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/zerovec-a842c02467ad0135/lib-zerovec.json

@@ -0,0 +1 @@
+{"rustc":18415816196306954164,"features":"[\"derive\", \"yoke\"]","declared_features":"[\"alloc\", \"databake\", \"derive\", \"hashmap\", \"serde\", \"std\", \"yoke\"]","target":1825474209729987087,"profile":2040997289075261528,"path":15813942522862730964,"deps":[[697207654067905947,"yoke",false,12989383662965035810],[6522303474648583265,"zerovec_derive",false,18366173763772184212],[17046516144589451410,"zerofrom",false,11905174934603082765]],"local":[{"CheckDepInfo":{"dep_info":"release/.fingerprint/zerovec-a842c02467ad0135/dep-lib-zerovec","checksum":false}}],"rustflags":[],"config":2069994364910194474,"compile_kind":0}