Handbook
ARCH — Software Architecture
Structure, quality attributes, maintainability — ARCH-SDLC-PDLC-BRIDGE.md and ADR practice.
What it is
Architecture discipline templates and Versona versona-architecture.mdc for design pressure-tests.
When people say this
When ADRs, control-plane boundaries, or non-functional requirements cross-cut repos.
Where it lives
blueprints/disciplines/
How it fits the ecosystem
fp handbook holds platform-wide architecture; product ADRs stay in product repos.
Typical usage in plans and chat
L/XL plans crossing fl/fp/ff/lcdl should invoke ARCH review or ADR stub in plan output.
Related terms
Term page — canonical catalog entry arch.