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Stage O-A: the Tripod is an observer -- outside the compudynamic comparison, acting on events (FABRIC-3.9.0 §2, 3.9.8)

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Observer flag on switch-signal slots, set by the kernel for the Tripod
(is_fleet_foundation, hoisted; Hera in kernel_main). The decision: an
observer in progress or holding an event keeps the CPU; observers with
events (mail, Hera's console input) go ahead of participants, oldest wait
stamp first; participants compared by work heat as before. Observers are
never charged (O-2) nor floored. Uncommitted heat-share charge discarded.

Evidence, byte-identical amd64/aarch64/riscv64: G interleave unchanged;
Hestia's mail runs before any worker output (HHHABB...); a line typed
while two workers run is read and executed mid-stream (...ABAB1 2 + . /
3 ok / ABAB...) -- console responsive under load. Relay 3, dict_hash
unchanged. Busy-wait DOE deliberately not run (deadlocks by design until
O-C). FABRIC-3.9.0 records rulings and Captain Bob's messaging note (§7).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Robert Allan James
2026-09-24 09:28:35 -04:00
co-authored by Claude Opus 5.5
parent 04dbc3a5d3
commit 6e933dac38
14 changed files with 27770 additions and 35 deletions
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src/starkernel/capsule/capsule_birth.c
+18 -10
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@@ -835,20 +835,24 @@ CapsuleRunResult capsule_birth_baby(
* session_set_pinned() failures are soft-fail the same way (logged,
* non-fatal) -- same reasoning §H.12 step 4 already established for
* Hera. */
/* FABRIC-3.6.md Phase 4 (Stage E), 2026-09-22: "Hermes" retired
* from this OR-chain -- FABRIC-3.5.md SXXXIV.4's own ruling
* named this exact moment ("removed in Stage E, with the strip,
* not with the Tripod change"). The chain temporarily held four
* names (Hera, Hermes, Artemis, Hestia) through Phases 1-3,
* deliberately, per that same ruling; three names now.
* FABRIC-3.9.0.md §2.1 (Stage O-A, 2026-09-24): hoisted out of the
* Stadium block below so the switch-signal registration further down
* reads the SAME birth-time structural fact (the Tripod members are
* observers) instead of a second copy of this test. */
const int is_fleet_foundation =
vm_name_prefix_eq_nocase(capsule_name, "Hera") ||
vm_name_prefix_eq_nocase(capsule_name, "Artemis") ||
vm_name_prefix_eq_nocase(capsule_name, "Hestia");
{
StadiumPatronHeader vm_patron;
uint8_t *raw = (uint8_t *)&vm_patron;
size_t i;
/* FABRIC-3.6.md Phase 4 (Stage E), 2026-09-22: "Hermes" retired
* from this OR-chain -- FABRIC-3.5.md SXXXIV.4's own ruling
* named this exact moment ("removed in Stage E, with the strip,
* not with the Tripod change"). The chain temporarily held four
* names (Hera, Hermes, Artemis, Hestia) through Phases 1-3,
* deliberately, per that same ruling; three names now. */
int is_fleet_foundation =
vm_name_prefix_eq_nocase(capsule_name, "Hera") ||
vm_name_prefix_eq_nocase(capsule_name, "Artemis") ||
vm_name_prefix_eq_nocase(capsule_name, "Hestia");
for (i = 0; i < sizeof(vm_patron); i++) raw[i] = 0;
vm_patron.identity = 0;
@@ -932,6 +936,10 @@ CapsuleRunResult capsule_birth_baby(
if (sk_vm_switch_signal_register(vm_id) < 0) {
log_message(LOG_WARN, "capsule_birth_baby: switch-signal table full -- %s won't be switched to",
capsule_name);
} else if (is_fleet_foundation) {
/* FABRIC-3.9.0.md §2.1 (Stage O-A): the Tripod observes the
* compudynamics and acts on events; it does not participate. */
sk_vm_switch_signal_set_observer(vm_id);
}
capsule_parity_log_birth(vm_id, cap->capsule_id, cap->content_hash, dict_hash);