No new boot was spent: six runs had already captured the first menu entry of a
fresh boot, and all six read NEW GAME. Three of them follow a session that ended
with the cursor on EXTRAS or OPTIONS, which is what makes it a test of persistence
rather than a repeated observation.
Reach stated rather than implied: every session ends with the emulator KILLED, so a
game that writes menu state on a clean shutdown would never get the chance. This
measures 'does not survive a killed session'.
Refutation attempt on the port's extras/initial_focus: ptbtn11 -- it SURVIVES.
ptbtn11 is the top button on the EXTRAS build, with the main menu as a control
where ptbtn01 is top and is known to be NEW GAME.
Incidentally corrects ring_row.py's stated calibration. It cited capture_y = 49.5 +
1.060*design_y, fitted against menu_focus.py's row centres, which are NOT the
disc's button rows -- the disc says 162/242/322/401/482, spacing 80, and
menu_focus.py drifts up to 17 px against them. Re-fitted: 64.82 + 0.9919*design_y,
residuals under 0.7 px. No item assignment changes.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
DIFFICULTY opens on NORMAL, the second of four, so it is the screen that separates
'resets to the named item' from 'resets to the top item' -- the question
sylpheed-port has had open for several iterations.
The probe is safe on this path without modification: it presses A to enter, one
DOWN, then B to leave, and never presses A inside a submenu, so it cannot reach
SELECT DATA and the guest throw at PC 0x82307128. Noted in the source so nobody
adds one.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port's point: a control that runs where the tool does not look proves
nothing about the tool. Case 2 plants a revival INSIDE the scanned root and demands
exit 1; a new case plants the same text OUTSIDE it and demands exit 0. The pair
asserts the scan boundary is real rather than leaving it to be reasoned about --
which is how I had it, correctly but only in my head.
Verified first by hand: identical plant text gives exit 1 inside the root and 0
outside it. Five cases now, all passing, and the real corpus still runs clean.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Verifying it previously meant launching the script, which then waits ~150 s for a
main menu and opens x11grab captures -- so the question "did the self-test pass?"
could not be answered without disturbing whatever else was using the display. That
is how a check-the-tool step turned into competing load during a measurement once
already.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port closed this gap first: their controls asserted failure-on-perturbation
but nothing asserted that a BROKEN harness reports broken. Their stub is a check
that cannot fail; the equivalent here is a register that loaded no claims, which
reported clean forever.
The self-test drives the REAL machinery over synthetic corpora as subprocesses and
reads actual exit codes -- their first version reasoned about what the machinery
would do instead of running it, which is the error this whole thread is about
committed inside the tool built to prevent it.
Four cases, all passing: clean corpus 0, verbatim revival 1, marked revival 0, and
empty register 2. The fourth was a real hole, not a modelled one: the tool now
refuses instead of passing when it parses no claims. Exit convention is theirs --
0 fine, 1 a real check failed, 2 the harness is broken.
Also confirms the real corpus still runs clean at exit 0.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Sweep 1 failed because ring_row scans the MAIN MENU's gutter and these screens put
their cursors elsewhere; sweep 2 failed because a whole-frame identity test cannot
match once a crash dialog covers the centre. This rework fixes both: the decision
uses the region that CHANGED when the cursor moved, so no per-screen geometry is
assumed, and the back-on-the-menu test is the narrow ring row, which is what kept
reading correctly under the dialog.
The self-test is sylpheed-port's sharpened rule -- a control must construct the
failure it is named after. Mine was one-sided: I checked only that the rule reports
RESETS on a known-RESETS triple, so a rule biased entirely to RESETS would have
passed. It now constructs both verdicts from the same frames and exits 3 if either
is wrong.
Committed BEFORE running, which is the process fix: the previous run aborted
because I was editing and deliberately breaking this file while its own run was in
flight, and the sweep read the broken version.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port found an asserting step in their suite that could not fail: a
swallowed the verdict. Tested the same thing here and both of mine had
it. check_refuted.py found a PLANTED unmarked revival, printed it, and exited 0.
impossibility_scope.py printed 'CONTROL FAILED' and exited 0 -- in a tool written
today, one message after they described the shape.
Now: unmarked assertions exit 1; a failed control exits 2. Suppressed mentions do
not fail, since they are unverified rather than wrong and failing on them would put
the clean state out of reach.
Controlled in both directions -- clean 0, planted revival 1, control passing 0,
control deliberately broken 2.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
The mission's third classification is 'undecodable, with reach', and a negative
written about the subject when it is about the method is the failure that put 'an
individual SE's audio is not extractable yet' at the head of a page whose own later
section located the waves.
The tool failed its control -- the one known instance -- twice. First the pattern
required a sentence-ending period, and headings do not end in periods, so it matched
nothing in any heading and a clean report would have been vacuous. Then the scoring
hid it, because 'yet' was in my list of scope words. It is not one: 'yet' and 'so
far' are temporal hedges naming no instrument, no search and no place looked, which
is exactly what made that heading read as bounded.
With the control passing, the two amplifier files are clean: every INDEX and HANDOFF
hit read, all legitimate. 130 unscoped candidates remain unread corpus-wide, and the
regex has a high false-positive rate -- recorded as reach, not as a clean bill.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
INDEX is read every iteration and is the first thing a new reader meets, and I had
admitted three times to never auditing it. Found by accident: I was about to spend
a boot measuring whether A skips a movie because INDEX said 🟡, when movie-binding.md
had it settled since 2026-08-28 with a three-boot baseline and a delivery counter,
and HANDOFF carried it correctly. The staleness was in the index alone.
Three stale rows fixed: movie skippability, SE audio extractability, and B leaving
the main menu. Five other hits read and left alone -- index and page were talking
about different clauses.
One of the three should have been caught by check_refuted.py: REFUTED holds the
same dead claim with a different second clause, and the register matches exact
wording. Its docstring documents that weakness; this is the first live instance.
Also flags a within-page contradiction not fixed here: menu-audio-cues.md line 81
still heads a section saying SE audio is not extractable, which its own line 189
refutes.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Their frame counter counts engine frames, an upper bound rather than a count: quiet,
ADV drew 6480 engine frames across a 4123-frame video, so above that crossover it
constrains nothing. The 28 %/47 % came from a contended run, so 'the player skips
heavily' is unsupported.
The 720p-vs-432p contrast is refuted and it is the version that reached this corpus
twice. Quiet, both videos run +6.7 %..+6.9 %, 5 runs, resolution-independent. The
-0.5 % was contention, not resolution.
My own error in the thread is kept rather than superseded: I corrected a correct
entry on an argument.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
BGM_103's loop bounds are bit offsets in the decoder context, and each wave's
duration follows from its declared byte rate, cross-checked against decoded PCM to
0.007 %. Cycle media length 62.34 / 63.29 s against 61.87 s wall: ratio 0.985,
where a uniform 8.5 % slowdown predicts 1.085 -- 10 % away and on the other side
of 1.0.
The method's error bar is its own 1.5 % self-disagreement between two stems that
must have equal duration, which is why the loop page refused this conversion for a
finer question. It is adequate for an 8.5 % effect.
Does NOT settle the frame clock: audio can hold real time on a timer while
rendering lags, and 27.6 fps and the 8.5 % splash excess are both frame-clock
numbers.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Sweep 1: ring_row.py scans x 500:542, the main menu's gutter. EXTRAS happened to
put its ring there; LOAD GAME, TUTORIAL and OPTIONS do not, so the reader found a
static element and all three voided on 'the ring did not move'. Differencing S1
against S2 shows the cursors moved at x 97..231, 338..1099 and 153..479.
Sweep 2: replaced the reader with a whole-frame comparison, controlled on the
EXTRAS frames whose answer is known. Then the guest crashed -- the already
documented STL map/set erase at PC 0x82307128, firing early in the boot, not
something B did -- and Xenia's crash dialog covers the screen centre, so a
whole-frame identity test can never match again. The narrow ring column the dialog
does not cover was reading correctly the whole time. I traded one blindness for
another, and did it because the first instrument had just failed.
Refutation attempt on 'B on a submenu restores the parent's focus' (4/4): it
SURVIVES, and the run I had written off is what corroborates it. The stuck frame
has the ring at y 303.5 = LOAD GAME, the item entered from. A fifth instance.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Now uses the shared measured reader, which refuses to name a row outside the
calibration rather than guessing. Replaying this run's stored frames through it
gives NEW GAME / TUTORIAL / TUTORIAL, which is what the corrected record says.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
The doubt was my own artefact: the entry dump printed only the first two sprite
names in HashMap order, making 11 and 14 look like different studios. Full sets
are identical.
7 of 8 pairs declare identical sprite sets, control included. 4/7 does not: entry
7 carries nine sprites entry 4 lacks, including ptlogo_jp and ptlogo_jpeff, so the
Japanese title is a different element inventory rather than the same screen
localised. That matches the JP capture work from the other side.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
menu_focus.py's row centres are design-space rows from screenshot output; my
probes fed it whole-display x11grab frames carrying Xenia's chrome and a surface
scaled 1.060. Caught by ground truth, not by a control: the probe announced 'on
EXTRAS', pressed A, and opened OPTIONS.
Measured directly with ring_row.py: initial focus on a fresh boot is NEW GAME,
2/2 fresh boots, both the first menu entry. That agrees with boot_menu.sh's own
line and menu-state-in-memory.md's four-downs, and withdraws this page's
'TUTORIAL 2/2' as the outlier.
Persistence stands and is now geometry-free -- 384.0 vs 385.5, 1.5 px apart. An
equality test is immune to a constant offset, which is why the conclusion survived
a broken reader when the published item names did not.
The control was structurally blind: 'two DOWNs move two items' tests relative
motion, and a constant offset preserves it exactly.
EXTRAS remains unmeasured; that run navigated to OPTIONS.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
F1 TUTORIAL, two delivery-confirmed DOWNs to EXTRAS, B to the title, A back:
F3 is EXTRAS. Re-entry restores the item you left.
Reframes the initial-focus disagreement rather than settling it: if focus
persists, any 'initial focus' reading not taken on a fresh boot's first menu entry
measures history. It still says nothing about what the menu opens on -- this run's
F1 was itself carried over from a prior probe's press.
Reached on the plate-pulse gate, not boot_menu.sh, whose stillness test cannot fire
on this title -- TITLE at 422.7 s on a boot skip_intro could not gate at all.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
skip_intro.sh admits a static screen at d <= 1500 between grabs 0.6 s apart. Over
72 samples of the failing boot the MINIMUM was 1551 -- zero could ever pass. The
timeout is unreachable by construction, not bad luck about intro length.
The premise is in the script's own comment ('the resting title barely changes')
and it is refuted by this session's own draw capture: the title free-runs two
full-screen-height sweep leaves and pulses the plate. HANDOFF already said a
settled screen is not a static screen. wait_plate_pulse.py, which counts glyph
pixels instead of demanding stillness, reached TITLE SETTLED at 245.6 s on the
same game the same day.
Threshold deliberately NOT raised: 7 of 72 samples fall under 2000, so a gate loose
enough to admit this title would also admit movie frames -- the confusion the
script's own header records paying for once already.
Cost recorded: the focus-persistence question it was booted for is unanswered.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
A real revival planted inside a paragraph that merely discussed corrections was
missed: the words 'refuted' and 'withdrawn' in the surrounding prose vouched for it.
Measured reach: 100 % of registered-claim mentions in the corpus are suppressed by
marker language, so the reported 0 was 0 regardless of whether any was live, and I
had been reading it as a pass.
sylpheed-port's token-based hook has the opposite bias -- it over-reports on
well-written corrections, which is the safe direction. Under-reporting is disguised
as success.
Fixed by making the suppression visible rather than removing it: suppressed mentions
are counted and listed with --show-marked as not verified, only vouched for.
Controlled -- the planted revival moves the suppressed count 8 -> 9 and appears in
the listing.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Coherence on BGM_103, the menu's bank, with controls run first: a real linear
filter of wave 0 reads 0.93-0.94 in every band, a different bank reads 0.001, and
wave 0 misaligned by 1 s reads 0.004-0.057. The measurement reads 0.027 at 1-4 kHz,
so the 'wave 1 is wave 0 filtered' model is refuted.
The frequency structure is inverted relative to any mic-pair or reverb model:
coherence rises with frequency (0.169 -> 0.827) while energy falls (71 % -> 0.2 %),
and a rear pair decorrelates fastest at HF. In the midrange the two waves are 13x
further apart than the two channels of one wave.
But the L-R control is what limits the tool and it is recorded as such: within one
wave, genuinely one performance in two channels, coherence is only 0.221-0.497. So
'same performance' does not imply high coherence here, my positive control was the
wrong model of the rear-pair reading, and the 🟡 is NOT settled. The tool tests for
linear filtering and neither surviving reading requires it.
Also corrects MISSION's Q10 row, which still carried the refuted three-sub-wave
premise and had directed work at a dead question for days. Its gate is in fact met.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Three refutations written as prose under ### headings never entered the register:
check_refuted.py parses * "claim" lines, so the count stayed at 188. Registered
them properly (188 -> 192). A register that parses one syntax silently ignores
every other, and it is invisible from the author's side -- ask the register what it
holds, do not re-read what you wrote.
Both standing false positives were bullets under a header that retracts the whole
list, with no marker in the +-4-line window: scope marks them, not proximity. The
scan now includes the nearest preceding header and matches markers
case-insensitively ('An earlier version' was missed by the marker 'an earlier
version'). Controlled by planting a real revival and confirming it is still caught;
register now runs clean at 0.
Also records sylpheed-port's diagnosis of the phase-lock fallout: a number can be
inapplicable rather than wrong, and a tension built on one is manufactured. Plus
their point that some claims are not registrable in a substring register at all.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
The occlusion hypothesis is refuted: build 7 draws the same three ROT strips at
higher alpha than English, so there was never an absence to explain.
The 0.32-vs-11.9 tension that motivated it was an artefact of my own instrument.
Both JP captures were shuttered on the plate pulse, and the plate's pulse is part
of the animation -- so the gate synchronises the shutter to the animation's phase.
Measured at the shutter instant, the sweep sits 25-26 px apart across two runs in
different locales and different sessions: 1.6 % of a ~1600 px traverse.
So the 0.32 I recorded as between-session capture noise measures my trigger's
repeatability, and I read it as evidence the title is still when it is evidence
the gate works. The era adjudication is unaffected -- margin 16.72 clears even the
un-locked 11.9 -- and unaffected for the reason that file already gave: correlated
noise cancels in a margin.
Refutation attempt on sylpheed-port's positional-mechanism rejection: FAILED, the
claim stands. Its residual sits inside lit logos, and the logo ROI is
byte-identical across five differently-phased frames in two sessions.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port's check-claims fails their run when a refuted claim is quoted
without an explicit token, and feeding it four withdrawals flagged three still
asserted unmarked -- each inside a correction they had written. REFUTED.md
publishes deaths without enforcing them, which is the gap I named last iteration
and did not close.
check_refuted.py is the prose equivalent: for each quoted claim in REFUTED.md it
searches docs/ for that text and reports occurrences whose neighbourhood carries
no refutation marker. Controlled first -- a claim planted unmarked in a scratch
file is detected, so a clean run means something.
9 raw hits, ZERO real revivals. All false positives, and the kinds are the
finding: 2 were text explicitly DECLINING to revive a claim; 1 a duplicate report;
4 were BACKLOG.md entries under a 2026-08-12 header, an append-only log recording
what was believed then; 2 were the claim quoted inside its own correction.
The structural limit is worth more than the clean result. A neighbourhood-language
detector cannot separate "asserted now" from "recorded as believed then", because
a dated log entry and a revival read identically. The port's design avoids this by
testing for a token an author must PLACE rather than for language -- theirs fires
correctly inside a correction, which is what caught their three, while mine fires
incorrectly there and would miss a revival reworded.
Stopped tuning at two remaining. Each marker phrase added fits the detector to this
corpus's habits of expression and away from being a test of them; tuning until it
reads zero would be fitting the instrument to the answer. Left over-reporting,
which is the safe direction.
Reach: it matches a claim's exact wording, so "no verbatim revival" is not "no
revival".
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port confirmed "nothing declared predicts the gap" from their export
independently, and deliberately declined to search combinations: four pairs
against many candidate two-screen functions fits by construction. Right call, and
it applies to me unchanged. So this iteration adds a PAIR rather than a fit.
menu -> a second screen outside GP_TITLE, reached by stepping the cursor two
items before arming. The button is not controlled -- there is no focus readout --
so the destination is identified afterwards by its draw signature: incoming
primitive [255] at 7-9 draws/frame, against the first run's [127] at 12-13.
Different screens.
Outgoing quad rises 25, 51, 102, 229, 255 across frames 37-42, then at frame 44
the new screen is already drawing. NO empty frame anywhere. GAP = 0.
So the menu as origin gives four values across four destinations: title 0,
EXTRAS 1, other-1 1, other-2 0. The same origin yields both 0 and 1 depending on
where it goes, while the two repeated pairs stay internally identical (3,3,3 and
2,2). Further evidence for the ordered pair over the origin.
Recorded as an observation with its counter-example rather than fitted: the
incoming screen's own full-screen primitive is [255] where the gap is 0 and [127]
where it is 1, which suggests a screen beginning from opaque black needs no blank
frame. That FAILS on menu -> EXTRAS, which declares a black backdrop and still
gives 1. Nine transitions against many candidate functions is the construction
the port declined to search, and I am not searching it either.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port promoted my unverified "EXTRAS is stuck at n=1, a structural limit"
out of a message into DECISIONS.md as an established fact, while holding the file
that refuted it -- their own authored/flow.json, recording ptbtn11 ->
GP_MISSION_SELECT. Their corollary is sharper than my original entry: distrust
"structural" and "impossible" hardest when SOMEONE ELSE writes them, because they
arrive without the doubt the author would have had.
Swept this side for the same shape. It is clean: port-supplied figures are
attributed in the text ("port reports 866 keyframes ... 0 untimed"), the
ui_layout.rs comment on the unreachable fallback cites MY OWN measurement of 0
untimed of 24 811 across 965 builds rather than their 866, and their quantisation
floor of 0.41 appears in no document of mine at all.
Reach stated: this tests attribution WORDING and the port-supplied figures I could
enumerate, not every reliance. A negative from a naive check is not proof of
absence, and saying so is the point of recording it.
What protected it was a habit rather than vigilance -- writing the source into the
sentence. That is now the third instance of one remedy: state what the number is a
number of; write the index space into the token (e10 rather than "build 10"); write
the source into the claim. Put the qualifier in the text, never in the reader's
memory.
Also fixes the half-guard the port called out. The effective-config block reported
`arming on` from screen_id.py, which cannot separate the main menu from EXTRAS --
so it announced "menu" while the run was armed on EXTRAS, a field the guard could
not resolve for exactly the two screens in question. It now prints both that value
AND the discriminator with its margin, so the ambiguity is visible rather than
hidden. NOT yet verified in a run -- per the port's own --no-hold lesson, parsed
and edited is not working.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
I recorded EXTRAS as able to supply only one gap measurement because "its sole
exit is (B) to the menu", and called that n=1 STRUCTURAL -- a word that retires a
question. The disc refutes it in one command: build 6 declares three buttons,
ptbtn11/ptbtn12/ptbtn13, all kind 0x3002. The cap was an unverified assertion I
had already written into HANDOFF twice.
Measured EXTRAS -> a screen outside GP_TITLE via (A): outgoing quad rises across
frames 36-40 (4-5 frames, matching build 6's declared 10-unit close), then THREE
empty frames at 42, 43, 44, then a different archive builds (23-28 draws/frame
against GP_TITLE's 11-14). Gap = 3.
So EXTRAS as outgoing gives {2, 3}, and seven transitions now group as:
menu {0,1,1} n=3, EXTRAS {2,3} n=2, title {3,3,3} n=3.
A pairwise control that holds the destination class constant: menu -> another
archive gives 1, EXTRAS -> another archive gives 3. Same kind of destination, gap
differs by outgoing screen. That is the strongest support yet for the
outgoing-screen dependence because it removes the destination as the variable.
But the clean ordering is GONE: EXTRAS {2,3} and title {3,3,3} overlap at 3, so
"menu < EXTRAS < title" no longer separates them. What survives is weaker -- the
outgoing screen constrains the gap to a ~2-wide band and the bands are not
disjoint.
METHOD: a structural limit is a claim and needs checking like any other.
"Structural" and "impossible" are the two words most worth distrusting in your own
notes, because they retire a question rather than answering it and nothing later
re-opens them.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port's BLOCKED row asks for a second value on one outgoing screen --
what would make "the gap tracks the outgoing screen" predictive rather than a
restatement of the data.
First, a correction their ask surfaced without needing a run: THE MENU ALREADY
HAD TWO VALUES AND THEY DIFFER -- 0 leaving for the title, 1 leaving for EXTRAS.
So "the outgoing screen determines the gap" was too strong and is withdrawn; what
holds is an ordering, not a determination. Also recorded: their ask is answerable
only from the menu, since the title's sole exit is (A) to the menu and EXTRAS's
sole exit is (B) to the menu.
Then took a third menu-outgoing measurement, to a screen outside GP_TITLE.
Confound named in advance rather than after: that transition leaves the ARCHIVE,
so a pak load could inflate the gap for reasons unrelated to the outgoing screen.
Result: outgoing quad rises across frames 24-28 (4-5 frames, matching build 5's
declared 10-unit close), then ONE empty frame at 30. Gap = 1, identical to
menu -> EXTRAS. So the confound is measured ABSENT -- leaving the archive costs no
extra black, which is worth having on its own.
Six transitions now group as: menu {0, 1, 1} over three different destinations
including another pak, EXTRAS {2}, title {3, 3, 3}. The ordering rests on 3+1+3
measurements and the menu's three agree to within one frame.
Still not predictive: outgoing closes are 5, 5, 4 frames against gaps {0,1}, {2},
{3}, and EXTRAS has n=1 with no way to obtain a second value.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Applied my own log-line rule to my own instrument first, which is the "rule
written down is not a rule applied" failure I have on record three times. Every
branch of fade_decompose.sh now announces its EFFECTIVE configuration -- derived
from the variables in force, not from $WHERE, per sylpheed-port's sharpening --
and the run REFUSES if no branch announced itself. That is the guard that would
have caught last iteration's silent fall-through at a glance.
With it in place, took the measurement that failed last time: menu -> EXTRAS, the
reverse of the pair measured at a 2-frame gap. Navigation verified both ways
(extras margin 11.23, back on menu 11.60) and the config block confirmed the right
branch.
Result: outgoing quad rises across 5 frames matching build 5's declared 10-unit
close, then ONE logged empty frame. Quoted as 1 with an upward uncertainty, since
its two neighbours carry no frame header at all.
Five transitions now order by the screen being LEFT:
menu -> title (B) 0 outgoing menu
menu -> EXTRAS (A) 1 outgoing menu
EXTRAS -> menu (B) 2 outgoing EXTRAS
title -> menu (A) x3 3,3,3 outgoing title
Direction is ruled out: EXTRAS->menu (2) and menu->EXTRAS (1) are the same pair
both ways and differ. Button is ruled out: (B) gives 0 and 2, (A) gives 1 and 3.
Incoming screen is ruled out: an incoming menu takes 3 from the title and 2 from
EXTRAS.
NOT a rule, and recorded as such. Three outgoing screens with one value each means
"each outgoing screen has its own gap" restates the data rather than predicting,
and nothing declared predicts it -- outgoing closes are 5,5,5,4 frames against
gaps 0/1,2,3, inverted if anything, on three points.
What it changes for the port: a UNIFORM black_hold_units is now positively
excluded rather than merely unsupported.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Set out to measure menu -> EXTRAS, the reverse of the pair measured at a 2-frame
gap, to test whether the black gap is a property of the screen pair or of the
direction. The run did not do that.
A three-part patch to fade_decompose.sh asserted two of its three replacements
and left the third -- the branch condition -- unchecked. It silently failed, so
WHERE=menu2extras fell through to the `title` branch. The capture is well-formed
and is of a different transition than intended, which is the build-ordinal error's
shape again: right-looking output for the wrong object. What caught it was the log
LACKING the navigation lines the intended branch prints; the data itself looked
entirely fine.
Salvaged, because the accidental transition is one already measured twice:
run outgoing ramp black incoming decay
1 67-70: 63,127,191,255 3 73-77
2 64-67: 63,127,191,255 3 70-74
3 92-95: 63,127,191,255 3 98-103
Three independent runs, gap = 3 frames every time, outgoing ramp byte-identical
in all three. That takes "the black gap is not a load" from two replicates to
three, and makes the 4-frame outgoing ramp as solid as anything measured here.
menu -> EXTRAS remains open; the condition is fixed (with an assertion this time)
and the run has not been taken.
METHOD gains two entries. Assert every edit, not most of them -- and have each
branch announce itself in the log, so a run that took the wrong path says so
before its numbers are read. And: "appears nowhere in crates/" is a claim about a
TREE. sylpheed-port found SYLPHEED_KF_TIME_SHIFT live at ui_layout.rs:497 on their
branch, which carries the stale era; both statements are true of different trees.
With main 145 commits behind and each agent on a topic branch, any claim about
what the code contains needs its ref attached.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port found the fifth member of our error family on their own side: their
"visible" test counted any element with alpha > 0, which includes palogo_eff0.
Verified from the disc rather than accepted --
entry 10 [0] palogo_eff0.prm 1 kf t=0 fade=0xff000000 scale=100x100 pos=(0,0)
entry 11 same
Alpha 255 over RGB 000000: full-screen opaque black, drawn from t=0 and showing
nothing. So "any element drawn" reports these screens visible from t=0 while the
frame is black -- "visible" read as "drawn".
Worth having on its own: this verifies from the disc the premise behind
`screen render --black`, which its own help states as "what the game composites
over on a screen carrying its own background". On the splash builds that
background is DECLARED, not assumed.
METHOD gains their amendment, which is the sharpest formulation either of us
reached this week: all five instances are a failure of a NOUN, not of a number.
Extent, bounding box, duration, span, visible. The number was always correct FOR
SOMETHING; what went missing was which thing. Every other check in that file
tests whether a number is right, and not one tests whether it is a number of the
thing you think.
Also teaches fade_quads.py to address a PAK ENTRY directly (`e10`) rather than
only a build ordinal. The splashes are entries 10/11 and are not screen builds,
so no ordinal addresses them -- and writing `e10` states which index space is
meant, which is the standing lesson of build-ordinal-vs-entry.md.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Clearing my own debt: I withdrew navigation.md's "boot title accepts a single A"
counter-example as confounded by three concurrent emulators and never re-ran it,
which left the claim unsupported rather than settled.
Clean trial: exactly one emulator verified by count, gated on the plate pulse
(glyph in [500,2500] held 12 samples) so the press lands on the BOOT title rather
than the attract loop's, delivery confirmed at [file-pad] keystroke vk=5800
down/up. Glyph after the press is 0 at +2 s and +4 s -- the transition -- then 327
steady from +6 s through +39 s.
327 is a proxy and reading a proxy is the habit this corpus keeps cataloguing, so
the screen was checked with which_title_screen.py instead: main_menu at RMSE
19.91 and 20.08 with margin ~10, inside the 9.9-11.7 band its control establishes
on four known captures. The before frame gives the "neither" signature at margin
0.10, correctly, since the title is neither main_menu nor extras.
So the count is 3 of 3, the latency is 4-6 s -- which is why a script that
presses and looks 0.5 s later concludes the press was dropped -- and the two
earlier failures were the confound, not the game.
Refutation attempted: sylpheed-port's leaf segment rates. Derived independently
from the disc and they SURVIVE exactly -- pteff03 +4.0000 then +4.0000 then a
hold, pteff03a -4.0667 then -4.0625 then a hold. So their inversion stands: my
linearity gate fails on the leaf whose declared track is perfectly straight.
And records the third structural consequence of main being stale, which they
raised: HANDOFF.md is the delivery contract and it lives on an unmerged branch,
so their checkout contains none of this week's entries. Findings written into the
contract reach them only through messages -- the channel the protocol says does
not count as delivery. Writing it in the contract is necessary and not sufficient
when the contract lives where the other party cannot see it.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
The frame-rate test sylpheed-port and I agreed was the only clean route left.
Same strips, same screen, --framerate_limit=15 against the default. The limit
demonstrably took effect: the title settled at 862 s against 241 s.
First, a gate this work should have had from the start. A slope is only a rate if
its residual is random, so count sign changes in the residual:
default 1299x1303 -4.348 rms 3.33 43/111 OK
883x1134 +4.284 rms 3.08 21/76 SYSTEMATIC
890x1134 +4.284 rms 3.19 15/54 SYSTEMATIC
limit 15 1299x1303 -2.032 rms 1.51 44/83 OK
883x1134 +2.003 rms 1.12 36/61 OK
890x1134 +1.999 rms 0.74 12/37 SYSTEMATIC
So one of the two strips I quoted as "agreeing to three significant figures"
FAILS the linearity gate at default fps: that agreement was between a rate and a
slope through a curve. The port had already caveated the claim for a different
reason; this weakens it further from my own side.
The result, on the one group passing the gate at both settings: -4.348 px/frame
at default against -2.032 at limit 15, a ratio of 2.14.
THE LEAF IS NOT FRAME-LOCKED. A fixed number of units per submitted frame
predicts px/frame unchanged; it changed by 2.14x. Dead.
A simple wall-clock model is dead too, in the other direction: fewer frames per
second means more wall time per frame, so a time-driven leaf should move MORE
px/frame at a lower limit. It moved LESS. Neither model fits and I have no third.
Reach: the effective frame rate was NOT measured. The timing instrument I added
polls for the capture log, which is created when the capture is ARMED rather than
when it finishes, so it reported 0.728 s and is void. The 3.6x boot slowdown says
the limit took effect, not that fps went 28 -> 15. The RATIO is measured; the
absolute rate still is not.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
The withdrawal last iteration was caused by `rm -f /tmp/xenia-canary.lock` --
the obvious way past a lock orphaned by kill -9, which also disables the guard
for every later launch. Three instances ended up live at once, sharing
/tmp/xenia_pad.txt and display :98, and silently confounded an input experiment.
Care is not a fix, so this is tooling. ensure_single_emulator.sh counts live
instances, stops them (plain kill, then -9, each with a bounded wait), verifies
ZERO, and only then removes the lock -- refusing loudly if any remain. The lock
is never removed before the condition it guards against is verified absent.
FOUR scripts did the bare `rm -f`, and only two were mine from today:
menu_loop_session.sh, title_draw_capture.sh, poke_control.sh and
resume_reliability.sh. So the footgun was corpus-wide rather than introduced
this session. All four now route through the guard.
The guard is controlled rather than assumed: run against a deliberately started
live instance it reports "1 instance(s) live -- stopping them", ends at 0 with
the lock cleared, and exits 0. A guard that only ever passes on an already-clean
slate would prove nothing.
It also kills by process NAME. `pkill -f xenia_canary` matches the shell running
it -- that has now cost this corpus three commands, one of them a cleanup that
died halfway and left the very instances it was meant to remove.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
While chasing the draw-stream question I found THREE xenia instances running
simultaneously (started 15:39, 15:44, 16:12), which violates the "one emulator at
a time" hard rule and confounds the finding I recorded last iteration.
All three read the same /tmp/xenia_pad.txt and share display :98. A press written
to that file is delivered to EVERY instance, while `screenshot` grabs whichever
window is topmost -- not necessarily the one that acted on it. So "(A) was
delivered and the screen did not change" may simply be two different emulators,
and the keystroke-level confirmation proves only that SOME instance received it.
The navigation.md entry claiming the boot title's "2 of 2" is no longer 2 of 2 is
withdrawn as unsupported, pending a clean re-run.
The cause was mine. run-canary's lockfile is the IMPLEMENTATION of the one-at-a-
time rule; a kill -9 orphans it, and the obvious unblock -- rm -f the lock --
also disables the guard for every later launch. I did that more than once today.
METHOD gains two entries. A lockfile is the rule, not an obstacle to it: clear a
stale lock only after confirming zero live instances, and COUNT them rather than
trusting a kill landed, because a plain kill is asynchronous and a -9 on a stuck
process can take seconds. When a guard blocks you, the question is whether the
condition it guards against is present, not how to remove the guard.
And a third instance of pgrep -f matching the shell that runs it -- this time it
killed a cleanup command halfway through, leaving the emulators alive and the
lock in place. Already recorded for wait-loops; promoted to "reach for -C first".
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port noted that build 5's ptloop parent can be static while the leaf
record animates, and asked me to check it against my table. My own corpus
refutes my claim outright.
ptloop-leaf-sweep-positions.txt -- written earlier in this same corpus -- records
ptloop01.rat's nested record at loop length 600, whose leaf pteff03.t32 sweeps a
400 px-wide quad with its centre running x~921->1041 over t=340..370. The
parent's declared rect is (441,270) 200x90. The leaf draws 300 px outside it: the
parent rect is a PIVOT ANCHOR, not the drawn extent.
Checked against the two JP captures: my measured rect differs by 0 px -- and so
does the whole dead region y 270..450 x 480..960 around it -- while the band the
sweep actually occupies (x 721..1241) differs by 44 025 px. The zero was measured
where nothing happens.
So the port's reading is right and now confirmed from the disc: parent static,
leaf animates, and the two nested records cycle at DIFFERENT lengths, 600 and
720. My "single static keyframe" described the parent only. The era adjudication
is unaffected -- its box overlaps the sweep band only at x 721..776, which shows
no between-session differences.
The menu-loop question is still unsettled after a second attempt, and the second
attempt's failure REFUTES my diagnosis of the first. menu_loop_probe.py gated on
the plate pulse (glyph in [500,2500] held 12 samples), fired at t=484.5 s with
glyph 1723 -- a verified settled BOOT title, not the attract one -- pressed A,
and the press was delivered ([file-pad] keystroke vk=5800 down/up, 8 RE-INPUT
lines). Twenty seconds later all five frames still classified as the title
(rmse ~67-70, margins 0.06-0.16, the "neither" signature; screen_id says title).
So "the attract title accepts nothing" does not explain attempt 1, and the
corpus's "the boot title accepts a single A, 2 of 2 runs" is no longer 2 of 2.
METHOD: a declared rect can be an anchor, not an extent -- confirm an element
draws in a region before diffing that region to ask whether it moves.
navigation.md: confirm the screen changed, do not infer it from a delivered
press.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port found ptloop01/02 free-running in their renderer on the menu path,
pinned them, and was explicit that pinning picks one pose rather than the game's:
"a capture question, not a harness one". It is, and it lands in my lane.
On the title it is now answered. Those leaves rest at (441,270) 200x90, INSIDE
the box the ptlogo_eff3 era adjudication uses, and across my two JP captures from
different sessions they are byte-identical: 0 of 18 000 px, max |d| 0, against a
whole-frame contrast of 116 492 px differing. So they are static at rest, and the
in-box between-session noise of 0.32 is not theirs -- the 645 differing pixels
all lie in a 30-row band at y 99..128, nowhere near the loop rect. That also
closes the reach caveat on the EN->JP noise transfer.
The MENU is a different bundle and is not settled. Build 5 declares the same rect
with a single static keyframe, and that is where their row drifted.
menu_loop_rest.sh was written to capture five settled menu frames and diff the
rect; it did not complete. The run reached a title at t=146 s and (A) did not
take across six attempts -- the documented intermittency where the attract loop's
title accepts nothing, unlike the boot title. Recorded rather than re-rolled.
Two committed main-menu captures cannot substitute: they differ across 57 % of
the surface (different geometries and capture paths), so the 88 % differing on
the loop rect measures the mismatch, not the loops. The control fails and the
comparison is void.
navigation.md gains the trap that cost this iteration a run: kill -9 on xenia
orphans /tmp/xenia-canary.lock, the next run-canary refuses to STDERR where a
polling script never looks, and a probe then sampled a dead display for 484 s
reporting `other` every 4 s -- because screen_id.py on an empty screen returns
`other` and "not the title yet" is indistinguishable from "there is no emulator".
Kill plainly so it clears its own lock, and assert the emulator is alive before
entering any wait loop.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Last turn I transferred the EN title's capture noise to the JP box and flagged
the gap: build 7 carries ptloop01/02.rat which may animate inside that region
where the EN plate does not, and the era adjudication rests on a single capture.
Took a second, independent capture from a fresh boot in a separate session
(jp_title_session.sh -- sets ja, captures, always restores en; verified back at
language=1).
Within-run stability reproduces: 0 of 138 600 px in the ROI across four
comparisons, with 47k-73k px moving whole-frame as the contrast control.
BETWEEN SESSIONS, inside the box the adjudication uses: 645 of 164 124 px
differ, RMSE 0.3215, against 116 492 px whole-frame -- genuinely different
sessions. And the verdict reproduces to three decimals: stale 58.412 -> 58.413,
fixed 41.690 -> 41.692, margin 16.722 -> 16.721.
The shape is the useful part: capture noise moves both candidates together, so it
nearly cancels in a MARGIN. Absolute scores moved 0.001-0.002 while the margin
moved 0.001 against an in-box noise of 0.32. A margin between two renders scored
on one capture is far more robust than either score is.
CORRECTION to a claim I made earlier today and sent to the port: I said the
settle-vs-rest negative was STRENGTHENED because 1.48 sits below the whole-frame
capture spread of 2.8. Wrong comparison -- the measurement lives in the box, and
in-box between-session noise is 0.32, so 1.48 is well above it. The negative
rests on the render axis alone (1.2, ratio 1.2x), exactly as first stated. I
reached for a number that was to hand rather than the one that applies, which is
the same family as the errors we have both been cataloguing.
METHOD gains: match the noise floor to the quantity, including which noise
applies; and sylpheed-port's point that an instrument which rounds away the thing
being verified cannot verify it (they called a harness reproducible from an RMSE
printed to two decimals when the residual was 0.0565).
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port's BLOCKED.md ask #1. They declined to suppress their uniform
black_hold on the cancel path because (B) menu->title was one transition. The
test says they were right.
EXTRAS -> main menu, also via (B): the outgoing quad ramps frames 34-38 (5
frames, exactly build 6's declared 10 units), then frames 39 AND 40 are
completely empty -- 3 draws, zero textured, a harder black than either earlier
capture -- then the incoming menu's quad decays 41-45. So (B) does not imply a
cross-fade; menu->title is the outlier of three, and the generalisation I was one
step from publishing is false.
The screen was verified, not assumed. screen_id.py cannot separate EXTRAS from
the main menu, so which_title_screen.py checked the armed frame: extras 18.58 vs
main_menu 29.85, margin 11.27, inside the 9.9-11.7 band its control sets on four
known captures.
Three transitions now agree on one thing and disagree on another:
outgoing ramp = the declared final ramp, THREE FOR THREE, against three
different declared values (10u/5f, 8u/4f, 10u/5f), and exactly linear where
nothing overlaps it. Authorable from the file.
black gap = none / 3 frames / 2 frames. Not a per-button property, not a
per-direction property, not a constant. black_hold_units should not be
authored as one.
Build 5's incoming ramp is confirmed at 12 units by its RATE rather than its
count: the count came out 5 against a predicted 6 in both runs -- reproducible,
so not noise -- but capture 3's steps are -21, -42, -43, -42, i.e. 255/6 per
frame after a half-step start. Capture 2's decay does not fit that and is
unexplained.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
sylpheed-port's BLOCKED.md ask #1 -- does (B) from EXTRAS also show no black
interval, or is "(B) has no black" one screen pair -- needs the harness to know
it is on EXTRAS. screen_id.py cannot tell: both are dark blue GP_TITLE screens
and it reports `menu` for either.
which_title_screen.py correlates a grab against our build 5 / build 6 renders.
First version FAILED its control: it called live-main-menu.png "extras" and
live-extras.png "main_menu", both backwards, margins under 1.1 on RMSE ~33.
Cause: it applied the y=45 game-surface offset unconditionally, but only a full
1280x720 display frame has the menu bar -- a 1279x675 grab IS the surface, and
two of the three reference captures are surface-sized. Offset made conditional;
the control now passes 4/4 with margins 9.9-11.7 against ~18 within-class.
The tool is a navigation aid for driving the emulator and says so: it identifies
a screen by agreeing with our own renders, so nothing measured may rest on it.
Also records the METHOD entry sylpheed-port offered from their own wedged check
script: an absence of output is not a status. They reported "still running, two
lines, both ok" for three iterations while the first attempt had died silently
under its own timeout with block-buffered output -- zero information, reported
as patience. An orphan from an older form of the same script was found running
after 9.5 hours. Line-buffer and bound long jobs, and check the artifact rather
than the exit code: the artifact reached its correct duration while the process
never returned.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Last iteration left an unidentified full-screen untextured quad decaying
255->15 during a menu->title transition, which build 5's declaration does not
account for. Hypothesis: it is the INCOMING screen's own pteff00, which opens at
a255 and clears. 8 frames matching build 4's declared 16 units is a FIT, so the
test was a transition whose incoming screen declares something else: title->menu
brings in build 5, 0->12 = 12 units = 6 frames. Prediction recorded before the
run.
Measured: menu->title decay 8 frames (incoming build 4, declared 8), title->menu
decay 5 frames (incoming build 5, declared 6). Different incoming screen,
different decay, in the predicted direction. The second is one frame short of
prediction, inside the documented +-1.
The tell that clinches it: a screen contributes TWO primitives, pteff00 at 255
and pteff02 at 64. The settled menu's untextured set is [64]; at frame 34 it
becomes [64, 255, 64] -- build 4's opening pair, which no single element
explains.
Bonus, and it closes the alpha puzzle: in capture 2 the outgoing quad ramps with
no other untextured quad present -- 63, 127, 191, 255, steps of exactly 64, four
frames, against build 4's declared 261->269 = 8 units = 4 frames. Exact and
exactly linear. Capture 1's 102/127/255 was a composite of two overlapping
quads, as sylpheed-port proposed.
The thing neither of us predicted: the two directions are not the same shape.
(A) title->menu is SEQUENTIAL with a real black interval of 5 frames (~10 units,
against the port's authored 9). (B) menu->title is a CROSS-FADE with no black
interval at all -- the incoming title starts drawing at frame 34, before the
outgoing menu's quad begins ramping at 40. Authoring one hold for both directions
inserts black that (B) does not have.
Also fixed: fade_pair.py's automatic rising/decaying classifier worked on capture
1 and produced nonsense on capture 2, where the title has no full-screen
primitive at rest and the heuristic latched onto a transient. It now prints and
does not decide.
Refutation attempted: sylpheed-port's structural prediction of a 6-frame decay
for an incoming menu. Measured 5. Survives as direction, one frame short as
duration; recorded as both.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
screen-transitions.md carried a 14-unit "black hold" that the page itself
flagged as arithmetic rather than measurement. Measured it against the running
game; the guess was wrong, and finding the instrument to measure it turned up a
second, larger error in the same page.
1. fade_quads.py was STALE. It read each pose's time from blk+36 -- the next
record's time word -- the association the keyframe record-layout fix retired in
the crate. sylpheed-cli was rebuilt at the time; the Python helper was never
swept with it. Signature: it cannot time a group's last pose, so it printed a
trailing `t=-`. Fixed, controlled against the rebuilt `screen info` ([0 12 70
80] for build 5's pteff00.prm).
2. Through it, the page labelled the quad's CLEAR-hold as its fade-in and
published 0.87 s / 0.97 s / 4.08 s for a ramp that is 0.20 s / 0.20 s / 0.27 s.
A port pacing its menu fade-in off that would run it 5x too slow.
3. The measurement. fade_decompose.sh boots to the main menu, arms the UI draw
capture there, then presses (B), so one 260-frame window holds the whole screen
change. The fade quad is identified rather than guessed: a .prm carries no
tex[base=] and paints last, so it is the last full-screen untextured quad of a
frame. Control first -- the quad's ramp is decoded at 10 units = 5 frames, and
measures 4 submitted-frame steps with one unlogged frame in the span.
Result: content elements begin fading at frame 34; the black quad first appears
at 40 and is opaque by 43; the menu's last frame is 45; frame 46 has 6 draws
against 12. So the ~14 extra units are the content's own fade-outs OVERLAPPING
the quad's ramp, not a hold after it, and the inter-screen black is one frame.
Refutation attempted: sylpheed-port's entries 13/14 twins. Re-derived off the
disc -- 3.06 / 4.33 / 47.91, identical to two decimals. Recorded as confirming
their addressing and arithmetic, NOT as independent support: same renderer,
same disc, which is their own rule.
Reach: one transition, one run; the frame axis has gaps (232 headers over frames
3..260), so every span is +-1 frame.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Asked for by the port: its title_jp row drifted, localized to a 350x396 block at
(405,74) -- the logo stack -- and with no JP capture in the corpus it could say
the renderers moved apart but not which one moved.
Three earlier attempts failed to reach the interactive title in either locale.
The reason is now known and was never the locale: A at the title needs a
signed-in profile, and no run had one.
Locale set through canary's own persisted XConfig and restored afterwards,
verified back at language=1. INDEPENDENT confirmation it took: the XMA probe
logged a different voice-context set from every English run (ja 1112064 /
1150976 / 1177600 against en 1294336 / 1118208 / 1171456), so the switch reached
the guest rather than being a menu-language cosmetic.
'At rest' is demonstrated rather than assumed. Five frames ~1.5 s apart after the
plate pulse says the screen has settled: the port's ROI is byte-identical across
all of them, max |delta| 0 over 138 600 px, while the WHOLE FRAME moves 39 584 to
71 927 px -- the plate pulse and sweeps. That contrast is the control: the
instrument can see motion and the ROI still shows none.
The capture shows what the English title does not -- the katakana subtitle, and a
crystalline burst behind the wordmark, the ptlogo3a/b/c + ptlogo_back2eff* stack
that this corpus records as transparent at rest in English. Exactly the region
the port's drift is localized to.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
The port's authored/flow.json stamped title/on_cancel_why = 'MEASURED, HANDOFF
Q5' for a clause whose evidence cell in the source table reads 'none'. It did not
invent that: HANDOFF's Q5 row opened with one **measured** covering six clauses of
different strength, and HANDOFF is the document it authors against.
Split per clause. Measured: initial focus varies; up/down move one item per press
and wrap both ends; left/right do nothing; B on a submenu restores focus 4/4; B on
the main menu goes to the title in <= 0.4 s with no loading screen. NOT measured,
evidence cell empty: 'no auto-repeat at the durations tried', and 'B on the title
-> nothing'. Both marked do-not-stamp.
Also splits the source table's own up/down row, which bundled 'one item per press'
(indirectly but soundly evidenced by the 4-press wrap count) with 'no auto-repeat'
(nothing behind it, and the hedge was carrying the claim).
METHOD entry: the failure is in summarising, not at either endpoint. The source
table was honest and the consumer cited its source; flattening six claims into one
adjective created a provenance nothing supports. A strength label is not
distributive.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
menu-navigation-semantics.md had this row at yellow with an EMPTY evidence cell,
and it is what the port still authors as on_cancel.
Delivery-confirmed via [RE-INPUT] (B is kXInputPadB = 0x5801), change detected
rather than timed. B delivered at 331.2 s; the glyph leaves 327 by 331.6 and
73.5 % of pixels differ. Both captures name themselves: PROJECT SYLPHEED with the
(C)2006,2007 SQUARE ENIX line.
Three things measured:
* B on the main menu goes to the title;
* latency <= 0.4 s at a 4 Hz sample rate, where the corpus previously had this
as 'not measured (a backlogged probe void)';
* NO loading screen in between -- the disc carries four pgloading_* bundles and
none appears on this path.
What the run CANNOT say, recorded in the table rather than glossed: 'B on the
title -> nothing' is still unevidenced. The second B was delivered during the
title's build-in, so the glyph 0 -> 154 change after it is the build-in
completing, not a response. A run that answers that row must wait for the title
to settle before pressing.
The 're-draws PRESS A after a beat' half of the first row is also still
unevidenced -- the run ended with the plate absent.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Third attempt at the .tbm question. All three fixes from the previous page were
applied and all three were needed: hold A for 0.5 s, confirm delivery from
[RE-INPUT] rather than from the pad, and detect the screen change instead of
timing it. Title at 288.6 s, both presses delivered on attempt 1, submenu at
303.4 s with 87.1 % of pixels changed.
The capture is 99.7 % inked and uniform top to bottom -- a full-screen
background. Our renderer gives 1.9-3.0 % for all 19 GP_SAVE_LOAD builds,
6.0-6.4 % for GP_TUTORIAL, 78.4 % for GP_SYSTEM 0/1. So two of the three
archives render essentially nothing where the game draws a full screen.
But WHICH screen was captured is not established, and the reason is worth more
than the run: correlation cannot discriminate when the candidate renders are
near-blank. All 19 GP_SAVE_LOAD builds score -0.004..-0.010 -- a ranking with no
information. A matching statistic is useless against a hypothesis that predicts
an empty image, which is exactly the hypothesis under test.
Focus could not be read either: the two labelled menu captures fit at 2.52 and
2.48 mean absolute difference, 1.6 % apart. That is a SECOND statistic failing on
the focus problem after the per-row brightness one, so it is an open item rather
than an oversight.
Kept regardless: the game surface sits at y=45 in the 1280x720 display frame,
fitting the committed 1279x675 captures to 2.5 mean absolute difference. That is
the alignment the earlier cross-geometry comparison got wrong.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Two runs, neither answering whether a .tbm draws pixels.
Run 1 TIMED the title->menu transition and was still on the title 8 s later
(glyph 714, the plate's pulse trough), so the second tap did the transition and
the 'submenu' capture is the menu. Void.
Run 2 DETECTED the menu instead -- glyph 327, matching live-main-menu.png
exactly -- tapped 0.8 s later, and 12 s after that was still on the menu. The
log says why: 2 file-pad vk=5800 lines, i.e. ONE press, and one RE-INPUT
delivery. The second tap was never delivered, with zero swallow lines so it is
not the sign-in path. A 0.12 s press issued while the guest is still loading a
screen is missed outright.
So 'the press did nothing' and 'there was no press' look identical from the
screen, and only the log separates them.
Worth more than the run: this is the third time in one iteration that timing was
used where detection was required -- the title->menu wait, the menu->submenu
wait, and the press itself. Each fix is the same substitution, and each was
written only after the timed version had produced a confident wrong answer.
Also records that no focus detector is needed for this question, since every
main-menu destination except EXTRAS carries a .tbm decider.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
The port found its exporter still shipping 'no loop-point field has been
identified anywhere' in the field manifest.json concatenates, days after the
correction existed in other fields. Auditing this corpus the same way found the
same failure here: the refuted sentence was still standing untouched in
bgm-two-stems.md -- where anyone looking up BGM behaviour arrives -- and in
HANDOFF.md, the one page the port is told to read. My correction had gone into a
NEW page only.
Both fixed in place, each naming the refutation rather than quietly deleting the
old claim, and each carrying the measured window [9.44, 71.31] s at 61.87 s.
METHOD entry: writing a correction down is not landing it. Grep the corpus for
the CLAIM, not for the file you were working in. Plus the port's trap in doing
that audit -- a replacement that quotes the refuted sentence in order to name it
will match a substring search from inside the paragraph saying it is false.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Tailing the log from BEFORE the music starts cut the unsampled backlog from 616
samples spanning offsets 32..2,559,033 to 125 spanning 32..515,239, so the first
pass is sampled like any later cycle. Offsets below loop_start play exactly once,
which is why the previous run could not measure them.
Wraps at 96.46 / 158.33 / 220.21 s, gaps 61.87 / 61.87, both contexts together.
Two derivations, neither converting bits to seconds:
(a) time to read_offset crossing loop_start, plus a 1.33 s head correction at a
rate measured on 748 timestamped samples of that same stretch
(b) first pass (offset 32 -> loop_end) minus the cycle
Both give 9.44 s on both contexts -- four numbers, one value.
So the loop region is [9.44, 71.31] s of an 87.744 s wave, cycling every 61.87 s.
The first 9.44 s is an intro played once; the last 16.4 s, the fade-out
bgm-two-stems.md documents, is never played at all.
The decoder reads ahead of playback, but both endpoints are read_offset events so
the lead cancels in the difference. One boot, one bank.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
Settles the conflict by timing the loop instead of converting it. A tailing probe
stamps read_offset with the wall clock as each log line arrives, so the period
needs no bits-to-time step -- the step already shown to be invalid.
Three wraps, each exactly loop_end -> loop_start, and BOTH CONTEXTS WRAP AT THE
SAME INSTANT all three times. That is the property two stems of one performance
must have and the one the linear conversion could not deliver (62.34 vs 63.29 s
would drift a second per cycle).
Cycle 61.56 and 62.06 s, mean 61.81, against the audio autocorrelation's 61.93 --
0.2 % apart from instruments sharing nothing.
Linearity refuted a second time and internally: the fitted rate over 10..60 s is
341 394 bits/s while the cycle covers 22 034 741 bits in 61.81 s = 356 491
bits/s, 4.4 % apart inside one stream.
My own audio locator's PLACEMENT is refuted. loop_start at 3.6 M bits is 11.6 %
of the stream by any reading, ~10.1 s at the cycle's own mean rate, against the
0.25 s that page reported -- for the reason already suspected, that its control
matched slices cut from the wave itself and never tested the aliasing the real
problem has. The length was right and the span was wrong.
Still not measured: loop_start in seconds. Offsets below it play exactly once and
this trace stamped that whole stretch at t=0.002, swallowing the log backlog in
one read, because it started after the music. The fix is to start the trace
before tapping into the menu -- one line, not done.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
240 s parked on the main menu, reached by using the XMA probe log as the screen
oracle instead of video -- the route the previous iteration wrote down. Menu in
26.8 s against never-in-378 s for the video rig, guest at 0.92x, capture at
0.08 % silence against the recipe page's own best of 0.31 %. BGM_103's contexts
verify the screen and no ADV context appears afterwards, so the attract loop
never took over.
Three results, two instruments.
NO SEAM: zero runs >= 0.3 s below median-18 dB in 232 s. The port's 3.4 s
near-silence is a property of its authored loop, not of the game.
NOT THE WAVE LENGTH: autocorrelation r at 87.750 s is -0.009 on four independent
windows; the top lag is 61.909 s with a 2x harmonic. Estimator controls recover
87.750 and 60.000 exactly.
61.93 s, INDEPENDENTLY: locating 30 s slices of the capture inside the decoded
summed waves shows playback advancing exactly +5.00 s per 5 s and wrapping at
61.93, from three wraps. Control: slices cut from the wave itself at 10/45/70 s
are found at 10.00/45.00/70.00. Two points mis-lock where the slice straddles a
wrap and they carry the two lowest scores in the table.
Offsets span 0.25..57.18 s of an 87.744 s wave, so the loop is [~0, 61.93) and
the final ~25.8 s is never played -- exactly where bgm-two-stems.md found the
fade-out and trailing silence. The game loops before the fade, which is why
there is no seam.
Also corrects my own '8 of 10 three-chunk regions start mid-stream'. The port
counts 25 three-chunk regions; it is right that both numbers cannot describe the
same set. My audit run was CUT SHORT -- the committed file ends mid-list with no
summary line -- so that was a ratio over an unknown fraction of the population,
and the claim that the defect is specific to multichannel regions is now
unsupported. The ADV verification and the fix's own sweep are unaffected; that
sweep ran to completion and printed its totals.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
