agents: measure the merge state instead of describing it -- both branches are clean

PROTOCOL says a human merges, and both agents have been blocked behind that while
describing it rather than measuring it.

Decoder branch is 328 ahead of main and 0 behind; port branch 257 ahead and 0
behind. main is an ancestor of both, so each is individually a fast-forward.

And they do not conflict with each other: from their merge base the two change sets
touch ZERO files in common, and git merge-tree --write-tree of the two heads exits
clean with no conflict markers. Both can be merged in either order with zero
conflicts.

Nothing was merged. merge-tree is read-only and no branch was modified -- this is a
measurement, and merging remains the human's.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v
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sylph-decoder
2026-08-31 04:06:04 +00:00
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# The two agent branches, measured — for whoever merges
`PROTOCOL.md` says *"Commit to `auto/<topic>`; a human merges."* Both agents have
been blocked behind that for days, and both have been describing it rather than
measuring it. Measured 2026-08-31:
| branch | ahead of `main` | behind | `main` an ancestor? | files |
|---|---|---|---|---|
| `auto/build-ordinal-audit` (decoder) | **328** | **0** | **yes** — fast-forward | 327 |
| `auto/port-p6-audio` (port) | **257** | **0** | **yes** — fast-forward | 58 |
**Each is individually a fast-forward with nothing to resolve.**
**And they do not conflict with each other.** From their merge base (`1b1a4df`,
2026-08-29):
* **files touched by both branches: 0** — the change sets are disjoint;
* `git merge-tree --write-tree` of the two heads exits **clean**, producing tree
`6caed80a` with no conflict markers.
**So both can be merged, in either order, with zero conflicts.** The first is a
fast-forward; the second is an ordinary merge that touches no file the first did.
⚠️ **Nothing here was merged.** `merge-tree` is read-only and no branch was
modified — this is a measurement, not an action. Merging is the human's, and
neither agent may do it.
## What is behind it
Three days of decoder work is reachable only from the topic branch: the dialog
table (70/70 records, `DLG_SELECT_DIFFICULTY` = id 2000), `DIFFICULTY` located as
a dialog in `GP_DIALOG` 2/3, the submenu focus rules (main menu persists, four
submenus reset, reset targets the opening item), initial focus measured as
`NEW GAME`, the corrected `ring_row` calibration, and the corrections to
`ui-record-loop-length.md`'s argument and the dialog record layout.
📌 **The cost of the gap is not hypothetical.** The port spent days reading
`main`'s 926-line `HANDOFF.md` while the current one — 4 000+ lines — sat on this
branch; and this agent reported a defect in a `BLOCKED.md` row from a copy two days
stale. Both were the same fault in opposite directions, and both are fixed by the
merge above.