Require manifest-backed local artifacts

internal/app/artifact_evidence_test.go

@@ -0,0 +1,31 @@
+package app
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"gitea.maximumdirect.net/eric/narratio/internal/artifacts"
+	"gitea.maximumdirect.net/eric/narratio/internal/manifest"
+)
+
+func setCurrentBuiltInEvidence(t *testing.T, m *manifest.Manifest, stage, kind, sourceID, path string) {
+	t.Helper()
+	checksum, err := artifacts.SHA256File(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	m.MarkStageSucceeded(stage, time.Date(2026, 5, 16, 1, 2, 3, 0, time.UTC), []manifest.ArtifactRecord{{
+		Kind: kind, SourceID: sourceID, LocalPath: path, ProducerRunID: stage + "-run", Checksum: checksum,
+	}})
+}
+
+func seedCurrentBuiltInEvidence(t *testing.T, manifestPath, sessionID, campaign, stage, kind, sourceID, path string) {
+	t.Helper()
+	m := manifest.New(sessionID, time.Now().UTC())
+	m.Campaign = campaign
+	setCurrentBuiltInEvidence(t, m, stage, kind, sourceID, path)
+	if err := (&manifest.LocalStore{}).Save(context.Background(), manifestPath, m); err != nil {
+		t.Fatal(err)
+	}
+}