feat: vaults, scopes and files show their details: a vault's settings, who has a scope, a file's keys and git status

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

internal/ui/app/app_test.go

@@ -1236,3 +1236,22 @@ func TestStatusPane(t *testing.T) {
 		t.Errorf("back to %v", d.m.focus)
 	}
 }
+
+// detailed is an account whose vaults have details.
+type detailed struct{ provider.Provider }
+
+func (detailed) Details(_ context.Context, c provider.Container) ([]provider.Attr, error) {
+	return []provider.Attr{{Label: "access", Value: "Azure roles (RBAC)"}, {Label: "git", Value: "tracked", Warn: true}}, nil
+}
+
+func TestContainerDetails(t *testing.T) {
+	t.Parallel()
+	d := newDriverOpts(t, Options{}, detailed{fake.Azure(0)})
+	d.keys("2")
+	if scr := d.screen(); !strings.Contains(scr, "access     Azure roles (RBAC)") || !strings.Contains(scr, "URI") {
+		t.Errorf("details:\n%s", scr)
+	}
+	if st := d.m.details[d.m.containers.SelectedID()]; st.loading || len(st.attrs) != 2 {
+		t.Errorf("state %+v", st)
+	}
+}