Add XNN Pack toggle switch for ONNX inference acceleration (#155)

* Initial plan

* Add XNN Pack switch for ONNX inference acceleration

Co-authored-by: xkeyC <39891083+xkeyC@users.noreply.github.com>

* Refactor Rust ONNX session creation to reduce code duplication

Co-authored-by: xkeyC <39891083+xkeyC@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: xkeyC <39891083+xkeyC@users.noreply.github.com>

lib/common/rust/api/http_api.dart

@@ -40,7 +40,7 @@ Future<List<String>> dnsLookupIps({required String host}) =>
 /// # Arguments
 /// * `urls` - List of base URLs to test
 /// * `path_suffix` - Optional path suffix to append to each URL (e.g., "/api/version")
-///                   If None, tests the base URL directly
+///   If None, tests the base URL directly
 Future<String?> getFasterUrl({
   required List<String> urls,
   String? pathSuffix,

lib/common/rust/api/ort_api.dart

@@ -12,15 +12,18 @@ import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
 /// * `model_path` - 模型文件夹路径
 /// * `model_key` - 模型缓存键（用于标识模型，如 "zh-en"）
 /// * `quantization_suffix` - 量化后缀（如 "_q4", "_q8"，空字符串表示使用默认模型）
+/// * `use_xnnpack` - 是否使用 XNNPACK 加速
 ///
 Future<void> loadTranslationModel({
   required String modelPath,
   required String modelKey,
   required String quantizationSuffix,
+  required bool useXnnpack,
 }) => RustLib.instance.api.crateApiOrtApiLoadTranslationModel(
   modelPath: modelPath,
   modelKey: modelKey,
   quantizationSuffix: quantizationSuffix,
+  useXnnpack: useXnnpack,
 );
 
 /// 翻译文本

lib/common/rust/frb_generated.dart

@@ -116,6 +116,7 @@ abstract class RustLibApi extends BaseApi {
     required String modelPath,
     required String modelKey,
     required String quantizationSuffix,
+    required bool useXnnpack,
   });
 
   Future<void> crateApiAsarApiRsiLauncherAsarDataWriteMainJs({
@@ -421,6 +422,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
     required String modelPath,
     required String modelKey,
     required String quantizationSuffix,
+    required bool useXnnpack,
   }) {
     return handler.executeNormal(
       NormalTask(
@@ -428,11 +430,13 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
           var arg0 = cst_encode_String(modelPath);
           var arg1 = cst_encode_String(modelKey);
           var arg2 = cst_encode_String(quantizationSuffix);
+          var arg3 = cst_encode_bool(useXnnpack);
           return wire.wire__crate__api__ort_api__load_translation_model(
             port_,
             arg0,
             arg1,
             arg2,
+            arg3,
           );
         },
         codec: DcoCodec(
@@ -440,7 +444,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
           decodeErrorData: dco_decode_AnyhowException,
         ),
         constMeta: kCrateApiOrtApiLoadTranslationModelConstMeta,
-        argValues: [modelPath, modelKey, quantizationSuffix],
+        argValues: [modelPath, modelKey, quantizationSuffix, useXnnpack],
         apiImpl: this,
       ),
     );
@@ -449,7 +453,7 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   TaskConstMeta get kCrateApiOrtApiLoadTranslationModelConstMeta =>
       const TaskConstMeta(
         debugName: "load_translation_model",
-        argNames: ["modelPath", "modelKey", "quantizationSuffix"],
+        argNames: ["modelPath", "modelKey", "quantizationSuffix", "useXnnpack"],
       );
 
   @override

lib/common/rust/frb_generated.io.dart

@@ -880,12 +880,14 @@ class RustLibWire implements BaseWire {
     ffi.Pointer<wire_cst_list_prim_u_8_strict> model_path,
     ffi.Pointer<wire_cst_list_prim_u_8_strict> model_key,
     ffi.Pointer<wire_cst_list_prim_u_8_strict> quantization_suffix,
+    bool use_xnnpack,
   ) {
     return _wire__crate__api__ort_api__load_translation_model(
       port_,
       model_path,
       model_key,
       quantization_suffix,
+      use_xnnpack,
     );
   }
 
@@ -897,6 +899,7 @@ class RustLibWire implements BaseWire {
             ffi.Pointer<wire_cst_list_prim_u_8_strict>,
             ffi.Pointer<wire_cst_list_prim_u_8_strict>,
             ffi.Pointer<wire_cst_list_prim_u_8_strict>,
+            ffi.Bool,
           )
         >
       >(
@@ -910,6 +913,7 @@ class RustLibWire implements BaseWire {
               ffi.Pointer<wire_cst_list_prim_u_8_strict>,
               ffi.Pointer<wire_cst_list_prim_u_8_strict>,
               ffi.Pointer<wire_cst_list_prim_u_8_strict>,
+              bool,
             )
           >();