yv01p 26ccbec30c docs: add Phase 8 completion summary ...

Add completion summary for ContentService Phase 8 facade finalization,
documenting all completed tasks, achievements, and final assessment.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

2025-12-24 23:10:06 +00:00

..

plans

docs: add Phase 8 completion summary

2025-12-24 23:10:06 +00:00