E-8 (re-implemented for JSPI — the codex gate is entangled with the dropped
execution owner; under JSPI a fresh non-suspending JS→wasm entry while
another activation is suspended is structurally safe on its own stack, so
the admission boundary for worker completions is liveness + trap state, not
execution ownership):
- jspi-scheduler.js grows `terminal` (trapped instance; distinct from `dead`),
canTouchNative(), _terminalizeNativeTrap() (WebAssembly.RuntimeError +
cross-realm string classification), and runWaitCompletion(site, token,
prepare, inertResult): prepare runs immediately and owns ALL native work;
stale tokens and dead/terminal instances drop loudly without resolving
(resolving would resume the parked frame inside the damaged module); a
trap latches terminal; a plain JS bug resolves inertResult so the wait
fails instead of stranding. beginWait refuses (token 0) when dead/terminal.
- all four delayed completion sites route their native work through the
gate: 'OCC export completion' (exporter_step_stub), 'OCC model completion'
(oce_plugin_stub — the MEMFS cache write moves inside the gate too),
'ngspice request completion' and 'ngspice vector completion'
(sharedspice_client — every HEAP32/HEAPF64/malloc write inside prepare,
inertResult 1 = transport error). Every wxWasmBeginWait caller in the
stubs bails on token <= 0.
- deliberately NOT ported from codex: ownerModule, enqueueNativeCompletion,
executionBarrier, the byte-credit native-entry FIFO — completions are
one-shot per wait token and stream volume is bounded at the E-6 transport
credit window. Cross-refs logged for group M (M-2/M-6/M-8).
E-5 (re-implemented; codex shape kept, owner APIs replaced with the E-8
gate): js_ngspice_install_events binds the handler to the EXACT installing
module (handler.__pcbjamNgspiceOwnerModule stamp; presence is not identity),
re-installation replaces a foreign module's handler, a superseded handler
disarms itself, native entry goes through installingModule._malloc/
._pcbjam_ngspice_event (never lexical Module), each dispatch checks
canTouchNative() (loud drop on a dead/terminal module), and a trap on the
per-line entry latches the terminal gate.
Tests: scheduler-shim.test.ts +7 (gate happy/stale/dead/terminal/cross-realm/
js-bug/beginWait-refusal). e2e specs updated from the codex line: occ-export
decode-fault recovery (real onmessageerror transition via failDecode, J-4),
ngspice-probe direct-service coverage, eeschema-sim rewritten onto the E-7
applied-generation receipt (codex's executionBarrier await replaced with a
pendingWaits('ngspice') drain poll — the JSPI-line equivalent).
Also bumps the kicad submodule to the E-7/E-9 commit (dd5751038f7).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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