feat: add extraction schema, sidebar nav, few-shot prompting, and prompt settings

Overhaul extraction pipeline with new TradeItem model, conversation flow, and dedicated extraction endpoint. Add sidebar navigation with NavMenu component and landing page. Introduce few-shot prompting service and tests. Add prompt settings and email upload specs. Update OpenSpec tooling with improved export-spec and extract-feature commands. Archive completed changes and export full specs. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-06 23:39:23 +01:00
parent 7a5c22593a
commit 5b027eb0db
83 changed files with 4242 additions and 296 deletions
--- a/tests/ChatAgent.Api.Tests/FewShotServiceTests.cs
+++ b/tests/ChatAgent.Api.Tests/FewShotServiceTests.cs
@@ -0,0 +1,75 @@
+// FewShotServiceTests.cs -- Tests for the FewShotService that loads few-shot
+// examples from disk and assembles ChatHistory prefixes.
+
+using ChatAgent.Api.Services;
+using ChatAgent.Shared.Models;
+
+namespace ChatAgent.Api.Tests;
+
+public class FewShotServiceTests
+{
+    // Path to the examples folder from the test bin directory.
+    // WebApplicationFactory resolves content root to the API project,
+    // but for direct unit tests we resolve from the test assembly location.
+    private static string GetExamplesPath()
+    {
+        // Navigate from test bin/Debug/net9.0/ up to the repo root, then into examples/
+        var testDir = AppContext.BaseDirectory;
+        var repoRoot = Path.GetFullPath(Path.Combine(testDir, "..", "..", "..", "..", ".."));
+        return Path.Combine(repoRoot, "examples", "extraction");
+    }
+
+    [Fact]
+    public void Constructor_LoadsInstructionTemplateAndExamples()
+    {
+        var service = new FewShotService(GetExamplesPath());
+
+        // Should have: 1 system message + 3 examples × 2 messages each = 7 messages
+        Assert.Equal(7, service.PrefixMessageCount);
+    }
+
+    [Fact]
+    public void CloneWithEmail_AppendsEmailAsUserMessage()
+    {
+        var service = new FewShotService(GetExamplesPath());
+
+        var history = service.CloneWithEmail("<html><body>Test email</body></html>");
+
+        // Prefix (7) + 1 email user message = 8
+        Assert.Equal(8, history.Count);
+        // Last message should be the email
+        Assert.Equal("<html><body>Test email</body></html>", history.Last().Content);
+    }
+
+    [Fact]
+    public void CloneWithEmailAndMessages_AppendsEmailAndFollowUps()
+    {
+        var service = new FewShotService(GetExamplesPath());
+
+        var followUp = new List<ChatMessage>
+        {
+            new() { Role = "assistant", Content = "Which counterparty?" },
+            new() { Role = "user", Content = "Option 1" }
+        };
+
+        var history = service.CloneWithEmailAndMessages("<html>email</html>", followUp);
+
+        // Prefix (7) + 1 email + 2 follow-up = 10
+        Assert.Equal(10, history.Count);
+    }
+
+    [Fact]
+    public void CloneWithEmail_DoesNotMutatePrefix()
+    {
+        var service = new FewShotService(GetExamplesPath());
+
+        // Clone twice — second clone should not include the first email
+        var history1 = service.CloneWithEmail("email 1");
+        var history2 = service.CloneWithEmail("email 2");
+
+        Assert.Equal(8, history1.Count);
+        Assert.Equal(8, history2.Count);
+        Assert.Equal("email 1", history1.Last().Content);
+        Assert.Equal("email 2", history2.Last().Content);
+    }
+}