simple dev understanding

src/libs/Microsoft.AI.DevTeam/Actors/Developer/Developer.cs

@@ -65,8 +65,28 @@ public class Dev : SemanticPersona, IDevelopCode
         throw new NotImplementedException();
     }
 
-    public Task<string> BuildUnderstanding(string content)
+    public async Task<UnderstandingResult> BuildUnderstanding(string content)
     {
-        throw new NotImplementedException();
+        var explainFunction = _kernel.CreateSemanticFunction(Developer.Explain, new OpenAIRequestSettings { MaxTokens = 15000, Temperature = 0.8, TopP = 1 });
+        var consolidateFunction = _kernel.CreateSemanticFunction(Developer.ConsolidateUnderstanding, new OpenAIRequestSettings { MaxTokens = 15000, Temperature = 0.8, TopP = 1 });
+        var explainContext = new ContextVariables();
+        explainContext.Set("input", content);
+        var explainResult = await _kernel.RunAsync(explainContext, explainFunction);
+        var explainMesage = explainResult.ToString();
+
+        var consolidateContext = new ContextVariables();
+        consolidateContext.Set("input", _state.State.Understanding);
+        consolidateContext.Set("newUnderstanding", explainMesage);
+
+        var consolidateResult = await _kernel.RunAsync(consolidateContext, consolidateFunction);
+        var consolidateMessage = consolidateResult.ToString();
+        
+        _state.State.Understanding = consolidateMessage;
+        await _state.WriteStateAsync();
+
+        return new UnderstandingResult {
+            NewUnderstanding = consolidateMessage,
+            Explanation = explainMesage
+        };
     }
 }

src/libs/Microsoft.AI.DevTeam/Actors/Ingester/Ingester.cs

@@ -34,6 +34,7 @@ public class Ingester : SemanticPersona, IIngestRepo
             codeAnalysis.ToList().ForEach(async c =>
                 await _memory.SaveInformationAsync(MemorySegment, c.CodeBlock, Guid.NewGuid().ToString(), c.Meaning));
 
+            // TODO: do something with the result
             await dev.BuildUnderstanding(file.Content);
         }
     }

src/libs/Microsoft.AI.DevTeam/Actors/SemanticPersona.cs

@@ -41,9 +41,16 @@ public interface IChatHistory
 
 public interface IUnderstand
 {
-    Task<string> BuildUnderstanding(string content);
+    Task<UnderstandingResult> BuildUnderstanding(string content);
 }
 
+[GenerateSerializer]
+public class UnderstandingResult {
+    [Id(0)]
+    public string NewUnderstanding { get; set; }
+    [Id(1)]
+    public string Explanation { get; set; }
+}
 
 [Serializable]
 public class ChatHistoryItem