ci: verify native OCR on current macOS before packaging

.github/workflows/release.yml

@@ -16,7 +16,42 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  ocr-current-macos:
+    # xcode-27 currently runs macOS 27 on Apple Silicon. Keep packaging on the
+    # existing runner, but exercise the real OCR pipeline on the newer OS too.
+    runs-on: xcode-27
+    timeout-minutes: 15
+    permissions:
+      contents: read
+    steps:
+      - name: Check out source
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+
+      - name: Install Rust stable
+        uses: dtolnay/rust-toolchain@4be7066ada62dd38de10e7b70166bc74ed198c30 # stable
+
+      - name: Cache current macOS OCR dependencies
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            src-tauri/target
+          key: macos-27-ocr-${{ hashFiles('src-tauri/Cargo.lock') }}
+          restore-keys: |
+            macos-27-ocr-
+
+      - name: Record native OCR runtime
+        run: |
+          sw_vers
+          uname -m
+          swift --version
+
+      - name: Exercise native OCR on current macOS
+        run: cargo test --manifest-path src-tauri/Cargo.toml ocr:: -- --nocapture
+
   verify:
+    needs: ocr-current-macos
     runs-on: macos-14
     permissions:
       contents: read

src-tauri/src/ocr/image.rs

@@ -4,8 +4,8 @@
 
 use objc2_core_foundation::{CFData, CFRetained, CGPoint, CGRect, CGSize};
 use objc2_core_graphics::{
-    kCGColorSpaceSRGB, CGBitmapContextCreate, CGBitmapContextCreateImage, CGBitmapInfo,
-    CGColorSpace, CGContext, CGImage, CGImageAlphaInfo,
+    kCGColorSpaceSRGB, CGBitmapContextCreate, CGBitmapContextCreateImage,
+    CGColorSpace, CGContext, CGImage, CGImageAlphaInfo, CGImageByteOrderInfo,
 };
 use objc2_image_io::CGImageSource;
 
@@ -39,7 +39,7 @@ pub(super) fn prepare_png(bytes: &[u8]) -> Result<CFRetained<CGImage>, String> {
     // 8-bit sRGB、32-bit RGBX，并用白色背景消除透明通道的歧义。
     let color_space = CGColorSpace::with_name(Some(unsafe { kCGColorSpaceSRGB }))
         .ok_or_else(|| "创建 OCR 色彩空间失败".to_string())?;
-    let bitmap_info = CGImageAlphaInfo::NoneSkipLast.0 | CGBitmapInfo::ByteOrder32Big.bits();
+    let bitmap_info = CGImageAlphaInfo::NoneSkipLast.0 | CGImageByteOrderInfo::Order32Big.0;
     // SAFETY: null 让 CoreGraphics 自行管理内存；尺寸已检查且每像素 4 字节。
     let context = unsafe {
         CGBitmapContextCreate(