[mstan]

Fixes a 2.2.10 startup crash for players whose install folder has a non-ASCII name, and moves the engine pin back to snesrecomp main.

The crash. A player's game aborted 123 ms after start, before the launcher opened. Their install folder was C:\Users\…\Desktop\Emuladores\Mega Man X Recompilé\. I reproduced it with 2.2.10 in an accented folder: std::filesystem threw Cannot convert character sequence: Illegal byte sequence while the mod runtime opened mods/preloaded, and the exception reached std::terminate. The C host passes paths in the ANSI code page, but std::filesystem and the launcher pickers treat them as UTF-8.

• Keep non-ASCII Windows install paths from aborting startup RetroPortingToolKit/snesrecomp#189 embeds a UTF-8 code-page manifest in the executable and stops exceptions at the mod runtime's C entry points.
• Make Windows launcher executables run with a UTF-8 code page RetroPortingToolKit/recomp-ui#109 applies the same manifest to launcher executables of other games.

The pin. Since the Boss Rush integration (39d84b9), MMX pinned snesrecomp fix/appimage-keybind-path, a branch carrying three fixes that were never PR'd: interpreter hook capacity, mod audio voices across rollback, and AppImage keybinds. RetroPortingToolKit/snesrecomp#188 upstreamed them, so MMX now pins main (7a67b85) and recomp-ui master (7c635c6). Main also brings 12 earlier engine commits, including generator changes, so the code was regenerated.

Version: 2.2.11.

Validated on Windows (MinGW):

• Regenerated from the ROM; the build is clean and CTest passes 22/22 (2 optional Saber tests skipped, as before).
• An 18,000-frame soak ran clean.
• The packaged build runs from Mega Man X Recompilé 2\: it boots, the mod runtime writes state.toml, and the launcher shows "ROM verified". The 2.2.10 build aborts in the same folder.
• The executable carries the UTF-8 manifest.

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