feat: implementation of M1

crates/bds-core/src/engine/mod.rs

@@ -1 +1,16 @@
-// Engine modules — stubs for M0, implemented in M1.
+pub mod error;
+pub mod context;
+pub mod project;
+pub mod meta;
+pub mod tag;
+pub mod post;
+pub mod media;
+pub mod post_media;
+pub mod template_rebuild;
+pub mod script_rebuild;
+pub mod task;
+pub mod metadata_diff;
+pub mod rebuild;
+
+pub use error::{EngineError, EngineResult};
+pub use context::EngineContext;