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/release/.fingerprint/sdl2-936dfee1d947b4be/build-script-build-script-build.json

@@ -0,0 +1 @@
+{"rustc":18415816196306954164,"features":"[\"default\", \"ttf\"]","declared_features":"[\"bundled\", \"c_vec\", \"default\", \"gfx\", \"hidapi\", \"image\", \"mixer\", \"raw-window-handle\", \"static-link\", \"ttf\", \"unsafe_textures\", \"use-bindgen\", \"use-pkgconfig\", \"use-vcpkg\", \"use_ios_framework\", \"use_mac_framework\"]","target":12318548087768197662,"profile":1369601567987815722,"path":9448011167582939637,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"release/.fingerprint/sdl2-936dfee1d947b4be/dep-build-script-build-script-build","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}