perf(site-call-audit): filtered IX_SiteCalls_NonTerminal index — KPI predicates seek the live queue instead of scanning 365 days

src/ZB.MOM.WW.ScadaBridge.ConfigurationDatabase/Migrations/20260709110614_AddSiteCallsNonTerminalIndex.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ZB.MOM.WW.ScadaBridge.ConfigurationDatabase.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddSiteCallsNonTerminalIndex : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_SiteCalls_NonTerminal",
+                table: "SiteCalls",
+                column: "CreatedAtUtc",
+                filter: "[TerminalAtUtc] IS NULL")
+                .Annotation("SqlServer:Include", new[] { "SourceSite", "SourceNode", "Status" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_SiteCalls_NonTerminal",
+                table: "SiteCalls");
+        }
+    }
+}

src/ZB.MOM.WW.ScadaBridge.ConfigurationDatabase/Migrations/ScadaBridgeDbContextModelSnapshot.cs

@@ -161,6 +161,12 @@ namespace ZB.MOM.WW.ScadaBridge.ConfigurationDatabase.Migrations
 
                     b.HasKey("TrackedOperationId");
 
+                    b.HasIndex("CreatedAtUtc")
+                        .HasDatabaseName("IX_SiteCalls_NonTerminal")
+                        .HasFilter("[TerminalAtUtc] IS NULL");
+
+                    SqlServerIndexBuilderExtensions.IncludeProperties(b.HasIndex("CreatedAtUtc"), new[] { "SourceSite", "SourceNode", "Status" });
+
                     b.HasIndex("SourceSite", "CreatedAtUtc")
                         .IsDescending(false, true)
                         .HasDatabaseName("IX_SiteCalls_Source_Created");