Move doc/specs/ui.md to doc/spec/ui.md. Move plans/module-system.md to
doc/plans/. Add doc/spec/agents-runtime.md and docs/ reference specs.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Architecture for extending Paperclip with plugins: manifest-based
modules with routes, UI pages, database tables, and hook subscriptions.
Also covers company templates, the Company Store, and a phased
implementation plan.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>