writeonce/docs/plan
shoney.arickathil 9a9e4927f6 feat: call/reply — send that waits (id 88, envelope kinds 5/6, WO-E226)
- runtime: mailbox slots grow caller metadata (wo_msg), call parks on
  WO_PARK_INBOX (the DB-RPC protocol) and the resume consumes a SCALAR
  reply; FIBER_DONE ships the receive's return value home (same-shard
  unpark or kind-6 envelope); kind-5 carries cross-shard calls
- actor death is real now: a receive trapping uncaught marks the actor
  dead, error-unparks the in-flight caller AND every queued caller,
  drops queued payloads + state, releases cap slots; send-to-dead
  drops silently, call-to-dead traps — a call never hangs. Fixes the
  pre-existing leak/dangle in TRAPF's fiber-death path (cur_msg leaked,
  a->active dangled, the mailbox rotted)
- compiler: reply typing through actor-M erasure — every receive(M)
  program-wide must agree on one return type and it must be a copyable
  scalar (v1); WO-E226 names disagreeing classes / void receives /
  non-scalar replies; call's message moves exactly like send's (owner)
- corpus: run/call-echo (park + ordered replies), run/call-dead-trap
  (mid-call + to-dead, both catchable), compile-fail/call-void-receive,
  compile-fail/call-reply-disagree; cross-shard call proof rides the
  chat gate next
- battery 12/12 fresh-built (ASan+TSan lanes in fibers/db-actor green)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-23 06:22:24 +02:00
..
compiler docs: status board moved to docs/stories/00-status.md 2026-08-21 10:07:20 +02:00
exploration feat: O(1) read path — index probe wired end to end 2026-08-22 16:44:56 +02:00
oop-vm feat: call/reply — send that waits (id 88, envelope kinds 5/6, WO-E226) 2026-08-23 06:22:24 +02:00
discarded.md docs: status board moved to docs/stories/00-status.md 2026-08-21 10:07:20 +02:00
learnings.md docs: status board moved to docs/stories/00-status.md 2026-08-21 10:07:20 +02:00
perf-targets.md docs: perf-targets register — measured optimization candidates 2026-08-22 17:19:46 +02:00