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Capture actionable STEP-LIMIT diagnostics

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gamer147
2026-07-29 18:51:06 -04:00
parent 32c5d1e901
commit f7751c2b93
7 changed files with 146 additions and 16 deletions
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13
docs/phase-b-framework.md
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@@ -928,6 +928,19 @@ installed-A1215 regressions prove the exact prefix and unchanged PCM payload. Va
tests, a zero-warning Godot build, and the Himegari-targeted threaded selftest, which loads the real A1215
buffer through Godot and reports `first-riff-boundary=ok` without seek spam.
**Stage 01-01 STEP-LIMIT diagnostics added (2026-07-29):** after a reveal-zone event, the persistent
SYSTEM4 run reached its artificial 20,000,000-instruction cap. `SYSTEM4 P592` correctly identifies the last
ADV boundary (`SC0600@0x33fd`, followed by cleanup and return), but the page map cannot identify code that
runs after that page. The final page was recorded about 29 seconds before the halt, so the existing report
cannot distinguish an SC0600 cleanup loop from resumed FIELD processing.
Godot now retains the deepest frame chain before a halted frame unwinds and automatically emits a bounded
STEP-LIMIT report: exact script/offset/opcode, nested frame chain, hottest sites in the final 128 instructions,
and the final 16-instruction sequence. It also writes the ordinary full stall snapshot as
`user://diagnostics/step-limit-<timestamp>.json` and copies its coordinate/path. Focused formatter/stack
regressions and all 530 engine tests pass; the Godot build is warning-free and the Himegari-targeted threaded
selftest passes. No loop behavior or safety limit has been changed pending one instrumented reproduction.
**Cyclic reset implemented (2026-07-29):** `0x230(handle)` now gets or creates the retained object,
disables the four looping channels represented by the compositor, and clears the complete native
start/period block—including the preserved raw state for the currently unmodeled second cyclic matrix.

7
docs/tools-reference.md
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@@ -213,6 +213,13 @@ and pending movie records include `first_frame_source_pts_ms`; the ordinary `mov
the same source PTS alongside the render frame, which distinguishes encoded stream lead-in from decode/presentation
latency.
If the interactive VM reaches its `STEP-LIMIT` safety cap, Godot now captures the same diagnostic
automatically as `user://diagnostics/step-limit-<timestamp>.json` and copies its coordinate/path to the
clipboard. Before nested frames unwind, the trace sink preserves the deepest active script stack. The console
also prints the exact final script/offset/opcode, that frame chain, the hottest sites in the bounded final
128-instruction window, and the final 16-instruction sequence. This makes the last ADV locator unnecessary for
identifying a post-dialogue loop; send either the `step-limit` console block or the generated JSON.
## Native FFmpeg movie shim (Windows x64)
These PowerShell tools build the selected Windows-x64 live movie backend. The dependency manifest pins an