Add Scriptorium render diagnostics

internal/config/scriptorium_test.go

@@ -108,6 +108,30 @@ func TestScriptoriumLoadAndValidate(t *testing.T) {
         output_kind: session_recap
 `,
 		},
+		{
+			name: "artifact render_debug override is accepted",
+			scriptoriumYAML: `scriptorium:
+  binary: scriptorium
+  render_debug: false
+  artifacts:
+    session_recap:
+      enabled: true
+      render_debug: true
+      prompt_id: dnd.session_recap
+      output_path: artifacts/session_recap.md
+      inputs:
+        transcript:
+          source: processed_transcript
+          required: true
+`,
+			assert: func(t *testing.T, cfg *Config) {
+				t.Helper()
+				artifact := cfg.Pipeline.Scriptorium.Artifacts["session_recap"]
+				if artifact.RenderDebug == nil || *artifact.RenderDebug != true {
+					t.Fatalf("artifact render_debug = %#v, want true", artifact.RenderDebug)
+				}
+			},
+		},
 		{
 			name: "multiple artifact definitions can be decoded",
 			scriptoriumYAML: `scriptorium: