Add PromptKit smoke test adapter

integrations/ckprompt/adapters.go

@@ -63,8 +63,9 @@ type RequirementsRequest struct {
 }
 
 // Suite describes application-owned input, shared state, and optional catalog,
-// named inspection, requirements discovery, and concrete request validation
-// capabilities. Its private issues retain adapter construction failures.
+// named inspection, requirements discovery, concrete request validation, and
+// smoke testing capabilities. Its private issues retain adapter construction
+// failures.
 // Factory results and callback effects remain caller-owned: Command does not
 // deep-copy arbitrary objects or repair aliases returned by factories.
 // A reached operation prepares one input, applies its captured selectors, and
@@ -102,6 +103,11 @@ type Suite[I, S any] struct {
 	// capabilities. The acquisition carries diagnostics and an empty value on
 	// success; PromptKit errors are returned unchanged where supported.
 	ValidateRequest func(context.Context, ValidationRequest, I, S) (commandkit.Acquired[struct{}], error)
+	// SmokeTest runs one concrete native smoke-test operation after input and
+	// state preparation. It is optional; nil omits only the smoke-test command.
+	// The acquisition retains a native report even when the callback also
+	// returns an error.
+	SmokeTest func(context.Context, SmokeRequest, I, S) (commandkit.Acquired[*promptkit.SmokeTestReport], error)
 	// ListPrompts lists prompt identities after input and state preparation.
 	// It is optional independently of the other catalogs; nil omits only this
 	// catalog command.