Implement Upload Hook for momentry integration (Phase 1)

- Add upload_hook.rs module: trigger video_probe + video_register on upload
- Add UploadHookSection to config: video extensions, binary paths
- Integrate with SFTP: handle_close triggers hook on write files
- Integrate with SCP/rsync: child process exit triggers hook
- All 155 tests pass

markbase-core/src/ssh_server/mod.rs

@@ -5,21 +5,22 @@ pub mod auth;
 pub mod channel;
 pub mod cipher;
 pub mod crypto;
-pub mod data_forwarder; // Phase 13.5: 数据传输模块
+pub mod data_forwarder;
 pub mod kex;
 pub mod kex_complete;
 pub mod kex_exchange;
 pub mod packet;
-pub mod port_forward; // Phase 13: 端口转发模块
-pub mod port_forward_listener; // Phase 13.4: 监听线程模块
+pub mod port_forward;
+pub mod port_forward_listener;
 pub mod rsync_handler;
 pub mod scp_handler;
 pub mod server;
 pub mod sftp_handler;
-pub mod ssh_security_config; // Phase 13.1: 企业级安全配置
-pub mod sshbuf; // Phase 15: SSH Buffer 零拷贝管理（参考OpenSSH sshbuf.c）
+pub mod ssh_security_config;
+pub mod sshbuf;
+pub mod upload_hook;
 pub mod version;
-pub mod window_manager; // Phase 13.6-13.7: Window size + Channel生命周期
+pub mod window_manager;
 
 pub use packet::{PacketType, SshPacket};
 pub use server::SshServer;