Record live combat movie backend validation

docs/asset-resolution-re.md

@@ -323,12 +323,9 @@ five such ids:
 | `0x2bca` | `MVB914.AGF` | 133,124 bytes | 400x400 |
 
 All five archive payloads begin with MPEG program-stream pack code `00 00 01 BA`; none is a corrupt still
-AGF. `GodotAdvHost.PlayMovieToSurface` currently calls the port's scene-relative `ResourceMap.Resolve`,
+AGF. Universal packed resolution was implemented across texture, voice, and both movie paths on 2026-07-21.
-which returns null because BTL owns no inferred SC group. Native instead passes the id unchanged to the
+The following manual combat run produced no `movie unresolved` warnings: the BTL ids reached
-universal packed opener. Texture and voice facades require the same correction, not a new movie-only
+`ResourceMap.ResolveMovie`, VFS reads, and the movie backend as native requires.
-fallback. The logged `AGF decode failed MVB914.AGF` is downstream:
-after movie lookup fails, no movie identity is registered, the VM still binds the raw id to the surface,
-and the compositor falls through to the still-image decoder because MPEG movies also use `.AGF` names.
 
 Resolution is not the only blocker. An archive-backed probe of the actual Windows backend found that the
 current DirectShow graph decodes `MVB914` and exposes a positive stop time, but rejects all four 280x352
@@ -339,13 +336,28 @@ are 280x352. Requesting RGB24 instead of RGB32 does not change negotiation. The
 failure to DirectShow/filter compatibility with these non-16-aligned MPEG display widths; it does not prove
 which internal stock filter imposes the restriction.
 
-The correct implementation boundary therefore has three parts: switch all ordinary typed resource
+The resolver-only acceptance run makes that split visible in one exchange. `MVB961` (`0x2be3`, 112,644
-consumers to the native universal packed lookup; introduce the already-planned decoder interface/factory and a software MPEG
+bytes) and `MVB238` (`0x2b94`, 143,364 bytes) both declare 280x352 and fail at
-fallback that handles the installed non-16-aligned effects; and preserve the destination surface's created
+`IGraphBuilder.Connect(sourceOut, sampleGrabberIn)` with `0x80040217`. In the same run `MVB908`
-dimensions instead of replacing every movie surface with the SC0000-specific 800x600 value. Decoder failure
+(`0x2bc2`, 126,980 bytes) declares 400x400, starts with a 333 ms stop time, publishes RGBA frames, reaches
-should also leave a completed movie identity long enough to suppress bogus still-AGF fallback. Regressions
+completion, and is stopped by script cleanup. This is decisive backend evidence rather than a resolver,
-must cover at least raw BTL resolution, a 280x352 effect (`MVB001`), a 400x400 effect (`MVB914`), immediate
+VFS, signature, or corrupt-asset problem.
-`0x23f` stop time, RGBA frame publication, completion, and release.
+
+The user nevertheless observed the combat presentation stall after that sequence. The existing failure
+path calls `NotifyMovieCompleted` immediately, and the successful `movie stopped MVB908` line proves the
+shared `0x21c` movie wait reached completion at least for the logged sequence. The log contains no VM offset
+or transition-state record after cleanup, so it does not yet prove that DirectShow itself owns the final
+stall. One remaining non-native input is concrete: failed graphs make `0x23f` return `-1`, which BTL stores
+in its per-effect duration table at `0x2b31`; a real fallback decoder must instead supply duration and normal
+completion. If the stall survives that backend correction, capture the VM/service boundary at the stall and
+treat it as a separate BTL timed-presentation bug.
+
+The remaining implementation boundary is the already-planned decoder interface/factory plus a software
+MPEG backend that handles the installed non-16-aligned effects, and preservation of the destination
+surface's created dimensions instead of replacing every movie surface with the SC0000-specific 800x600
+value. Failure must remain nonblocking and suppress bogus still-AGF fallback. Regressions must cover at
+least a 280x352 effect (`MVB001`), a 400x400 effect (`MVB914`), immediate `0x23f` stop time, RGBA frame
+publication, completion, failure completion, and release.
 
 ### Modal startup/ending movie resources (implemented 2026-07-20)
 

docs/phase-b-framework.md

@@ -575,9 +575,14 @@ assets with `0x80040217`. Broader samples tie current compatibility to 16-aligne
 installed MVB assets use 280x352. Texture, voice, and both movie consumers now use universal packed
 resolution; VM surface state and Godot caches retain the full selector. Focused tests prove SC0010's low
 texture/voice ids and append-pack identity; 302 engine tests, a zero-warning Godot build, and threaded
-selftest pass. **NEXT:** manually re-enter combat and confirm the BTL ids now resolve into the movie backend.
+selftest pass. Manual combat acceptance confirms the split: 400x400 MVB908 plays and completes, while
-The expected remaining failures are the known 280x352 DirectShow graphs; defer decoder replacement until
+280x352 MVB961/MVB238 resolve correctly but DirectShow rejects their graph connection with `0x80040217`.
-that resolver-only acceptance check, preserving destination dimensions and failed-movie identity afterward.
+The user observed a stall after the sequence; failed movies are marked complete and the successful movie's
+stop log proves the shared movie wait resumed, but failed `0x23f` duration remains `-1` and the final stalled
+VM/service coordinate was not logged. **NEXT:** replace the decoder boundary with a software MPEG path that
+returns real duration/frames for 280x352 effects and regress failure as nonblocking. If the stall remains,
+capture it as a separate BTL timed-presentation issue. Preserve created destination dimensions and failed
+movie identity through the backend change.
 
 **Mutable-surface fill/blend regression corrected.** The first visual recheck exposed BUNKI's menu interior
 as transparent. SYSTEM4 creates 800x600 surface 3 and fills it opaque white through `0x20b`; the metadata-only