초기 커밋: DefVideo 소스 등록

abcVideo 플레이어 소스 (client / server / shared / pythonsource / docs / .claude).
.gitignore 적용으로 node_modules·storage·samplevideo·미디어 등 대용량 일괄 제외.
103 files, ~964K.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

client/src/types/player.ts

@@ -0,0 +1,16 @@
+export type VideoSource =
+  | { kind: 'local'; file: File; objectUrl: string }
+  | { kind: 'server'; videoId: string; filename: string };
+
+export interface PlayerState {
+  source: VideoSource | null;
+  playing: boolean;
+  currentTime: number;
+  duration: number;
+  fps: number;
+  volume: number;
+  muted: boolean;
+  playbackRate: number;
+  fullscreen: boolean;
+  hlsReady: boolean;
+}