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port: state of the port, and a premise I built on for a week without checking

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Every asserting check passes and the oracle rows are at the tone floor:
title_plate 0.00%, both splashes 0.01%, up to title_band 0.35% against its own
oracle-to-oracle gap. The P5 walk runs and ends on the title.

The refutation attempt was of a claim I had already used: that ADV.wmv carries one
audio stream and it is WMA Pro 5.1, which reframed the whole voice question.
ffprobe confirms it exactly -- one stream, wmapro, 6 channels, 5.1.

And I had built on it for a week without running it. The positional weights, the
presentation: all change, the refusal to apply the assignment when byte sizes did
not fit -- all rest on that reframing, verifiable in one command against a file I
have had throughout. I audited the byte sizes scrupulously because they were the
identifier I could test, and never checked the sentence the identifier served.

A premise so foundational that everything downstream got audited and the premise
did not. The scrutiny went to the parts that moved.

Also records what is still authored rather than measured: four values, each
marked at the value.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N7FiFFFwbvG2uxdcEh8HyF
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Sylpheed port agent
2026-08-30 10:44:00 +00:00
parent 8da453478d
commit 2a137db16f
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docs/port/DECISIONS.md
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@@ -9,7 +9,7 @@ dies, which is what this file is for.
<!-- INDEX: generated by tools/port/index-decisions -- do not hand-edit -->
141 sections. Search this before re-deriving anything.
142 sections. Search this before re-deriving anything.
* [P0 — the exporter, 2026-08-28](#p0--the-exporter-2026-08-28)
* [P1 — Godot draws the screen, 2026-08-28](#p1--godot-draws-the-screen-2026-08-28)
@@ -152,6 +152,7 @@ dies, which is what this file is for.
* [The loop window is measured — `-ss 9.44 -t 61.87` — and the near-silence count tracked the error](#the-loop-window-is-measured---ss-944--t-6187--and-the-near-silence-count-tracked-the-error)
* [Applying "grep the corpus for the claim" to my own corpus](#applying-grep-the-corpus-for-the-claim-to-my-own-corpus)
* [A refuted-claim register, because the audit found what the audit found](#a-refuted-claim-register-because-the-audit-found-what-the-audit-found)
* [State of the port, and a claim I built on for a week without checking](#state-of-the-port-and-a-claim-i-built-on-for-a-week-without-checking)
<!-- /INDEX -->
## P0 — the exporter, 2026-08-28
@@ -8149,3 +8150,57 @@ stays, that stream 1 is *"consistent with being stream 2's tail"*, that streams
and 3 are indistinguishable. All three resolved days earlier. Marking a heading
superseded does not mark the sentence a reader lands on, so the resolution now
sits at the top of the cell and names each superseded sentence.
## State of the port, and a claim I built on for a week without checking
Every asserting check passes: the format validator (16 screens against
`sylpheed.screen/3`), all five MODDING rules, the capture-control sweep, the
refuted-claim register, the decisions index. The oracle rows sit at the tone
floor — `title_plate` **0.00 %**, both splashes **0.01 %**, `main_menu` 0.06 %,
`main_menu_options` 0.15 %, `extras` 0.19 %, `title` 0.21 %, `title_band` 0.35 %
against its own oracle-to-oracle gap. The P5 walk runs and ends on the title.
### 🔴 The refutation attempt this iteration was of something I had already used
The claim that reframed the entire voice question — *`ADV.wmv` carries **one**
audio stream and it is **WMA Pro 5.1**, not XMA, so the movie's own track is the
bed and the three streams are additional* — is checkable in one command against
the disc:
```
index=0 codec_name=wmapro channels=6 channel_layout=5.1 sample_rate=48000
1 audio stream
```
✅ Exactly confirmed.
⚠️ **And I had built on it for a week without running it.** The positional
weights, the `presentation: "all"` change, the refusal to apply the assignment
when the byte sizes did not fit — all of it rests on that reframing, and the
verification cost one `ffprobe` against a file I have had all along. I checked the
*byte sizes* scrupulously because they were the identifier I could test, and never
checked the sentence the identifier was serving.
📌 That is a different failure from the ones this file catalogues. Not an
unexercised rule, not a correction that never landed, not a control easier than
the measurement: **a premise so foundational that everything downstream got
audited and the premise itself did not.** The scrutiny went to the parts that
moved.
### What is still authored rather than measured
Four values, and the file says so at each:
| value | state |
|---|---|
| `flow.screens.main_menu.on_cancel` | **authored — likely but UNPROVEN**; Ⓑ returning to the title is stated in HANDOFF with no capture behind it |
| `ptbtn01.after_video` | **authored**; the game goes into Mission 1, which MISSION §7 scopes out, so "return to the title" is a chosen end state |
| `flow.navigation.input_during_transition` | **authored, not measured** — nobody has watched a press mid-fade; ignoring invents least |
| `authored/rendering.json`'s withheld leaves | two leaf records deliberately not drawn, each with its reason |
Everything else in `authored/` now carries `kind: measured` — the BGM bank and its
loop window, the plate's pulse period, the keyframe unit, the black hold, the
navigation wrap, the cue bindings, the voice streams and their positional weights.
⚠️ The black hold is measured but sits at **the top of its range** (~6.5–9.2 units,
authored 9), and that is recorded at the value rather than in a footnote.