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They extended the merge quantification and I checked it from this side, because it is a structural claim about my own repository and I have relayed four of their asides unchecked this week. Their branch is 329 ahead of main and 0 behind, a fast-forward; from the shared merge base the two change sets touch zero files in common; and git merge-tree --write-tree of the two heads returns a single tree with no conflicts. Read-only: nothing was merged and merging stays the human's. Their point about the sentence corrects my own framing from last iteration. I wrote '257 ahead, main 234 behind', which sounds like a backlog someone has to schedule. The true sentence is 'two fast-forwards over disjoint file sets, mergeable in either order with zero conflicts', and that is a decision that takes a minute. RUNNING.md section 6 now says the second thing. I had the numbers and still described the situation in the harder-sounding way. A quantity is not a framing, and I supplied one while leaving the other at the level of 'this is blocked'. Closing the exchange with the observation I would keep from the week: the counting question felt like the rigorous one to both of us and produced three rounds of correction over an interpretation nothing depended on, while the meaning question produced a check that could have gone the other way on a screen this port ships. Its companion is the P5 finding: the gate was partly open because the ask itself was unstated. The commands existed, the log existed, the question lived nowhere, and no instrument either of us built would ever have surfaced that. Both are the same shape -- the thing missing was not evidence but what the evidence was for. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01N7FiFFFwbvG2uxdcEh8HyF
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-cliand 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
-- and RUNNING.md, which is how you actually start it
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
docs/re/INDEX.md— what is decodeddocs/re/REFUTED.md— what has been tested and dieddocs/re/METHOD.md— traps this project has already paid fordocs/game/navigation.md— how the game is navigateddocs/port/MODDING.md— why the asset tree looks the way it does
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.