513e71f9f1
Rework the Doubao monitor adapter so success answers come exclusively from CHUNK_DELTA SSE text and require an SSE_REPLY_END finish event — DOM fallbacks and FULL_MSG_NOTIFY user echoes can no longer pose as the model reply. Also auto-switch to the 思考 answer mode, repair mixed-mojibake fragments per run, unwrap Doubao redirect URLs, scrub "unknown" source metadata, recover from mid-query navigation by returning unknown for retry, and surface stream/finish counters in diagnostics. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>