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/.fingerprint/bumpalo-9214dc9bc289b3ef/lib-bumpalo.json

@@ -0,0 +1 @@
+{"rustc":18415816196306954164,"features":"[\"default\"]","declared_features":"[\"allocator-api2\", \"allocator_api\", \"bench_allocator_api\", \"boxed\", \"collections\", \"default\", \"serde\", \"std\"]","target":10625613344215589528,"profile":5347358027863023418,"path":18342583852565774136,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/bumpalo-9214dc9bc289b3ef/dep-lib-bumpalo","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}