Finish profile comparison follow-up fixes

internal/app/generation_test.go

@@ -35,18 +35,19 @@ func (c *generationCollector) Run(context.Context, collect.Request) (*collect.Re
 }
 
 type generationExecutor struct {
-	called             bool
-	executeCalls       int
-	promptInspections  int
-	profileInspections int
-	inspectErr         error
-	executeErr         error
-	executeErrors      map[string]error
-	beforeExecute      func(promptexec.ExecuteRequest)
-	cancelBeforeReturn context.CancelFunc
-	validation         promptexec.ValidationStatus
-	rawOutput          []byte
-	failedPrompt       string
+	called               bool
+	executeCalls         int
+	promptInspections    int
+	profileInspections   int
+	inspectErr           error
+	profileInspectErrors map[string]error
+	executeErr           error
+	executeErrors        map[string]error
+	beforeExecute        func(promptexec.ExecuteRequest)
+	cancelBeforeReturn   context.CancelFunc
+	validation           promptexec.ValidationStatus
+	rawOutput            []byte
+	failedPrompt         string
 }
 
 var generationExecutorMu sync.Mutex
@@ -65,6 +66,9 @@ func (e *generationExecutor) InspectProfile(_ context.Context, id string) (promp
 	generationExecutorMu.Lock()
 	defer generationExecutorMu.Unlock()
 	e.profileInspections++
+	if err := e.profileInspectErrors[id]; err != nil {
+		return promptexec.ProfileInspection{}, err
+	}
 	return promptexec.ProfileInspection{ProfileID: id, BackendID: "fixture", ModelName: "fixture-model"}, nil
 }
 func (e *generationExecutor) Execute(_ context.Context, req promptexec.ExecuteRequest, callback promptexec.PreparationCallback) (*promptexec.Execution, error) {