docs: 将仓库代码注释统一为中文

frontend/src-tauri/src/runtime_compat.rs

@@ -1,7 +1,4 @@
-//! C23 compatibility for the MSVCRT-based Windows GNU development target.
-//! Recent libsodium archives reference memset_explicit, absent in MSVCRT.
-//! Volatile stores preserve its non-elidable wipe semantics; MSVC/UCRT release
-//! builds use their native runtime and do not compile this compatibility symbol.
+//! C23 与基于 MSVCRT 的 Windows GNU 开发目标的兼容性。最近的 libsodium 档案参考 memset_explicit，MSVCRT 中不存在。易失性存储保留其不可消除的擦除语义； MSVC/UCRT 发行版本使用其本机运行时，并且不编译此兼容性符号。
 
 #[cfg(all(windows, target_env = "gnu"))]
 #[no_mangle]
@@ -11,8 +8,7 @@ unsafe extern "C" fn memset_explicit(
     count: usize,
 ) -> *mut std::ffi::c_void {
     for offset in 0..count {
-        // SAFETY: the C ABI caller must supply a writable region of count bytes,
-        // exactly as for memset. Volatile stores cannot be removed as dead writes.
+        // SAFETY：C ABI 调用者必须提供 count 字节的可写区域，与 memset 完全相同。易失性存储无法作为死写删除。
         unsafe {
             destination
                 .cast::<u8>()
@@ -30,7 +26,7 @@ mod tests {
     fn explicit_memset_preserves_surrounding_bytes_and_return_pointer() {
         let mut data = [0x55u8; 34];
         let pointer = data[1..33].as_mut_ptr().cast();
-        // SAFETY: the subslice contains exactly 32 writable bytes.
+        // SAFETY: 子片恰好包含 32 个可写字节。
         assert_eq!(unsafe { super::memset_explicit(pointer, 0, 32) }, pointer);
         assert_eq!(data[0], 0x55);
         assert_eq!(data[33], 0x55);