Updated transcript artifact names and canonical paths to use a consistent, role-based nomenclature

internal/config/scriptorium_test.go

@@ -198,7 +198,7 @@ func TestScriptoriumLoadAndValidate(t *testing.T) {
       output_path: artifacts/session_recap.md
       inputs:
         transcript:
-          source: narratio.transcript.trimmed
+          source: narratio.transcript.final_trimmed
           required: true
 `,
 		},
@@ -287,7 +287,7 @@ func TestScriptoriumLoadAndValidate(t *testing.T) {
       output_path: artifacts/session_recap.md
       inputs:
         transcript:
-          source: narratio.transcript.trimmed
+          source: narratio.transcript.final_trimmed
           required: true
     player_handout:
       enabled: true
@@ -507,6 +507,42 @@ func TestScriptoriumLoadAndValidate(t *testing.T) {
 	}
 }
 
+func TestScriptoriumLegacyTranscriptSourcesRejected(t *testing.T) {
+	legacyTranscriptSources := []string{
+		"narratio.transcript." + "merged",
+		"narratio.transcript." + "full",
+		"narratio.transcript." + "trimmed",
+	}
+
+	for _, source := range legacyTranscriptSources {
+		t.Run(source, func(t *testing.T) {
+			pipelineYAML := testPipelineBaseYAML + `
+scriptorium:
+  binary: scriptorium
+  artifacts:
+    session_recap:
+      enabled: true
+      prompt_id: dnd.session_recap
+      output_path: artifacts/session_recap.md
+      inputs:
+        transcript:
+          source: ` + source + `
+          required: true
+`
+			pipelinePath, sessionPath := writeConfigFiles(t, pipelineYAML, testSessionBaseYAML)
+			cfg, err := Load(pipelinePath, sessionPath)
+			if err != nil {
+				t.Fatalf("Load() error = %v", err)
+			}
+			err = Validate(cfg)
+			wantErr := `pipeline.scriptorium.artifacts.session_recap.inputs.transcript.source "` + source + `" is unsupported`
+			if err == nil || !strings.Contains(err.Error(), wantErr) {
+				t.Fatalf("Validate() error = %v, want to contain %q", err, wantErr)
+			}
+		})
+	}
+}
+
 const testPipelineBaseYAML = `workspace:
   root: /tmp/narratio
 whisperx: