Carry optional prompt labels through results

internal/domain/domain.go

@@ -80,7 +80,7 @@ type RunResult struct {
 	RawOutput            string
 	Validation           ValidationResult
 	PromptID             string
-	PromptVersion        string
+	PromptVersion        *string
 	PromptHash           string
 	SessionID            string
 	RenderedPromptHash   string
@@ -100,7 +100,7 @@ type RunResult struct {
 // It must never include resolved API key values, model output, or validation data.
 type PreparedRun struct {
 	PromptID             string
-	PromptVersion        string
+	PromptVersion        *string
 	PromptHash           string
 	SelectedProfileID    string
 	SelectedBackendID    string
@@ -137,13 +137,13 @@ type Artifact struct {
 // PromptIdentity identifies one configured prompt and its descriptive version label.
 type PromptIdentity struct {
 	ID      string
-	Version string
+	Version *string
 }
 
 // PromptDefinition represents a configured prompt execution definition.
 type PromptDefinition struct {
 	ID             string                  `yaml:"id"`
-	Version        string                  `yaml:"version"`
+	Version        *string                 `yaml:"version"`
 	DefaultProfile string                  `yaml:"default_profile"`
 	Description    string                  `yaml:"description"`
 	SessionID      string                  `yaml:"session_id" json:"session_id,omitempty"`
@@ -156,7 +156,7 @@ type PromptDefinition struct {
 // PromptInspection is the resolved result of exact prompt inspection.
 type PromptInspection struct {
 	PromptID         string
-	PromptVersion    string
+	PromptVersion    *string
 	PromptHash       string
 	DefaultProfileID string
 	Inputs           []PromptInput

internal/domain/observation.go

@@ -68,7 +68,7 @@ type ExecutionEvent struct {
 	RunID              string
 	Time               time.Time
 	PromptID           string
-	PromptVersion      string
+	PromptVersion      *string
 	ProfileID          string
 	BackendID          string
 	Model              string

internal/domain/requirements.go

@@ -49,7 +49,7 @@ type RequirementIssue struct {
 // RequirementInspection contains the inventories discovered for one prompt.
 type RequirementInspection struct {
 	PromptID      string
-	PromptVersion string
+	PromptVersion *string
 	ProfileID     string
 	Inputs        []InputRequirement
 	Variables     []VariableRequirement

internal/domain/smoke_diagnostics.go

@@ -65,7 +65,7 @@ type SmokeTestTarget struct {
 	BackendID              string
 	ProfileID              string
 	PromptID               string
-	PromptVersion          string
+	PromptVersion          *string
 	DefaultSourceBackendID string
 	SelectionSource        string
 	Endpoint               string
@@ -180,6 +180,7 @@ func CloneSmokeTestRequest(request SmokeTestRequest) (SmokeTestRequest, error) {
 func CloneSmokeTestReport(report SmokeTestReport) (SmokeTestReport, error) {
 	cloned := report
 	cloned.Applicable = cloneBool(report.Applicable)
+	cloned.Target.PromptVersion = cloneString(report.Target.PromptVersion)
 	cloned.Facts = cloneSmokeTestFacts(report.Facts)
 	cloned.Timing = cloneSmokeTestTiming(report.Timing)
 	var err error

internal/domain/smoke_diagnostics_test.go

@@ -77,11 +77,15 @@ func TestCloneSmokeTestReportOwnsMutableValues(t *testing.T) {
 	reachable := true
 	status := 200
 	wait := 3 * time.Millisecond
+	promptVersion := "v1"
 	report := SmokeTestReport{
 		Applicable: &applicable,
-		Target: SmokeTestTarget{EffectiveSettings: ExecutionTarget{
-			ExtraParams: map[string]any{"nested": map[string]any{"value": "original"}},
-		}},
+		Target: SmokeTestTarget{
+			PromptVersion: &promptVersion,
+			EffectiveSettings: ExecutionTarget{
+				ExtraParams: map[string]any{"nested": map[string]any{"value": "original"}},
+			},
+		},
 		Facts: SmokeTestFacts{EndpointReachable: &reachable},
 		Attempts: []SmokeTestAttempt{{
 			HTTPStatus: &status,
@@ -99,9 +103,10 @@ func TestCloneSmokeTestReportOwnsMutableValues(t *testing.T) {
 	*cloned.Attempts[0].HTTPStatus = 503
 	*cloned.Attempts[0].Facts.EndpointReachable = false
 	*cloned.Attempts[0].Timing.CapacityWait = time.Second
+	*cloned.Target.PromptVersion = "changed"
 	cloned.Target.EffectiveSettings.ExtraParams["nested"].(map[string]any)["value"] = "changed"
 
-	if !applicable || !reachable || status != 200 || wait != 3*time.Millisecond {
+	if !applicable || !reachable || status != 200 || wait != 3*time.Millisecond || promptVersion != "v1" {
 		t.Fatal("cloned report shared optional scalar pointers")
 	}
 	if got := report.Target.EffectiveSettings.ExtraParams["nested"].(map[string]any)["value"]; got != "original" {