feat(player): add ASR/YOLO overlays, zoom, and text rendering

- Add TTF text rendering for subtitles and YOLO labels
- Implement ASR subtitle display with background
- Add YOLO bbox rendering with class labels
- Add zoom in/out (+/-) and reset (Backquote)
- Add frame/time info display
- Fix YOLO metadata parsing for actual file format
- Add Shift+Arrow for 1-second seek

target/debug/build/serde-2beb76a2a4a45d11/out/private.rs

@@ -0,0 +1,6 @@
+#[doc(hidden)]
+pub mod __private228 {
+    #[doc(hidden)]
+    pub use crate::private::*;
+}
+use serde_core::__private228 as serde_core_private;