Add render artifact model, config, and Seriatim adapter contracts

internal/artifactmodel/transcripts_test.go

@@ -0,0 +1,60 @@
+package artifactmodel
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestRuntimeTranscriptArtifactsIncludesMarkdownOutputs(t *testing.T) {
+	want := []TranscriptArtifactSpec{
+		{
+			SourceID:         SourceTranscriptBase,
+			CanonicalRelPath: TranscriptPathBase,
+			ProducerStage:    "merge",
+			OutputKind:       TranscriptOutputKindBase,
+		},
+		{
+			SourceID:         SourceTranscriptPolished,
+			CanonicalRelPath: TranscriptPathPolished,
+			ProducerStage:    "polish",
+			OutputKind:       TranscriptOutputKindPolished,
+		},
+		{
+			SourceID:         SourceTranscriptFinal,
+			CanonicalRelPath: TranscriptPathFinal,
+			ProducerStage:    "normalize",
+			OutputKind:       TranscriptOutputKindFinal,
+		},
+		{
+			SourceID:         SourceTranscriptFinalTrimmed,
+			CanonicalRelPath: TranscriptPathFinalTrimmed,
+			ProducerStage:    "trim",
+			OutputKind:       TranscriptOutputKindFinalTrimmed,
+		},
+		{
+			SourceID:         SourceTranscriptFinalMarkdown,
+			CanonicalRelPath: TranscriptPathFinalMarkdown,
+			ProducerStage:    "render",
+			OutputKind:       TranscriptOutputKindFinalMarkdown,
+		},
+		{
+			SourceID:         SourceTranscriptFinalTrimmedMarkdown,
+			CanonicalRelPath: TranscriptPathFinalTrimmedMarkdown,
+			ProducerStage:    "render",
+			OutputKind:       TranscriptOutputKindFinalTrimmedMarkdown,
+		},
+	}
+
+	got := RuntimeTranscriptArtifacts()
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("RuntimeTranscriptArtifacts() = %#v, want %#v", got, want)
+	}
+}
+
+func TestLookupRuntimeTranscriptArtifactFindsMarkdownOutputs(t *testing.T) {
+	for _, source := range []string{SourceTranscriptFinalMarkdown, SourceTranscriptFinalTrimmedMarkdown} {
+		if _, ok := LookupRuntimeTranscriptArtifact(source); !ok {
+			t.Fatalf("LookupRuntimeTranscriptArtifact(%q) ok=false, want true", source)
+		}
+	}
+}