Add run manifest and logical output file contracts

internal/core/artifacts/artifacts.go

@@ -34,11 +34,18 @@ type RejectedArtifact struct {
 }
 
 type ArtifactLaneManifest struct {
-	ID         string   `json:"id"`
-	Extractor  string   `json:"extractor"`
-	Merger     string   `json:"merger"`
-	Normalizer string   `json:"normalizer"`
-	Validators []string `json:"validators,omitempty"`
+	ID         string         `json:"id"`
+	Extractor  string         `json:"extractor"`
+	Merger     string         `json:"merger"`
+	Normalizer string         `json:"normalizer"`
+	Validators []string       `json:"validators,omitempty"`
+	Metadata   map[string]any `json:"metadata,omitempty"`
+}
+
+type LLMProfileManifest struct {
+	ID       string `json:"id"`
+	Provider string `json:"provider,omitempty"`
+	Model    string `json:"model,omitempty"`
 }
 
 type RunManifest struct {
@@ -53,6 +60,7 @@ type RunManifest struct {
 	Normalizer       string                 `json:"normalizer,omitempty"`
 	OutputEncoder    string                 `json:"output_encoder,omitempty"`
 	ArtifactLanes    []ArtifactLaneManifest `json:"artifact_lanes,omitempty"`
+	LLMProfiles      []LLMProfileManifest   `json:"llm_profiles,omitempty"`
 	SchemaVersion    string                 `json:"schema_version,omitempty"`
 	ValidationStatus string                 `json:"validation_status,omitempty"`
 	StartedAt        *time.Time             `json:"started_at,omitempty"`

internal/core/artifacts/artifacts_test.go

@@ -127,6 +127,9 @@ func TestRunManifestIncludesPipelineAndArtifactLaneFields(t *testing.T) {
 	manifest := RunManifest{
 		PipelineID:     "pipeline-1",
 		PipelineDigest: "sha256:abc123",
+		LLMProfiles: []LLMProfileManifest{
+			{ID: "default", Provider: "openai-compatible", Model: "model-a"},
+		},
 		ArtifactLanes: []ArtifactLaneManifest{
 			{
 				ID:         "events",
@@ -134,6 +137,9 @@ func TestRunManifestIncludesPipelineAndArtifactLaneFields(t *testing.T) {
 				Merger:     "appendorder",
 				Normalizer: "noop",
 				Validators: []string{"grounded"},
+				Metadata: map[string]any{
+					"extractor": map[string]any{"prompt_id": "test.prompt"},
+				},
 			},
 		},
 	}
@@ -148,7 +154,20 @@ func TestRunManifestIncludesPipelineAndArtifactLaneFields(t *testing.T) {
 		t.Fatalf("json.Unmarshal() error = %v", err)
 	}
 
-	assertHasKeys(t, got, "pipeline_id", "pipeline_digest", "artifact_lanes")
+	assertHasKeys(t, got, "pipeline_id", "pipeline_digest", "artifact_lanes", "llm_profiles")
+
+	profiles, ok := got["llm_profiles"].([]any)
+	if !ok {
+		t.Fatalf("llm_profiles = %#v, want array", got["llm_profiles"])
+	}
+	if len(profiles) != 1 {
+		t.Fatalf("len(llm_profiles) = %d, want 1", len(profiles))
+	}
+	profile, ok := profiles[0].(map[string]any)
+	if !ok {
+		t.Fatalf("llm_profiles[0] = %#v, want object", profiles[0])
+	}
+	assertHasKeys(t, profile, "id", "provider", "model")
 
 	lanes, ok := got["artifact_lanes"].([]any)
 	if !ok {
@@ -161,7 +180,7 @@ func TestRunManifestIncludesPipelineAndArtifactLaneFields(t *testing.T) {
 	if !ok {
 		t.Fatalf("artifact_lanes[0] = %#v, want object", lanes[0])
 	}
-	assertHasKeys(t, lane, "id", "extractor", "merger", "normalizer", "validators")
+	assertHasKeys(t, lane, "id", "extractor", "merger", "normalizer", "validators", "metadata")
 }
 
 func assertHasKeys(t *testing.T, values map[string]any, keys ...string) {