feat(sync): 接入解析缓存与汉化发布前置

补齐官方 release 解析缓存、TextUnit 明细索引、资源变更集、Crowdin handoff 预留、ResourceRepository 导入元数据和 localized release patch 前置链路。

同时开放文件级 patch.apply 与 UnityFS TextAsset/string/semantic field patch CLI/RPC 入口，并保留官方原版资源与汉化产物双目录发布状态。

验证：cargo test -p bat-assetbundle --locked；cargo clippy -p bat-assetbundle --all-targets --locked -- -D warnings；cargo test -p bat-infrastructure --locked。

crates/bat-assetbundle/src/lib.rs

@@ -9,14 +9,26 @@
 
 pub mod error;
 pub mod parser;
+pub mod patch;
 pub mod serialized;
+pub mod text;
 pub mod types;
 
 pub use error::{AssetBundleError, Result};
 pub use parser::{compression_from_flags, Parser, UnityFsParser};
+pub use patch::{
+    patch_unityfs_field, patch_unityfs_string_field, patch_unityfs_text_asset, FieldPatch,
+    StringFieldPatch, TextAssetPatch,
+};
 pub use serialized::{
-    UnitySerializedFile, UnitySerializedObject, UnitySerializedTextAsset, UnitySerializedType,
-    UnityTypeTreeNode,
+    UnityManagedReferenceMetadata, UnityManagedReferenceRecord, UnitySerializedField,
+    UnitySerializedFieldReplacement, UnitySerializedFile, UnitySerializedObject,
+    UnitySerializedReplacementValue, UnitySerializedTextAsset, UnitySerializedType,
+    UnitySerializedValue, UnityTypeTreeNode,
+};
+pub use text::{
+    text_units_to_jsonl, TextUnit, TextUnitExtractionError, TextUnitExtractionReport,
+    TextUnitExtractor,
 };
 pub use types::{
     AssetType, ParsedAssetBundle, RawAssetBundle, UnityFsBlockInfo, UnityFsBundle,