docs(ouroboros): add issue 27 run and QA evidence

[minsing-jin]

Summary

• continues issue chore(ouroboros): close latest feed-moat completion gaps #27 after reopening instead of stopping at the previous blocker-only PR
• records the completed low-resource Ouroboros run: job_ab816fb4bb95, session orch_9f3397eece9b, execution exec_3bcfde466626
• records QA PASS: qa-ba23fbfb, score 0.95 / 1.00
• keeps scope limited to latest feed-moat / personal algorithm steering evidence and excludes old Implement information capture auto improvement like autoresearch #1, old feat(recommender-core): NL-controllable, self-evolving, domain-pluggable 추천 모듈로 일반화 #2, Manus, and LiteLLM

Verification

• python3 -m pytest -q tests/test_issue27_ouroboros_completion.py -> 23 passed
• python3 -m pytest -q tests/test_personal_algorithm_engine.py tests/test_ambient_delivery_surfaces.py tests/test_issue19_evidence_package.py tests/test_issue27_ouroboros_completion.py -> 174 passed
• .venv/bin/python -m pytest -q -> 746 passed, 1 warning
• git diff --check -> passed

Closes #27