feat: complete structured CLI output

- unify human, plain, and JSON CLI output modes

- standardize diagnostics, lifecycle events, colors, quiet, and verbose handling

- preserve argument forwarding and improve CLI help and summaries

- document and release version 0.9.5

src/core/build/cache.rs

@@ -15,8 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-use crate::core::build::builder::BuildContext;
-use crate::core::build::common;
+use crate::core::build::{builder::BuildContext, common};
 use sha2::{Digest, Sha256};
 use std::fs;
 use std::path::{Path, PathBuf};