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Author SHA1 Message Date
alex
746a6f29cb BP: probe 2 result - pinned seeds do NOT collapse a rich turn; the residue is one fleet-id transposition
P1 falsified. Two processes with identical pinned AI client seeds produced
different turn-28 autosaves from ad-turn27-two-raiders.sav, so a per-process
input other than the seed reaches a rich turn and C-exact is false on this
state. Resolution trigger, handed back rather than chased.

But the pin did almost all the work. AD's unpinned pair differed in 94 leaves
across designs, ship records, money, both build queues, ModCount, NumFlts,
DesignIDs[] and FleetIDs[]. This pinned pair differs in 35 of 61147, and all 35
are one transposition: fleets 1970 and 1986 exchange their entire contents.
Every decision leaf is identical.

The command block says the same from the input side. Runs L (unpinned) and A
(pinned to L's observed seeds) wrote BYTE-IDENTICAL autosaves, which gives a
noise mask no previous lane could build for this state; against it, A and B
differ in exactly three words - one fleet-move fleetId and two systemIds - and
list 10's fleet ids are in the same order in both. The id counter is
deterministic; what varies is which newly formed ship group each id lands on.

Also measured: the save has seven non-human players and the engine builds THREE
AI clients (RunAI fires 3x, ids 32/496/512); the four NPC factions get no client
and no seed.
2026-09-09 01:56:49 -04:00
alex
e923d2928c BP: probe 2 prediction, committed before the run
Probe 2 of the 2026-09-09 resolution: pin the AI client seeds on
ad-turn27-two-raiders.sav -- the richest AI turn the campaign owns, and the one
whose hooks=off control varies in 94 leaves -- and run two fresh processes.

Committed prediction: the two autosaves are byte-identical and state_checksum
prints IDENTICAL over ~67k leaves. If they differ, reading 3 is alive on rich
states, C-exact is false on the turns that matter, and that is a resolution
trigger rather than a lane result.

Also records, before any run: the exposure facts for all eight players read off
the input save, and the observation that four AI players enter this turn with
ResTNm == '' while contributing none of AD's 94 leaves -- all four have
NumOwn == 0, so 'ResTNm == emptystring names a pick turn' is necessary and not
sufficient.
2026-09-09 01:10:55 -04:00