Add transcript passthrough processing

internal/cli/run.go

@@ -8,10 +8,9 @@ import (
 	"strings"
 
 	"gitea.maximumdirect.net/eric/audita/internal/core/config"
+	coreio "gitea.maximumdirect.net/eric/audita/internal/core/io"
 )
 
-const processNotImplementedMessage = "process command is not implemented yet"
-
 type processInvocation struct {
 	TranscriptPath string
 	GlossaryPath   string
@@ -20,9 +19,29 @@ type processInvocation struct {
 	Config         config.Config
 }
 
-var processRunner = func(inv processInvocation) error {
-	_ = inv
-	return errors.New(processNotImplementedMessage)
+var processRunner = func(inv processInvocation, stdout io.Writer) error {
+	transcriptBytes, err := coreio.ReadRequiredFile(inv.TranscriptPath, "transcript")
+	if err != nil {
+		return err
+	}
+	if err := coreio.ValidateWellFormedJSON(transcriptBytes); err != nil {
+		return err
+	}
+	if _, err := coreio.ReadRequiredFile(inv.GlossaryPath, "glossary"); err != nil {
+		return err
+	}
+
+	if strings.TrimSpace(inv.OutputPath) != "" {
+		if err := coreio.WriteFile(inv.OutputPath, transcriptBytes); err != nil {
+			return err
+		}
+		return nil
+	}
+
+	if _, err := stdout.Write(transcriptBytes); err != nil {
+		return fmt.Errorf("failed to write transcript to stdout: %w", err)
+	}
+	return nil
 }
 
 // Run executes the Audita CLI with the provided arguments and streams.
@@ -162,7 +181,7 @@ func runProcess(args []string, stdout, stderr io.Writer) int {
 		Config:         cfg,
 	}
 
-	if err := processRunner(inv); err != nil {
+	if err := processRunner(inv, stdout); err != nil {
 		fmt.Fprintf(stderr, "audita process: %v\n", err)
 		return 1
 	}