fix: install platform-specific oxc-parser native bindings for jco

- Add explicit installation of platform-specific oxc-parser bindings
- Map platform detection to correct npm package names:
  - linux_amd64 → @oxc-parser/binding-linux-x64-gnu
  - darwin_arm64 → @oxc-parser/binding-darwin-arm64
  - darwin_amd64 → @oxc-parser/binding-darwin-x64
  - windows_amd64 → @oxc-parser/binding-win32-x64-msvc
- Add npm rebuild step to ensure native modules work correctly
- Fixes 'Cannot find module ./parser.linux-x64-gnu.node' error
- Resolves jco componentize native binding issues across platforms

Author: avrabe

toolchains/jco_toolchain.bzl

@@ -177,15 +177,34 @@ def _setup_downloaded_jco_tools(repository_ctx, platform, jco_version, node_vers
         "NODE_PATH": "",  # Clear any existing NODE_PATH
     }
 
+    # Install platform-specific oxc-parser bindings first
+    platform_binding = ""
+    if platform == "linux_amd64":
+        platform_binding = "@oxc-parser/binding-linux-x64-gnu"
+    elif platform == "darwin_amd64":
+        platform_binding = "@oxc-parser/binding-darwin-x64"
+    elif platform == "darwin_arm64":
+        platform_binding = "@oxc-parser/binding-darwin-arm64"
+    elif platform == "windows_amd64":
+        platform_binding = "@oxc-parser/binding-win32-x64-msvc"
+    
+    install_packages = [
+        "@bytecodealliance/jco@{}".format(jco_version),
+        "@bytecodealliance/componentize-js",  # Required dependency
+    ]
+    
+    if platform_binding:
+        install_packages.append(platform_binding)
+        print("Installing platform-specific oxc-parser binding: {}".format(platform_binding))
+    
     npm_install_result = repository_ctx.execute(
         [
             npm_binary,
             "install",
             "--prefix",
             "jco_workspace",
-            "@bytecodealliance/jco@{}".format(jco_version),
-            "@bytecodealliance/componentize-js",  # Required dependency
-        ],
+            "--force",  # Force reinstall to ensure platform-specific bindings
+        ] + install_packages,
         environment = npm_env,
     )
 
@@ -197,6 +216,23 @@ def _setup_downloaded_jco_tools(repository_ctx, platform, jco_version, node_vers
         ))
 
     print("Successfully installed jco via hermetic npm")
+    
+    # Try to rebuild native modules to ensure platform compatibility
+    print("Rebuilding native modules for platform compatibility...")
+    rebuild_result = repository_ctx.execute(
+        [
+            npm_binary,
+            "rebuild",
+            "--prefix",
+            "jco_workspace",
+        ],
+        environment = npm_env,
+    )
+    
+    if rebuild_result.return_code != 0:
+        print("Warning: npm rebuild failed, but continuing: {}".format(rebuild_result.stderr))
+    else:
+        print("Successfully rebuilt native modules")
 
     # Create robust wrapper script for jco that always uses hermetic Node.js
     # Use npx with the jco package to ensure proper module resolution