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traps: both hunt arms, and row 54 -- the cycle that replaced the one this branch closed

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BACK in a text box goes 291 to 0 and the museum is left in the first window and never returned
to, which is rows 51 to 53. The hunt's own two measures do not improve: 193 distinct tiles become
175 and 59 flagged windows become 69, because a new three-macro cycle takes the old one's five
tiles for seven and a half brain minutes and then the fly spends four minutes inside one battle,
which the tile rule flags as hard as a stall. Battle frames go 6,948 to 20,894.

Row 54 names the new cycle with the two readings that fit it, and the residual under both is the
whole-map grid being refused on every frame the fly is mid-step. Reported rather than smoothed:
the ethos check's 'the trap hunt improves' does not hold for this branch.
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acamilo 2026-09-22 14:23:00 +00:00
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8
docs/design/macros.md
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@ -1155,6 +1155,14 @@ hours. Two things it then does are worth naming, because neither is a bug and bo
unstood tile on screen. It is covering ground rather than standing still, which is why it is a
residual and not a trap.
**The trap hunt does not improve.** Distinct tiles 193 -> 175 and flagged windows 59 -> 69, with
`BACK` in a text box 295 -> 0 and battle frames 6,948 -> 20,894. What the old cycle is replaced by
is a new one on the same five tiles -- `GO FRONTIER`, `GO HEAL`, `GO ROUTE`, x42, for seven and a
half brain minutes -- and then four brain minutes inside one battle, which the hunt's tile rule
flags as hard as it flags a stall. `infra/docs/macros-traps.md` has both arms whole and row 54 is
the next brief. The ethos check's "the trap hunt improves" does not hold for this branch; the
ROM-gated run does, and both are reported rather than one of them.
**The whole-map grid is refused while the fly is moving.** `pokemon_red::state::map_grid` checks its
decode against the screen buffer over the fly's own tile and its four neighbours, and on a frame
mid-step the two are a tile apart: `wYCoord` is the tile being walked *to* while the background is

66
infra/docs/macros-traps.md
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@ -2020,3 +2020,69 @@ The fly is out of the museum and into the gym in the first minute, and then spen
Pewter City's buildings: the town's errands are session state and the 11:30 restart re-armed both,
so `GO OBJECTIVE` aims at the mart and the centre before the leader (section 13, and `BUY
ANTIDOTE` 3, `BUY BALL` 2, `HEAL` 1 in the same run say it was paid).
### The trap hunt, before and after — and it does not improve
Twenty brain minutes, seed 20260917, 4 sweep threads, the same connectome and the same cartridge,
from the release container's own rung-10 Pewter checkpoint, **driven by the brain**.
| measure | before (v0.4.5) | after |
| --- | ---: | ---: |
| distinct (map, tile) | **193** | 175 |
| windows flagged | **59/73** | 69/73 |
| macros started | 1283 | 1056 |
| `BACK` starts | **334** | 133 |
| `BACK` in a text box on map `0x02` | **291** | **0** |
| `BACK` on any text box | 295 | **0** |
| `GO FRONTIER` starts | 531 | 242 |
| `GO HEAL` starts | 0 | **204** |
| frames in `overworld` | 43,797 | 30,861 |
| frames in `unknown` | 16,595 | 13,990 |
| frames in `battle` | 6,948 | **20,894** |
| recoveries | 0 | 0 |
| the repeated sequence | `BACK, GO FRONTIER, GO FRONTIER, GO OBJECTIVE` x16 and `GO OUT, BACK, GO FRONTIER, GO FRONTIER` x37 | `GO FRONTIER, GO HEAL, GO ROUTE` x42 |
**The before arm is the live loop whole**: the two four-macro cycles it flags are the two the
watchdog's own log named, `BACK` is 291 of them in a text box on map `0x02`, and the fly ends the
run having covered 193 tiles of a 879-tile town.
**The after arm does not improve on either of the hunt's two measures, and this says so.** `BACK`
in a box goes 295 -> 0, which is row 51 closed; the museum is left in the first window and never
returned to, which is rows 52 and 53. What replaces the old cycle is a *new* one on the same five
tiles -- `GO FRONTIER, GO HEAL, GO ROUTE` x42 from brain minute 1.0 to 8.5 -- and after that the
fly covers ground (up to 103 tiles in a window) and spends the last four brain minutes inside one
battle, which the hunt's tile rule flags as hard as it flags a loop. Battle frames go **6,948 ->
20,894**, and section 15 of `docs/design/macros.md` measured the same trade the same way: a fly
that covers more ground walks into more grass, and the hunt cannot tell a long fight from a stall.
| # | trap | trigger | test | fix, or why it is left |
| ---: | --- | --- | --- | --- |
| 54 | `GO FRONTIER`, `GO HEAL` and `GO ROUTE` cycle on five tiles: three walks that each end where they began | measured in the **after** arm only, brain minutes 1.0 to 8.5, `GO HEAL` **204** starts at a mean net of 0.0 tiles and a mean reach of 0.0, `GO ROUTE` 211 at a net of 0.2 | -- | **named, not worked, and it is the next brief.** Two readings fit and the hunt cannot separate them: the errand walking the fly in and out of a building whose door is underfoot (row 2's shape, with `GO HEAL` in `GO ROUTE`'s place), and the windowed walk oscillation of 12.3's row 23 -- which the whole-map grid was built to end and which is back **because the grid is refused on every frame the fly is mid-step** (below). Rows 1, 2b, 23, 24 and 41 were each found this way |
### Residuals, named rather than worked around
- **The whole-map grid is refused while the fly is moving.** `map_grid` checks its decode against
the screen buffer over the fly's tile and its four neighbours, and mid-step the two are one tile
apart: `wYCoord` is the tile being walked *to* while the background is still scrolling. Measured
on Pewter City from this checkpoint: standing still it decodes on **118 of 120** frames, and the
frame the survey caught disagreed on three tiles by exactly one row in the direction of travel.
A walk planned on such a frame is planned over the ten-by-nine window of section 15's "before",
which is what row 23's oscillation is made of. The honest fix is a WRAM reading of "a step is in
progress", which this crate's reviewed symbol list does not carry, so it is reported by the
probes and left.
- **The town's errands are session state**, so every restart re-arms them and `GO OBJECTIVE` aims
at the mart and the centre before the rung's place, the gym included. Section 13's own design.
- **`MOVE n` still reports `blocked`** with the move list drawn and its cursor placeable but not
accepting input (row 50): 42 of 65 in the after arm. Unchanged since v0.4.3.
### Gates
- `cargo test --workspace` with `FLY_ROM` set: green except
`flysim::integration::the_service_streams_takes_sugar_checkpoints_and_resumes_after_being_killed`,
which is the known debug-build boot failure on this box -- the service took 49.2 s to its first
healthy `/healthz` and `/status` still read the booting header (`milestone.total` 1, the
placeholder `simloop.rs` uses before the adapter exists). Pre-existing and unrelated.
- `cargo clippy --all-targets`: clean.
- `infra/tests/lint.sh`: all checks passed, de-PII guard included.
- `--print-compatibility`: **648 bytes, sha256 `0d9bfde7...707fa`** -- byte-identical to v0.4.1
through v0.4.5. Decoder, reward catalog, adapter version and roles untouched.