refactor: 重构 core 包目录结构并消除旧版 mod.rs

- 优化 剥离 models,algo 层并平铺业务模块
- 重构 统一使用现代 filename.rs + 文件夹结构替代旧版 mod.rs

ddddocr-core/src/lib.rs

@@ -1,13 +1,15 @@
-mod algo;
+pub mod det;
 pub mod error;
-pub mod models;
+pub mod ocr;
+mod slide;
 pub mod utils;
 
-pub use crate::algo::{SlideResult, Slider};
 use crate::error::Result;
-pub use crate::models::det::{DetBuilder, DetectionResult, Detector};
-pub use crate::models::ocr::{Ocr, OcrBuilder, OcrResult};
-pub use models::ocr::metadata::ModelMetadata;
+
+pub use crate::slide::{SlideResult, Slider};
+pub use crate::det::{DetBuilder, DetectionResult, Detector};
+pub use crate::ocr::{Ocr, OcrBuilder, OcrResult};
+pub use ocr::metadata::ModelMetadata;
 // DetSession
 
 pub enum OcrOutput {
@@ -33,5 +35,3 @@ pub trait OcrEngine: InferenceEngine<Output = OcrOutput> {
 }
 
 pub trait DetEngine: InferenceEngine<Output = DetOutput> {}
-
-