CLI cleanup to consolidate session-related subcommands

internal/app/resume.go

@@ -5,6 +5,7 @@ import (
 	"flag"
 	"fmt"
 	"io"
+	"strings"
 
 	"gitea.maximumdirect.net/eric/narratio/internal/artifacts"
 	"gitea.maximumdirect.net/eric/narratio/internal/config"
@@ -13,6 +14,7 @@ import (
 
 // Resume continues execution from the first non-succeeded stage in the manifest.
 func Resume(ctx context.Context, args []string, out io.Writer) error {
+	positionalSessionID, args := pullLeadingSessionID(args)
 	fs := flag.NewFlagSet("resume", flag.ContinueOnError)
 	fs.SetOutput(io.Discard)
 
@@ -26,7 +28,6 @@ func Resume(ctx context.Context, args []string, out io.Writer) error {
 	fs.StringVar(&pipelinePath, "config", "", "path to pipeline.yml (optional; defaults searched)")
 	fs.StringVar(&campaignPath, "campaign", "", "path to campaign.yml (optional; defaults searched)")
 	fs.StringVar(&sessionPath, "session", "", "path to session.yml")
-	fs.StringVar(&sessionID, "session-id", "", "expected session identifier and remote session lookup value")
 	fs.StringVar(&previousSessionID, "previous-session-id", "", "expected previous session identifier")
 	fs.BoolVar(&force, "force", false, "force stage execution")
 	fs.Var(&selectedArtifacts, "artifacts", "configured artifact names to execute and publish (comma-separated or repeatable)")
@@ -34,8 +35,20 @@ func Resume(ctx context.Context, args []string, out io.Writer) error {
 	if err := fs.Parse(args); err != nil {
 		return fmt.Errorf("resume: invalid flags: %w", err)
 	}
-	if fs.NArg() != 0 {
-		return fmt.Errorf("resume: unexpected positional arguments")
+	if positionalSessionID == "" {
+		if err := applyParsedSessionIDArg("resume", fs, &sessionID); err != nil {
+			return err
+		}
+	} else {
+		if fs.NArg() != 0 {
+			return fmt.Errorf("resume: unexpected positional arguments")
+		}
+		if err := applyPositionalSessionID("resume", positionalSessionID, &sessionID); err != nil {
+			return err
+		}
+	}
+	if strings.TrimSpace(sessionID) == "" {
+		return fmt.Errorf("resume: session_id is required")
 	}
 	cfg, err := loadCommandConfig(ctx, pipelinePath, campaignPath, sessionPath, config.SessionLoadOptions{
 		SessionID:         sessionID,