Updated all major documentation files to reflect the completed Activity
Log System (Phase 3.5) implementation.
Changes:
- README.md: Added Admin & Monitoring section, updated database schema
to 12 tables, added Activity Log System to completed phases, updated
project structure to show admin pages and services
- SESSION_CONTEXT.md: Updated recent work, added activity log system to
core features, updated database schema, added comprehensive Phase 3.5
overview with all implementation details
- COMPLETED.md: Added full Activity Log System entry with all 8 phases,
implementation details, git commits, and access information
Updated dates to 2025-12-02.
a8fcb5e6eb