fix(perception): bound vegetation load decoding

experiments/perception/worker/Invoke-M49TgsIntegratedGraphShadow.ps1

@@ -288,24 +288,6 @@ foreach ($name in $containers) {
 
 $started = [DateTimeOffset]::UtcNow
 try {
-    if ($VegetationLoadGate) {
-        $vegetationFrames = Join-Path $runOutput "vegetation\input-frames"
-        $null = New-Item -ItemType Directory -Path $vegetationFrames
-        & ffmpeg -hide_banner -loglevel error -i $source.Video -map 0:v:0 -fps_mode passthrough (
-            Join-Path $vegetationFrames "frame-%06d.png"
-        )
-        Assert-LastExitCode "RAVNOVES full-video frame extraction"
-        $extractedFrames = @(
-            Get-ChildItem -LiteralPath $vegetationFrames -File -Filter "frame-*.png" |
-                Sort-Object Name
-        )
-        if (
-            $extractedFrames.Count -ne 4489 -or
-            $extractedFrames[0].Name -cne "frame-000001.png" -or
-            $extractedFrames[-1].Name -cne "frame-004489.png"
-        ) { throw "RAVNOVES full-video frame sequence changed" }
-    }
-
     & docker run --rm --name $prepareName --network none --cpus 8 --memory 16g `
         --entrypoint python3 `
         --volume ((Convert-ToDockerPath $source.SourcePack) + ":/source/lidar-pack.npz:ro") `
@@ -414,6 +396,7 @@ try {
             --volume ($dockerRun + ":/shared:rw") `
             --volume ($dockerVegetationDataset + ":/data/goose:ro") `
             --volume ($dockerVegetationCheckpoint + ":/models/candidate.pth:ro") `
+            --volume ((Convert-ToDockerPath $source.Video) + ":/source/right.mp4:ro") `
             $VegetationImageTag run --no-capture-output --name goose python `
             /release/run_vegetation_integrated_load.py `
             --config /release/lab-v1-goose-vegetation-benchmark-v1.json `
@@ -421,7 +404,7 @@ try {
             --provider-map /release/lab-v1-vegetation-provider-label-map-v1.json `
             --checkpoint /models/candidate.pth `
             --dataset-root /data/goose `
-            --frames-root /shared/vegetation/input-frames `
+            --video /source/right.mp4 `
             --source-rate-hz $rate `
             --minimum-effective-fps 11.209069 `
             --maximum-completion-p95-ms 125.0 `
@@ -582,10 +565,6 @@ try {
         Assert-LastExitCode "M49 integrated vegetation evidence gate"
     }
 } finally {
-    $vegetationFrames = Join-Path $runOutput "vegetation\input-frames"
-    if (Test-Path -LiteralPath $vegetationFrames -PathType Container) {
-        Remove-Item -LiteralPath $vegetationFrames -Recurse -Force
-    }
     foreach ($name in $containers) { Remove-ExactContainer $name }
     $canonicalAfter = Get-Container "ndc-mission-core-triton"
     if (