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/syn-7e03f7f49a123595/lib-syn.json

@@ -0,0 +1 @@
+{"rustc":18415816196306954164,"features":"[\"clone-impls\", \"default\", \"derive\", \"extra-traits\", \"fold\", \"full\", \"parsing\", \"printing\", \"proc-macro\", \"visit\"]","declared_features":"[\"clone-impls\", \"default\", \"derive\", \"extra-traits\", \"fold\", \"full\", \"parsing\", \"printing\", \"proc-macro\", \"test\", \"visit\", \"visit-mut\"]","target":9442126953582868550,"profile":1369601567987815722,"path":12436186540728090074,"deps":[[4289358735036141001,"proc_macro2",false,11324536700139532296],[8901712065508858692,"unicode_ident",false,6567643079862453703],[13111758008314797071,"quote",false,18332755242731502163]],"local":[{"CheckDepInfo":{"dep_info":"release/.fingerprint/syn-7e03f7f49a123595/dep-lib-syn","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}