Sylpheed port agent 91358db296 port: run their sufficiency check on authored/ -- clean, after nearly reporting 35 false positives
Their audit found 48 citations resolving and 0 missing, with the caveat that it
cannot see data a page should have cited and did not. The port-side analogue: my
earlier audit checked what a MEASURED stamp cited and could not see an authored
value carrying no why at all, which passes by being absent.

First pass flagged 35 of 131 values as bare. Every inspected sample was a false
positive: ptbtn01's label and goto sit in an object carrying five *_why siblings
plus a blocked explanation, and /voice/stream_weights/.../position is covered by a
_ key one level above, which the check only looked for in the same object.

Ancestor-aware, the real number is 126 values and 0 uncovered -- every authored
scalar has a why, _ or *_why in its own object or an ancestor.

35 was the instrument's resolution, not a finding. Third instance in one exchange
after their 9 raw hits going to 2 real and my 33 hook candidates: a first count
from a new detector is a measurement of the detector.

Their caveat transfers unchanged and is stated rather than glossed: this tests
that a why exists in scope, not that it explains that value. A parent _ covering
twenty values may say nothing about any one.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N7FiFFFwbvG2uxdcEh8HyF
2026-08-30 19:37:52 +00:00

Sylpheed

A clean-room reverse engineering and port project for Project Sylpheed: Arc of Deception (Xbox 360, 2007).

Three things live here, in one repository so that a change spanning them lands as one commit:

The decoders crates/sylpheed-formats — the disc's formats, read and verified disc-wide
The port port/ — a Godot 4 project, plus crates/sylpheed-export which converts a disc into the open asset tree it reads
The corpus docs/re/ — what has been reverse engineered, with its evidence, its retractions and its dead ends

You need your own copy of the game. No game content is in this repository and none ever will be. The exporter reads the disc you supply.

The oracle is the real game

sylpheed-cli and the Explorer are tools for verifying our decoding. They are hypotheses under test and they have been wrong. When something must be checked against the truth, the truth is the game running in Xenia Canary, captured — not any renderer of ours.

This is stated first because getting it backwards is the most expensive mistake this project has made.

Layout

crates/
  sylpheed-formats/   the decoders. Disc-wide verified; the corpus is its spec
  sylpheed-cli/       headless tools -- render a screen, dump a table, probe audio
  sylpheed-viewer/    the Explorer: a human's window onto the disc. STATIC data only
  sylpheed-export/    disc -> the open, moddable asset tree
port/                 the Godot 4 project. Reads open formats ONLY
authored/             decisions that are NOT on the disc, each with its reason
data/
  base/               generated by the exporter. Gitignored, never hand-edited
  mods/               drop-in overrides. Yours
docs/
  re/                 the corpus: findings, refutations, method traps
  game/               how the game is navigated -- menus, modals, flight
  port/               the port's mission, its handoff contract, modding rules
  agents/             how the agent team works together
tools/                capture harnesses, probes, the share tool
exchange/             transient inter-agent files. NOT in git
docker/               the agent containers

Where to start

Xenia Canary is a separate repository: it is a fork tracking upstream, and it carries our instrumentation.

Conventions

Confidence is per claim, never per document: CONFIRMED · 🟡 PROBABLE · HYPOTHESIS · REFUTED. A withdrawn result is kept with its reasoning rather than deleted — that is why the numbers here can be trusted.

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