单点维护 model3d 的 ts-rs 导出根目录

在 model3d/mod.rs 新增 model3d_ts_export_dir 宏，集中定义仓库相对导出根路径

common、image_to_model、multiview_to_model、text_to_model 改为调用宏并只声明各自子目录名

server-rs/crates/shared-contracts/src/model3d/common/mod.rs

@@ -1,7 +1,4 @@
-pub(crate) const MODEL3D_TS_EXPORT_DIR: &str = concat!(
-    env!("CARGO_MANIFEST_DIR"),
-    "/../../../packages/shared/src/contracts/model3d/common/"
-);
+pub(crate) const MODEL3D_TS_EXPORT_DIR: &str = crate::model3d::model3d_ts_export_dir!("common/");
 
 mod compression;
 mod export_orientation;

server-rs/crates/shared-contracts/src/model3d/image_to_model/mod.rs

@@ -1,7 +1,5 @@
-pub(crate) const MODEL3D_TS_EXPORT_DIR: &str = concat!(
-    env!("CARGO_MANIFEST_DIR"),
-    "/../../../packages/shared/src/contracts/model3d/image-to-model/"
-);
+pub(crate) const MODEL3D_TS_EXPORT_DIR: &str =
+    crate::model3d::model3d_ts_export_dir!("image-to-model/");
 
 mod request;
 

server-rs/crates/shared-contracts/src/model3d/mod.rs

@@ -1,5 +1,19 @@
 //! Provider-neutral 3D model generation contracts.
 
+/// 3D 模型契约的 ts-rs 生成根目录；各子目录只追加自己的目录名，
+/// 避免仓库相对路径在多处重复维护。
+macro_rules! model3d_ts_export_dir {
+    ($subdirectory:literal) => {
+        concat!(
+            env!("CARGO_MANIFEST_DIR"),
+            "/../../../packages/shared/src/contracts/model3d/",
+            $subdirectory
+        )
+    };
+}
+
+pub(crate) use model3d_ts_export_dir;
+
 pub mod common;
 pub mod image_to_model;
 pub mod multiview_to_model;

server-rs/crates/shared-contracts/src/model3d/multiview_to_model/mod.rs

@@ -1,7 +1,5 @@
-pub(crate) const MODEL3D_TS_EXPORT_DIR: &str = concat!(
-    env!("CARGO_MANIFEST_DIR"),
-    "/../../../packages/shared/src/contracts/model3d/multiview-to-model/"
-);
+pub(crate) const MODEL3D_TS_EXPORT_DIR: &str =
+    crate::model3d::model3d_ts_export_dir!("multiview-to-model/");
 
 mod request;
 

server-rs/crates/shared-contracts/src/model3d/text_to_model/mod.rs

@@ -1,7 +1,5 @@
-pub(crate) const MODEL3D_TS_EXPORT_DIR: &str = concat!(
-    env!("CARGO_MANIFEST_DIR"),
-    "/../../../packages/shared/src/contracts/model3d/text-to-model/"
-);
+pub(crate) const MODEL3D_TS_EXPORT_DIR: &str =
+    crate::model3d::model3d_ts_export_dir!("text-to-model/");
 
 mod request;
 mod response;