feat: add portfolio

internal/archive/archive.go

@@ -50,6 +50,10 @@ func Save(cfg config.ArchiveConfig, run Run, now time.Time) (string, error) {
 	if err != nil {
 		return "", fmt.Errorf("archive: marshal recommendations: %w", err)
 	}
+	portfolioJSON, err := json.MarshalIndent(run.Report.Portfolio, "", "  ")
+	if err != nil {
+		return "", fmt.Errorf("archive: marshal portfolio snapshot: %w", err)
+	}
 
 	files := map[string][]byte{
 		"fetched.json":         fetchedJSON,
@@ -57,6 +61,8 @@ func Save(cfg config.ArchiveConfig, run Run, now time.Time) (string, error) {
 		"analysis_raw.md":      []byte(run.RawResponse),
 		"report.md":            []byte(run.Report.Text),
 		"recommendations.json": recsJSON,
+		"portfolio.json":       portfolioJSON,
+		"memory.md":            []byte(run.Report.Memory),
 	}
 	for name, data := range files {
 		if err := os.WriteFile(filepath.Join(dir, name), data, 0o644); err != nil {