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re: the 2D/GP_READY_ROOM blocker - retry already done, two new structural facts

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Item: retry the blocker with the "wrong prefix" lesson from
StageMessageSet_S02.tbl. The retry was already run and the owning doc says so:
archive-naming's "13 name transformations" list already includes 2d\, eng\,
hud\ and GP_MAIN_GAME_2D\ prefixes, every one scoring 0 against both the E2D
pak and all 16630 entries. Reading the doc end to end first would have shown
that in a minute. Recorded so the idea is not proposed a third time.

What the re-open did add - two measurements the earlier passes did not make:

1. The six 2D archives share ONE key set: 711 keys, identical in all six.
   Intersection = union = 711; 4266 entries, 711 distinct keys. The entry names
   are language-independent - the language lives in the pak file name, not the
   entry path. That refutes any <lang>\ prefix hypothesis structurally, not
   merely by a zero score: if the names carried a language directory the six
   key sets would differ.

2. The 2D key space is disjoint from the rest of the disc - 0 of 711 appear in
   any non-2D archive, while disc-wide 2010 of 16630 keys are shared between
   archives. Sharing is common; this set never does it.

The six named GP_READY_ROOM entries are all fonts - deu\GOTHICB.TTF, eng\,
esp\, fra\, ita\ likewise, and jpn\HGRGE00.TTF. The doc recorded the count "6
named" without saying what they are: localisation fonts named from elsewhere on
the disc, not a sample of the archive's own artwork vocabulary, so they cannot
seed the dictionary attack the doc names as the last lever. Only 2 of 1106
GP_READY_ROOM keys appear in another archive.

Still blocked, now for a sharper reason: the 2D names are language-independent,
unshared, and absent from disc and executable alike.

All fifteen artefacts byte-identical.
This commit is contained in:
Sylpheed RE agent
2026-08-28 03:29:37 +00:00
parent 602d965377
commit 5787b04f28
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41
docs/re/BACKLOG.md
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@@ -6019,3 +6019,44 @@ Right instinct, wrong mechanism — same pak, different prefix.
🟡 Not settled: why `S28_p1` has an asteroid volume with no definition; what
`Placement_*`/`RouteTest_*` are for; the two unnamed `_Test` variant objects.
---
## 🔴✅ 2026-08-28 — the 2D/`GP_READY_ROOM` blocker: retry already done, but two new structural facts
Item (a): retry the 🔴 blocker with the "wrong prefix" lesson from
`StageMessageSet_S02.tbl` (which resolves under `message\`, not `stage\`).
🔴 **The retry was already run, and the owning doc says so.**
[[archive-naming]]'s "13 name transformations" list already includes `2d\`,
`eng\`, `hud\` and `GP_MAIN_GAME_2D\` prefixes — **every one scored 0**, against
both the E2D pak and all 16 630 entries. Reading the doc end to end first would
have shown that in one minute. Recording it so the idea is not proposed a third
time.
✅ **What the re-open did add — two measurements the earlier passes did not make.**
1. **The six 2D archives share ONE key set: 711 keys, identical in all six.**
Intersection = union = 711; 4 266 entries, 711 distinct keys. The entry
**names are language-independent** — the language lives in the pak *file*
name, not the entry path. That refutes any `<lang>\` prefix hypothesis
**structurally**, not merely by a zero score: if the names carried a language
directory, the six key sets would differ.
2. **The 2D key space is disjoint from the rest of the disc** — **0 of 711**
appear in any non-2D archive, while disc-wide **2 010 of 16 630** keys are
shared between archives. Sharing is common; this set simply never does it. No
named neighbour to borrow a convention from.
⚠️ **The six named `GP_READY_ROOM` entries are all fonts** — `deu\GOTHICB.TTF`,
`eng\`, `esp\`, `fra\`, `ita\` likewise, and `jpn\HGRGE00.TTF`. The doc recorded
the count "6 named" without saying what they are: they are localisation fonts
named from elsewhere on the disc, **not a sample of the archive's own artwork
vocabulary**, so they cannot seed the dictionary attack the doc names as the last
lever. (Only **2 of 1 106** `GP_READY_ROOM` keys appear in another archive.)
🔴 **Still blocked, and now for a sharper reason**: the 2D names are
language-independent, unshared, and absent from disc and executable alike. The
dictionary-attack lever remains without a corpus.
🟡 Not settled: why `S28_p1` has an asteroid volume with no definition; the two
unnamed `_Test` variant objects; what `Placement_*`/`RouteTest_*` are for.

28
docs/re/structures/archive-naming.md
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@@ -250,6 +250,34 @@ rather than improvised around.**
*content* (T8aD, RATC), and the config records already say which asset each HUD
element uses. Only the archive-key ↔ name mapping is missing.
## ✅ Two structural facts that tighten the blocker (2026-08-28)
Re-opened to retry the prefix idea after `StageMessageSet_S02.tbl` turned out to
be a wrong-prefix problem (it resolves under `message\`, not `stage\`). **That
retry was already done here** — the 13 rewrites above include `2d\`, `eng\`,
`hud\` and `GP_MAIN_GAME_2D\`, all 0. What the re-open did produce is two
measurements the earlier passes did not make:
**1. The six 2D archives share ONE key set — 711 keys, identical in all six.**
Intersection = union = **711**; `4 266` entries, `711` distinct keys. So the
entry *names are language-independent*: the language lives in the **pak file
name**, not in the entry path. That refutes any `<lang>\` prefix hypothesis
**structurally**, not just by a zero score — if the names carried a language
directory the six key sets would differ.
**2. The 2D key space is disjoint from the rest of the disc.** **0 of the 711**
appear in any non-2D archive (disc-wide, 2 010 of the 16 630 distinct keys are
shared between archives, so sharing is common — this set simply does not do it).
There is no named neighbour to borrow a convention from.
⚠️ **And the six named `GP_READY_ROOM` entries are all fonts** —
`deu\GOTHICB.TTF`, `eng\`, `esp\`, `fra\`, `ita\` likewise, and
`jpn\HGRGE00.TTF`. The
count "6 named" was recorded above without saying *what* they are; they are
localisation fonts whose names come from elsewhere on the disc, **not a sample of
the archive's own artwork vocabulary**. So they cannot seed the dictionary attack
— the lever below still has no corpus.
## 🟡 Not settled
* What names the 2D and `GP_READY_ROOM` TOCs actually hash. The one lever left is