- DeepSeekWebExecutor with ds_session_id cookie auth
- DeepSeekWebWithAutoRefreshExecutor for session management
- Keccak-based PoW solver (DeepSeekHashV1)
- SSE stream transformation to OpenAI format
- Provider constant and alias (ds-web)
- 23 unit tests + live integration test
Authored-by: Paijo <oyi77@users.noreply.github.com>