GLM-4 uses multiple EOS tokens [151329, 151336, 151338] where 151336
(<|user|>) should also stop generation. Previously only the first EOS
from tokenizer was used, causing generation to always hit max_tokens.
Changes:
- config.py: Change eos type to int | list[int]
- llm_engine.py: Read eos_token_id from hf_config (contains full list)
- scheduler.py: Use set for efficient multi-EOS lookup
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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