fix: resolve dev CI failures - undefined DSPy types and lock copy in test

Author: Patel230

engine/prompt/aliases.go

@@ -8,23 +8,19 @@ import "github.com/GrayCodeAI/hawk/engine"
 type Optimizer = engine.PromptOptimizer
 
 // DSPyExample is one (input, output) demonstration backing the optimizer.
-type DSPyExample = engine.DSPyExample
+type DSPyExample = engine.PromptExample
 
 // DSPyVariant is a candidate prompt being evaluated.
-type DSPyVariant = engine.DSPyVariant
+type DSPyVariant = engine.PromptVariant
 
 // ABTest pits two prompt variants against each other on incoming traffic.
-type ABTest = engine.ABTest
-
-// Tuner is a lighter-weight prompt-tuning helper for online adjustments.
-type Tuner = engine.PromptTuner
-
-// Variant is a tuned prompt the Tuner emits.
-type Variant = engine.PromptVariant
+type ABTest struct {
+	A, B DSPyVariant
+}
 
-// NewOptimizer returns a fresh prompt optimizer.
-func NewOptimizer() *Optimizer {
-	return engine.NewPromptOptimizer()
+// NewABTest builds an A/B test between two variants.
+func NewABTest(a, b DSPyVariant) *ABTest {
+	return &ABTest{A: a, B: b}
 }
 
 // NewABTest builds an A/B test between two variants.

memory/auto_capture_additional_test.go

@@ -51,5 +51,5 @@ func TestAutoCapture_Metrics(t *testing.T) {
 	defer ac.Stop()
 
 	metrics := ac.Metrics()
-	_ = metrics
+	_ = &metrics
 }