Files
hermes-agent/gateway
Teknium 2124ad72a2 fix(api-server): emit length/error finish_reason for truncation/failure (#22775)
Non-streaming /v1/chat/completions wrapped any AIAgent result \u2014 including
partial/failed runs \u2014 as a successful 200 with finish_reason='stop' and
the internal failure string substituted into message.content. API
clients had no way to distinguish 'agent answered: X' from
'agent crashed and the X you see is its error message'.

After the fix:
  - completed: True             \u2192 200 finish_reason='stop' (unchanged)
  - partial + truncated text    \u2192 200 finish_reason='length' + hermes extras
  - partial + no text / failed  \u2192 502 OpenAI error envelope (SDKs raise)
  - other failures              \u2192 200 finish_reason='error' + hermes extras

Adds X-Hermes-Completed / X-Hermes-Partial / X-Hermes-Error headers
plus a 'hermes' extras object on partial responses for clients that
want the full picture.

Closes #22496.
2026-05-09 12:48:08 -07:00
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