Subsystems
Subsystem docs describe supporting services that pipelines depend on. These pages are organized by capability rather than by execution sequence.
Start here when you need a stable reference for a cross-cutting area such as commands, database schema, caching, localization, security, cooldowns, provider options, or persona behavior.
Common References
Section titled “Common References”command-system— slash-command loading and interaction timingdatabase-schema— schema reference and table ownershipcaching— cache layers and invalidation patternslocalization— locale keys and user-facing text conventionssecurity— threat boundaries and safe defaultstool-system— built-in, REST, and MCP tool registration