docs: clarify access control architecture and RIO integration
docs: apply wiki editorial audit findings Apply 107 findings across 49 pages, including revised wording, sentence case headings, and event terminology. Leave the deferred MP4 metadata finding unchanged.
docs: apply Genetec style guide to access control integration architecture
docs: refine access control integration architecture
docs: state entity scope and offline event recovery for external PACS plugin integrations
docs: remove third-party product names from access control architecture page
docs: apply style fixes to RIO guides
docs: add Synergis RIO integration guides