112 conversions across 19 .sx files using match, let-match, and pipe operators: match (17): type/value dispatch replacing cond/if chains - lib/vm.sx: HO form dispatch (for-each/map/filter/reduce/some/every?) - lib/tree-tools.sx: node-display, node-matches?, rename, count, replace, free-symbols - lib/types.sx: narrow-type, substitute-in-type, infer-type, resolve-type - web/engine.sx: default-trigger, resolve-target, classify-trigger - web/deps.sx: scan-refs-walk, scan-io-refs-walk let-match (89): dict destructuring replacing (get d "key") patterns - shared/page-functions.sx (20), blog/admin.sx (17), pub-api.sx (13) - events/ layouts/page/tickets/entries/forms (27 total) - specs-explorer.sx (7), federation/social.sx (3), lib/ small files (3) -> pipes (6): replacing triple-chained gets in lib/vm.sx - frame-closure → closure-code → code-bytecode chains Also: lib/vm.sx accessor upgrades (get vm "sp" → vm-sp vm throughout) 2650/2650 tests pass, zero regressions. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Blog App (Coop)
Content management, Ghost CMS sync, navigation, and the prose editor for the Rose Ash cooperative platform. Runs database migrations on startup and serves as the primary content hub.
Structure
app.py # Application factory (create_base_app + blueprints)
path_setup.py # Adds project root + app dir to sys.path
entrypoint.sh # Container entrypoint (migrations, Redis flush, start)
bp/
blog/ # Post listing, Ghost CMS sync, webhooks
post/ # Single post view and admin
admin/ # Settings admin interface
menu_items/ # Navigation menu management
snippets/ # Reusable content snippets
fragments/ # nav-tree fragment for cross-app navigation
models/ # Re-export stubs pointing to shared/models/
services/ # register_domain_services() — wires blog + calendar + market + cart
templates/ # Blog-specific templates (override shared/)
Cross-domain communication
All inter-app communication uses typed service contracts (no HTTP APIs):
services.calendar.*— calendar/entry queries via CalendarService protocolservices.market.*— marketplace queries via MarketService protocolservices.cart.*— cart summary via CartService protocolservices.federation.*— AP publishing via FederationService protocol
Fragments served
- nav-tree — site navigation tree, fetched by all other apps
Fragments consumed
- cart-mini (from cart) — cart icon + badge
- auth-menu (from account) — sign-in / user menu
- container-nav (from events, market) — sidebar widgets
- container-cards (from events) — event cards on listing pages