[CORRUPTED] Synthetic Benchmark PR #29015 - feat: http response add x-trace-id

[ofir-frd]

Benchmark PR langgenius#29015

Type: Corrupted (contains bugs)

Original PR Title: feat: http response add x-trace-id
Original PR Description: > [!IMPORTANT]

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2. Ensure there is an associated issue and you have been assigned to it
3. Use the correct syntax to link this PR: Fixes #<issue number>.

Summary

resolve issue langgenius#29017 add trace_id in http response header and add trace_id in log for debug

for flask request you should enable export ENABLE_REQUEST_LOGGING=true

Screenshots

Before	After

Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods

Original PR URL: langgenius#29015

Compliance Violation

• Rule: Write Self-Documenting Code With Intent-Explaining Comments
• Language: Python
• File: api/extensions/ext_request_logging.py