complete_stream: Stop response streaming

[ManishMadan2882]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  * abortController is detected in the /stream with the except GeneratorExit block
  * Saves the streamed part to the conversation document

• Why was this change needed? (You can also link to an open issue here)
  [feature]: add option to stop/cancel a processing request #379

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[codecov]

Codecov Report

❌ Patch coverage is 31.91489% with 32 lines in your changes missing coverage. Please review.
✅ Project coverage is 35.48%. Comparing base (498e2b7) to head (52c5bb5).
⚠️ Report is 75 commits behind head on main.

Files with missing lines	Patch %	Lines
application/api/answer/routes/base.py	0.00%	12 Missing ⚠️
application/llm/docsgpt_provider.py	0.00%	8 Missing ⚠️
application/llm/google_ai.py	42.85%	8 Missing ⚠️
application/llm/openai.py	62.50%	3 Missing ⚠️
application/llm/anthropic.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2031      +/-   ##
==========================================
+ Coverage   34.67%   35.48%   +0.81%     
==========================================
  Files         131      135       +4     
  Lines        8703     9251     +548     
==========================================
+ Hits         3018     3283     +265     
- Misses       5685     5968     +283     

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Project	Deployment	Preview	Comments	Updated (UTC)
oss-docsgpt	Ready	Preview	Comment	Oct 8, 2025 5:22pm