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research: Campaign CA slice CA1 — advancement wire + retail recompute oracle

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Two parallel research passes assembled with a hand-verification ledger on
every load-bearing claim.

Wire (ACE + Chorizite + holtburger, field-for-field agreement on all six
inbound layouts): PrivateUpdateAttribute 0x02E3, PrivateUpdateVital 0x02E7
(always Max-family vital ids 1/3/5), PrivateUpdateAttribute2ndLevel 0x02E9
(always current-family ids 2/4/6 — a parser must NOT treat the two as one
id space), PrivateUpdateSkill 0x02DD (ushort ranks + the hardcoded
adjustPP=1 pair, f64 lastUsedTime), PrivateUpdatePropertyInt 0x02CD
(AvailableSkillCredits=24) and Int64 0x02CF (AvailableExperience=2).
Ordered action->response chains for all four raise/train actions,
including the retail quirk that an Endurance raise pushes only a HEALTH
full-vital record and the client is expected to refresh stamina from it
too. Specialize/untrain/reset have NO dedicated opcode — item-Use plus a
confirmation round-trip reusing the same update messages. 0x02DF has no
ACE producer (verified); CA2 skips it.

Recompute (named-retail + live Ghidra): retail computes skills, vitals
maxima and run rate LIVE at inquiry time — Set* are raw-storage writes,
InqSkill re-derives from the attribute formula every call (verified in
the decompile, including the z==0 early-out that IS the attribute-less
Salvaging handling and the +10 augmentation adds), InqRunRate runs every
motion tick, and UI refresh is a value-less observer notification.

Two corrections to our own tree surfaced: PropertyString.cs's comment
claims 0x02DD (it is 0x02D5 — doc-only, nothing dispatches on it), and
SkillSnapshot.FormulaBonus is frozen at PlayerDescription parse — the
stale-cache half of #431 that CA3 replaces with the live computation.
RetailSkillFormula.TryCalculate already ports 0x00591960 exactly, so CA3
reuses it rather than porting anew.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Erik 2026-08-24 13:30:33 +02:00
parent 20721ddada
commit 1fc64984c9
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docs/plans/2026-08-24-character-advancement-campaign.md
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@ -119,7 +119,7 @@ neighborhood).
| Slice | Status | Evidence |
|---|---|---|
| CA1 | — | |
| CA1 | COMPLETE 2026-08-24 | docs/research/2026-08-24-advancement-wire-and-recompute.md — six inbound messages pinned byte-for-byte with 3-source agreement; live-at-inquiry recompute verdict verified by hand in Ghidra; RetailSkillFormula already ports 0x00591960 exactly |
| CA2 | — | |
| CA3 | — | |
| CA4 | — | |

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