[Sunrisepeak]

Add ONNX Runtime 1.25.1 C/C++ APIs through mcpplibs.mwrap.onnxruntime, preserving Ort:: and C API names and SDK type identities. The independent official CPU SDK provider owns headers, shared runtime, ABI constraints and deployed LICENSE/ThirdPartyNotices.

• Root, .config and .macros interfaces expose the SDK surface; preprocessing uses the textual bridge. The default project template executes an embedded Identity model without user assets.
• Linux x86_64 glibc, Windows x86_64 MSVC ABI and macOS ARM64 are supported. GPU providers, musl and MinGW need separate SDKs. Linux selects a toolchain-coupled C++ runtime and tests typed exception behavior.
• English and Chinese READMEs follow the reviewed layout: one-sentence introduction, one navigation line, badges, core module imports before quickstart and More Modules API documentation.
• First mwrap package version equals upstream 1.25.1. The independent mwrap-1.25.1 tag avoids rewriting historical releases. Index PR #564 provides flat pkgs/mwrap/onnxruntime.lua and the official SDK provider; source and SDK CN mirrors are verified independently.

Validation at exact PR head 45073fc979c8091f9d94988ea973e634fa5728ff: all four native CI jobs pass, including actual template inference. Local cold SDK installation, complete wrapper tests, export audit and generated Identity inference pass. Two candidate-archive downloads match every tracked file. Official SDK archives for all three platforms were downloaded twice, include their notices and match publicly fetched GitCode mirror bytes.

Self-review: checked upstream/SDK version, exported original types, runtime/exception boundary, exact dependency identity, template rendering, bilingual links, source/archive bytes and unsupported-provider scope. No engine changes. Squash merge is followed by exact main-commit CI before tag/release; formal indexed-archive relocation and public-index installation remain ecosystem publication gates.