f4a71 100644
--- a/test/microwaveprop_web/live/status_live_test.exs
+++ b/test/microwaveprop_web/live/status_live_test.exs
@@ -90,7 +90,7 @@ defmodule MicrowavepropWeb.StatusLiveTest do
     end
   end
 
-  defp create_narr_candidate(attrs \\ []) do
+  defp create_narr_candidate(attrs) do
     lat = Keyword.get(attrs, :lat, 33.0)
     lon = Keyword.get(attrs, :lon, -97.0)
     ts = Keyword.get(attrs, :qso_timestamp, ~U[2010-06-15 18:00:00Z])
diff --git a/test/microwaveprop_web/live/user_profile_live_test.exs b/test/microwaveprop_web/live/user_profile_live_test.exs
index d507b1d0..8925ada6 100644
--- a/test/microwaveprop_web/live/user_profile_live_test.exs
+++ b/test/microwaveprop_web/live/user_profile_live_test.exs
@@ -252,7 +252,7 @@ defmodule MicrowavepropWeb.UserProfileLiveTest do
     test "owners see their assigned beacon monitors", %{conn: conn} do
       user = user_fixture(%{callsign: "W5ISP"})
 
-      {:ok, monitor} =
+      {:ok, _monitor} =
         BeaconMonitors.create_hardware(user, %{
           "name" => "Shack Pi",
           "hardware_type" => "RTL-SDR",
diff --git a/test/microwaveprop_web/plugs/remote_ip_property_test.exs b/test/microwaveprop_web/plugs/remote_ip_property_test.exs
index 8e0224a8..14056a9c 100644
--- a/test/microwaveprop_web/plugs/remote_ip_property_test.exs
+++ b/test/microwaveprop_web/plugs/remote_ip_property_test.exs
@@ -59,8 +59,8 @@ defmodule MicrowavepropWeb.Plugs.RemoteIpPropertyTest do
   defp in_cidr?({a, b, c, d}, {{na, nb, nc, nd}, prefix}) do
     host = <<a, b, c, d>>
     network = <<na, nb, nc, nd>>
-    <<host_prefix::bitstring-size(prefix), _::bitstring>> = host
-    <<net_prefix::bitstring-size(prefix), _::bitstring>> = network
+    <<host_prefix::bitstring-size(^prefix), _::bitstring>> = host
+    <<net_prefix::bitstring-size(^prefix), _::bitstring>> = network
     host_prefix == net_prefix
   end
 
diff --git a/test/microwaveprop_web/telemetry_test.exs b/test/microwaveprop_web/telemetry_test.exs
index 385a76b7..adee7632 100644
--- a/test/microwaveprop_web/telemetry_test.exs
+++ b/test/microwaveprop_web/telemetry_test.exs
@@ -8,7 +8,6 @@ defmodule MicrowavepropWeb.TelemetryTest do
     test "returns a flat list of Telemetry.Metrics structs" do
       metrics = Telemetry.metrics()
 
-      assert metrics != []
       assert Enum.any?(metrics)
 
       for m <- metrics do