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fix(drift-trio): phase E — serialized fiber queue (#10a) + fiber-busy probes

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runOnFiber now runs bodies strictly one-at-a-time through a park-safe FIFO
(collab_common.h): the per-body fire-and-forget coroutine interleaved under
load — an asyncify park inside commit.Push let the event loop start the next
body, so a local commit and a remote apply ran interleaved on shared state
(s_applyingRemote is one global), silently losing applies on the actively-
editing receiver (fuzz finding #10a; B now fuzzes clean; 39-test suite green).

kicadCollabFiberBusy embind probe (merged + standalone registrations): a
bare-embind-stack scratch save during a parked fiber mis-dispatches (table
index OOB) — trio.ts modelText/drift and production drift-detect now defer
while fiber work is in flight (#10b hardening; the trap's root cause is still
open and needs a symbolized stack — fuzz stays fixme'd).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01G5cAM9M6q34n5X4dbrfVvi
This commit is contained in:
Gergő Törcsvári 2026-07-21 12:22:09 +02:00
commit 3fc90e8fe2
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6 changed files with 91 additions and 9 deletions
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6
wasm/bindings/eeschema_embind.cpp
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@ -1978,6 +1978,11 @@ void kicadSaveSchematic( std::string path )
}
static bool kicadCollabFiberBusyProbe()
{
return pcbjam_collab::fiberBusy() || !pcbjam_collab::fiberQueue().empty();
}
EMSCRIPTEN_BINDINGS(eeschema) {
// Programmatic save of the in-memory schematic (round-trip tests, README §A).
function("kicadSaveSchematic", &kicadSaveSchematic);
@ -1998,6 +2003,7 @@ EMSCRIPTEN_BINDINGS(eeschema) {
// registered once by kicad_editor_embind.cpp, dispatching on the active frame.
// Programmatic file open (preferred over UI automation from the web app).
function("kicadOpenFile", &kicadOpenFile);
function("kicadCollabFiberBusy", &kicadCollabFiberBusyProbe);
// Read-only viewer lock (read-only-viewer).
function("kicadSetReadOnly", &kicadSetReadOnly);
// Yjs collaborative bridge entry points (same contract as pl_editor).