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Add deftype and static effect system to typed-sx plan

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Phase 6 (deftype): type aliases, unions, records (typed dict shapes),
parameterized types. Phase 7: pragmatic static effect checking — io,
dom, async, state annotations with render-mode enforcement, no
algebraic handlers, zero runtime cost. Phases 1-5 marked done.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
giles
2026-03-11 19:12:37 +00:00
parent 5d5512e74a
commit 9b38ef2ce9
2 changed files with 144 additions and 13 deletions
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sx/sx/nav-data.sx
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@@ -176,7 +176,7 @@
(dict :label "Runtime Slicing" :href "/plans/runtime-slicing"
:summary "Tier the client runtime by need: L0 hypermedia (~5KB), L1 DOM ops (~8KB), L2 islands (~15KB), L3 full eval (~44KB). Sliced by slice.sx, translated by js.sx.")
(dict :label "Typed SX" :href "/plans/typed-sx"
:summary "Gradual type system for SX. Optional annotations, checked at registration time, zero runtime cost. types.sx — specced, bootstrapped, catches composition errors.")
:summary "Gradual type system with static effect checking. Optional type annotations, deftype (aliases, unions, records), and effect declarations — checked at registration time, zero runtime cost. types.sx — specced, bootstrapped, catches composition and boundary errors.")
(dict :label "Nav Redesign" :href "/plans/nav-redesign"
:summary "Replace menu bars with vertical breadcrumb navigation. Logo → section → page, arrows for siblings, children below. No dropdowns, no hamburger, infinite depth.")
(dict :label "Fragment Protocol" :href "/plans/fragment-protocol"