- Refactor duplicated video event listener boilerplate in wireVideoEvents() into onVideoEvent() helper (viewer.js: -57 lines) - Fix 3 ESLint no-unused-vars warnings (bare catch instead of unused _e) - Fix 1 additional no-unused-vars: unused 'data' param in MANIFEST_LOADED - Remove dead 'Hls.cast' entry from playerRank map (no strategy produces it) - Remove deprecated .eslintignore file (ESLint v9 uses flat config only) - Add __tests__/ to ESLint ignores in flat config Net: -20 lines (46 ins, 66 del). 83/83 tests pass, lint clean (0 warnings)
