fix(centralui): apply status/stuck query-string filters on the Site Calls page

tests/ScadaLink.CentralUI.Tests/Pages/SiteCallsReportPageTests.cs

@@ -1,7 +1,9 @@
 using System.Security.Claims;
 using Akka.Actor;
 using Bunit;
+using Bunit.TestDoubles;
 using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Authorization;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging.Abstractions;
@@ -411,6 +413,77 @@ public class SiteCallsReportPageTests : BunitContext
         });
     }
 
+    // ─────────────────────────────────────────────────────────────────────────
+    // Query-string drill-in — the Health-dashboard Site Call KPI tiles deep-link
+    // here with ?status=Parked (Parked tile) and ?stuck=true (Stuck tile). The
+    // params must seed the filter BEFORE the first query so the initial grid load
+    // is already filtered, and the filter card controls must reflect the values.
+    // ─────────────────────────────────────────────────────────────────────────
+
+    [Fact]
+    public void NavigateWithStatusParkedParam_LoadsGridPreFilteredToParked()
+    {
+        // The Parked KPI tile emits ?status=Parked — set the URI before render.
+        var nav = (BunitNavigationManager)Services.GetRequiredService<NavigationManager>();
+        nav.NavigateTo("/site-calls/report?status=Parked");
+
+        var cut = Render<SiteCallsReportPage>();
+
+        cut.WaitForAssertion(() =>
+        {
+            // The first (and only) query the page issues carries the Parked
+            // status filter — the grid load is pre-filtered, not unfiltered.
+            Assert.Single(_queryRequests);
+            Assert.Equal("Parked", _queryRequests[0].StatusFilter);
+
+            // The Status <select> control reflects the seeded value so the
+            // operator sees the filter and can Clear it.
+            var statusSelect = cut.Find("#sc-status");
+            Assert.Equal("Parked", statusSelect.GetAttribute("value"));
+        });
+    }
+
+    [Fact]
+    public void NavigateWithStuckTrueParam_LoadsGridWithStuckFilterApplied()
+    {
+        // The Stuck KPI tile emits ?stuck=true.
+        var nav = (BunitNavigationManager)Services.GetRequiredService<NavigationManager>();
+        nav.NavigateTo("/site-calls/report?stuck=true");
+
+        var cut = Render<SiteCallsReportPage>();
+
+        cut.WaitForAssertion(() =>
+        {
+            // The first query carries StuckOnly = true.
+            Assert.Single(_queryRequests);
+            Assert.True(_queryRequests[0].StuckOnly);
+
+            // The "Stuck only" checkbox is checked.
+            var stuckCheckbox = cut.Find("#sc-stuck-only");
+            Assert.True(stuckCheckbox.HasAttribute("checked"));
+        });
+    }
+
+    [Fact]
+    public void NavigateWithNoQueryParams_LoadsGridUnfiltered()
+    {
+        // No drill-in params — the page loads exactly as before: an unfiltered
+        // query and no status/stuck filter set on the controls.
+        var cut = Render<SiteCallsReportPage>();
+
+        cut.WaitForAssertion(() =>
+        {
+            Assert.Single(_queryRequests);
+            Assert.Null(_queryRequests[0].StatusFilter);
+            Assert.False(_queryRequests[0].StuckOnly);
+
+            var statusSelect = cut.Find("#sc-status");
+            Assert.True(string.IsNullOrEmpty(statusSelect.GetAttribute("value")));
+            var stuckCheckbox = cut.Find("#sc-stuck-only");
+            Assert.False(stuckCheckbox.HasAttribute("checked"));
+        });
+    }
+
     protected override void Dispose(bool disposing)
     {
         if (disposing)