diff --git a/docs/re/METHOD.md b/docs/re/METHOD.md index 1821640a..335af219 100644 --- a/docs/re/METHOD.md +++ b/docs/re/METHOD.md @@ -154,6 +154,28 @@ agent's loop prompt, i.e. nowhere durable. See [`README.md`](README.md) for the the content classifier has already said `title_*`*, not because the threshold discriminates. ⚠️ **`glyph()` alone is not a plate detector**; a two-frame control over a 3½-minute movie is not a control over that movie. +* 🔴 **`screen_id.py` cannot see a plate-less title, and calls DIFFICULTY a + menu.** Both reproduce on committed reference frames: + + | frame | `screen_id.py` says | should be | + |---|---|---| + | `live-title-build4-no-plate.png` | **`other`** | title | + | `live-title-press-a.png` | `title` | title | + | `difficulty-screen.png` | **`menu`** | not the main menu | + + It thresholds on **green** (0.0009 with the plate vs 0.0002 without), so it + recognises a title only once `PRESS Ⓐ` has faded in — and this corpus's own + finding is that **the boot title shows build 4 FIRST, plate-less**, for ~2.25 s. + ⚠️ **Any harness that waits for `title` from it can sit through a visible title + and report nothing** — that is what happened on an `S00A` drive here, 396 s of + `other` with two spurious `menu` hits, on a run whose audio proved the guest was + healthy throughout. `newgame_path.sh`, `nav_probe.sh` and `boot_menu.sh` all + gate on this. + ✅ The zncc-against-committed-frames classifier used for the settle-time screen + log does not have either defect: 6/6 including both movie frames and + `difficulty-screen` as negatives, at a 0.85 threshold. ⚠️ At 0.60 it *also* + called `difficulty-screen` a menu (0.632) — the threshold is doing real work + and must be controlled, not chosen. * **Classify screens by whole-image statistics, not named pixels** — a named pixel is only valid while the image sits at a known place, and nothing errors when it moves.