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fix(translate): add detailed LLM response logging for empty content debug

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Preview + executor now log finish_reason, message_keys, and raw
response structure when LLM returns empty content, enabling
diagnosis of DeepSeek API issues (empty content with finish_reason=length)
This commit is contained in:
busya
2026-05-15 09:28:21 +03:00
parent 7947700188
commit 5d4649d24e
2 changed files with 12 additions and 2 deletions
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7
backend/src/plugins/translate/executor.py
View File

@@ -971,10 +971,15 @@ class TranslationExecutor:
choices = data.get("choices", [])
if not choices:
logger.explore("LLM returned no choices", extra={"src": "executor", "response_keys": list(data.keys()), "response_preview": str(data)[:2000]})
raise ValueError("LLM returned no choices")
content = choices[0].get("message", {}).get("content", "")
finish_reason = choices[0].get("finish_reason", "none")
msg = choices[0].get("message", {})
content = msg.get("content", "")
logger.reason(f"LLM response finish_reason={finish_reason} content_len={len(content)} msg_keys={list(msg.keys())}")
if not content:
logger.explore("LLM returned empty content", extra={"src": "executor", "finish_reason": finish_reason, "msg_keys": list(msg.keys()), "response_preview": str(data)[:2000]})
raise ValueError("LLM returned empty content")
return content

7
backend/src/plugins/translate/preview.py
View File

@@ -977,10 +977,15 @@ class TranslationPreview:
choices = data.get("choices", [])
if not choices:
logger.explore("LLM returned no choices", extra={"src": "preview", "response_keys": list(data.keys()), "response_preview": str(data)[:2000]})
raise ValueError("LLM returned no choices")
content = choices[0].get("message", {}).get("content", "")
finish_reason = choices[0].get("finish_reason", "none")
msg = choices[0].get("message", {})
content = msg.get("content", "")
logger.reason(f"LLM response finish_reason={finish_reason} content_len={len(content)} msg_keys={list(msg.keys())}")
if not content:
logger.explore("LLM returned empty content", extra={"src": "preview", "finish_reason": finish_reason, "msg_keys": list(msg.keys()), "response_preview": str(data)[:2000]})
raise ValueError("LLM returned empty content")
return content