<summary> Updates labels, enabled state, and hints for the selected provider. </summary>

On Linux, paths are already UTF-8. These are identity operations.

<summary> Validates a candidate cache file by attempting AES-CBC decrypt, zlib decompress, and checking for an MZ header in the result. </summary>

Watch SLSsteam config for changes; re-read AdditionalApps on modify.

WideToUtf8 - no-op stubs for Linux (no wchar_t paths)

WideToUtf8 - proper UTF-32 to UTF-8 conversion for Linux (wchar_t is 32-bit)

For Proton games, map Windows root tokens to paths inside the Proton prefix. Returns the path suffix to append to the compatdata prefix (e.g., "/pfx/d

<summary> Writes a default config.json that uses the folder provider with &lt;steamdir&gt;/localcloud as the sync path. </summary>

Atomic small-text write (.tmp + rename) into local storage.

Compatiblity with zlib API. See called functions for documentation */

File offset -> RVA, returns -1 if outside any section.

Find the section containing an RVA (using VirtualAddress + VirtualSize). Unlike rva_to_file_offset, succeeds for BSS regions with no file backing.

Find a zero-filled code cave at the tail of an executable PE section, or -1.

Locate recvPktGlobal: find `lea rcx, SendPkt`, then the nearby `mov [rip+disp], rcx` that stores the original function pointer. Backward scan first, f

Locate SendPkt via its alloca_probe setup and walk back to the prologue. -1 if absent.