[AUDIT] Migrate Markdown Dumps to GitLab Wiki

Production Architecture Violation

Severity: HIGH

Problem

• UNIFIED_INTEGRATION_ARCHITECTURE.md
• PRODUCTION_ARCHITECTURE_COMPLIANCE.md (3.5KB)

Required Actions

1. Migrate docs to GitLab Wiki
2. Delete markdown files
3. Add pre-commit hook

Definition of Done

• Content migrated to GitLab
• Files deleted (except README.md)
• Pre-commit hook enforces no new .md