Implement manifest model and local store

internal/app/commands_test.go

@@ -2,14 +2,19 @@ package app
 
 import (
 	"bytes"
+	"context"
 	"os"
 	"path/filepath"
 	"strings"
 	"testing"
+	"time"
+
+	"gitea.maximumdirect.net/eric/narratio/internal/manifest"
 )
 
 func TestExecuteValidCommands(t *testing.T) {
 	pipelinePath, sessionPath := writeValidConfigFiles(t)
+	manifestPath := writeManifestPathForExecute(t)
 
 	cases := []struct {
 		name    string
@@ -18,7 +23,7 @@ func TestExecuteValidCommands(t *testing.T) {
 	}{
 		{name: "run", args: []string{"run", "--config", pipelinePath, "--session", sessionPath}, wantOut: "narratio run: configuration loaded and valid"},
 		{name: "plan", args: []string{"plan", "--config", pipelinePath, "--session", sessionPath}, wantOut: "narratio plan: configuration loaded and valid"},
-		{name: "status", args: []string{"status"}, wantOut: "narratio status: not yet implemented"},
+		{name: "status", args: []string{"status", "--manifest", manifestPath}, wantOut: "session_id: 2026-05-03"},
 		{name: "resume", args: []string{"resume"}, wantOut: "narratio resume: not yet implemented"},
 		{name: "run-stage", args: []string{"run-stage", "polish"}, wantOut: "narratio run-stage: not yet implemented"},
 	}
@@ -42,7 +47,7 @@ func TestExecuteValidCommands(t *testing.T) {
 	}
 }
 
-func TestExecuteMissingConfigFlags(t *testing.T) {
+func TestExecuteMissingRequiredFlags(t *testing.T) {
 	cases := []struct {
 		name string
 		args []string
@@ -50,6 +55,7 @@ func TestExecuteMissingConfigFlags(t *testing.T) {
 	}{
 		{name: "run missing flags", args: []string{"run"}, want: "run: --config and --session are required"},
 		{name: "plan missing flags", args: []string{"plan"}, want: "plan: --config and --session are required"},
+		{name: "status missing flags", args: []string{"status"}, want: "status: --manifest is required"},
 	}
 
 	for _, tc := range cases {
@@ -149,3 +155,18 @@ inputs:
 
 	return pipelinePath, sessionPath
 }
+
+func writeManifestPathForExecute(t *testing.T) string {
+	t.Helper()
+
+	store := &manifest.LocalStore{}
+	m := manifest.New("2026-05-03", time.Date(2026, 5, 3, 10, 0, 0, 0, time.UTC))
+	m.MarkStageSucceeded("prepare", time.Date(2026, 5, 3, 10, 1, 0, 0, time.UTC), nil)
+
+	path := filepath.Join(t.TempDir(), "manifest.json")
+	if err := store.Save(context.Background(), path, m); err != nil {
+		t.Fatalf("save manifest: %v", err)
+	}
+
+	return path
+}