refactor: rename sprite.rs to render.rs, make install() consistently safe

Rename replacements/sprite.rs to render.rs to better reflect its scope
(RenderQueue enqueue, trail drawing, crosshair). Wrap unsafe hook calls
internally so all install() functions share a consistent safe signature.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Cargo.lock

@@ -67,15 +67,6 @@ dependencies = [
 name = "openwa-types"
 version = "0.1.0"
 
-[[package]]
-name = "openwa-validator"
-version = "0.1.0"
-dependencies = [
- "minhook",
- "openwa-types",
- "windows-sys",
-]
-
 [[package]]
 name = "openwa-wormkit"
 version = "0.1.0"

crates/openwa-wormkit/src/replacements/mod.rs

@@ -1,7 +1,7 @@
 mod config;
 mod frontend;
 mod scheme;
-mod sprite;
+mod render;
 mod team;
 mod weapon;
 
@@ -11,6 +11,6 @@ pub fn install_all() -> Result<(), String> {
     config::install()?;
     weapon::install()?;
     team::install()?;
-    unsafe { sprite::install()? };
+    render::install()?;
     Ok(())
 }

crates/openwa-wormkit/src/replacements/{sprite.rs → render.rs}

@@ -601,7 +601,8 @@ unsafe extern "cdecl" fn draw_crosshair_line_impl(task_ptr: u32) {
 // Installation
 // ---------------------------------------------------------------------------
 
-pub unsafe fn install() -> Result<(), String> {
+pub fn install() -> Result<(), String> {
+    unsafe {
     let _ = hook::install(
         "DrawPixel",
         va::DRAW_PIXEL,
@@ -674,5 +675,6 @@ pub unsafe fn install() -> Result<(), String> {
         trampoline_draw_crosshair_line as *const (),
     )?;
 
+    }
     Ok(())
 }