feat: complete legacy parity and modernize operator UI

tests/MBN_STOCK_WEBVIEW.LegacyWeb.Tests/LegacyGraphClickParityWebTests.cs

@@ -4,12 +4,17 @@ namespace MBN_STOCK_WEBVIEW.LegacyWeb.Tests;
 
 public sealed class LegacyGraphClickParityWebTests
 {
+    private static readonly string RepositoryRoot = FindRepositoryRoot();
     private static readonly string App = File.ReadAllText(Path.Combine(
-        FindRepositoryRoot(),
+        RepositoryRoot,
         "src",
         "MBN_STOCK_WEBVIEW.LegacyParityApp",
         "Web",
         "app.js"));
+    private static readonly string PackageInputHarness = File.ReadAllText(Path.Combine(
+        RepositoryRoot,
+        "scripts",
+        "Test-LegacyPackageInput.mjs"));
 
     [Fact]
     public void Uc3_targets_select_on_single_click_and_fill_slots_only_on_double_click()
@@ -52,7 +57,12 @@ public sealed class LegacyGraphClickParityWebTests
         }
 
         Assert.Contains("comparisonTargetClickTimer", singleClick, StringComparison.Ordinal);
-        Assert.Contains("}, 250);", singleClick, StringComparison.Ordinal);
+        Assert.Contains("beginComparisonTargetPendingSelection", singleClick,
+            StringComparison.Ordinal);
+        Assert.Contains("deferLegacySingleClick(function () {", singleClick,
+            StringComparison.Ordinal);
+        Assert.Contains("clearComparisonTargetPendingSelection(true)", singleClick,
+            StringComparison.Ordinal);
     }
 
     [Fact]
@@ -65,7 +75,7 @@ public sealed class LegacyGraphClickParityWebTests
 
         Assert.Matches(
             new Regex(
-                "addEventListener\\(\"click\"[\\s\\S]*?setTimeout[\\s\\S]*?send\\(\"select-manual-vi-result\"",
+                "addEventListener\\(\"click\"[\\s\\S]*?beginManualViResultPendingSelection[\\s\\S]*?deferLegacySingleClick[\\s\\S]*?send\\(\"select-manual-vi-result\"",
                 RegexOptions.CultureInvariant),
             manual);
         Assert.Matches(
@@ -75,6 +85,79 @@ public sealed class LegacyGraphClickParityWebTests
             manual);
     }
 
+    [Fact]
+    public void GraphE_stock_candidate_single_click_focuses_and_double_click_selects_once()
+    {
+        var doubleStart = App.IndexOf(
+            "manualWorkspace.addEventListener(\"dblclick\"",
+            StringComparison.Ordinal);
+        var clickStart = App.IndexOf(
+            "manualWorkspace.addEventListener(\"click\"",
+            doubleStart + 1,
+            StringComparison.Ordinal);
+        var keyStart = App.IndexOf(
+            "manualWorkspace.addEventListener(\"keydown\"",
+            clickStart + 1,
+            StringComparison.Ordinal);
+        Assert.True(doubleStart >= 0 && clickStart > doubleStart && keyStart > clickStart);
+        var doubleClick = App[doubleStart..clickStart];
+        var singleClick = App[clickStart..keyStart];
+
+        Assert.Contains("button[data-manual-stock-result-id]", doubleClick,
+            StringComparison.Ordinal);
+        Assert.Contains("selectManualFinancialStock(stock)", doubleClick,
+            StringComparison.Ordinal);
+        Assert.DoesNotContain("focusManualFinancialStock(stock)", doubleClick,
+            StringComparison.Ordinal);
+        Assert.Contains("focusManualFinancialStock(stock)", singleClick,
+            StringComparison.Ordinal);
+        Assert.DoesNotContain("queueManualFinancialStockSelection", App,
+            StringComparison.Ordinal);
+
+        var helperStart = App.IndexOf(
+            "function focusManualFinancialStock",
+            StringComparison.Ordinal);
+        var helperEnd = App.IndexOf(
+            "function captureManualDraftForChangedModel",
+            helperStart,
+            StringComparison.Ordinal);
+        Assert.True(helperStart >= 0 && helperEnd > helperStart);
+        var helper = App[helperStart..helperEnd];
+        Assert.DoesNotContain("deferLegacySingleClick", helper, StringComparison.Ordinal);
+        Assert.Contains("stock.focus({ preventScroll: true })", helper,
+            StringComparison.Ordinal);
+        Assert.Single(
+            Regex.Matches(helper, "send\\(\"select-manual-financial-stock\"")
+                .Cast<Match>());
+
+        var keyDown = App[keyStart..];
+        Assert.Contains("selectManualFinancialStock(stock)", keyDown,
+            StringComparison.Ordinal);
+        Assert.Contains("event.preventDefault();", keyDown, StringComparison.Ordinal);
+    }
+
+    [Fact]
+    public void Packaged_input_harness_double_clicks_GraphE_candidate_and_proves_one_intent()
+    {
+        Assert.Contains("beforeCandidateMessageSequence", PackageInputHarness,
+            StringComparison.Ordinal);
+        Assert.Contains("await pointerDoubleClick(", PackageInputHarness,
+            StringComparison.Ordinal);
+        Assert.Contains("select verified stock by slow Windows double-click", PackageInputHarness,
+            StringComparison.Ordinal);
+        Assert.Contains("message.sequence > beforeCandidateMessageSequence", PackageInputHarness,
+            StringComparison.Ordinal);
+        Assert.Contains("candidateMessages.length !== 1", PackageInputHarness,
+            StringComparison.Ordinal);
+        Assert.Contains("candidateMessages[0].type !== \"select-manual-financial-stock\"",
+            PackageInputHarness,
+            StringComparison.Ordinal);
+        Assert.Contains("await sleep(350);", PackageInputHarness, StringComparison.Ordinal);
+        Assert.Contains("SHOULD_CLEAR_ON_STOCK_CHANGE", PackageInputHarness,
+            StringComparison.Ordinal);
+        Assert.Contains("focusedCandidateId", PackageInputHarness, StringComparison.Ordinal);
+    }
+
     private static string FindRepositoryRoot()
     {
         var directory = new DirectoryInfo(AppContext.BaseDirectory);