feat(perception): measure M48S load envelope

scripts/Invoke-M48SReferenceGraphShadow.ps1

@@ -12,6 +12,16 @@ param(
     [int]$Loops = 1,
     [ValidateRange(1, 4489)]
     [int]$MaximumFrames = 120,
+    [ValidateRange(1.0, 120.0)]
+    [double]$SourceRateHz = 10.0,
+    [ValidateRange(0.0, 1.0)]
+    [double]$MinimumDeliveryRatio = 0.999,
+    [ValidateRange(0.1, 120.0)]
+    [double]$MinimumEffectiveWorldStateFps = 9.5,
+    [ValidateRange(1.0, 10000.0)]
+    [double]$MaximumWorldStateCompletionP95Ms = 125.0,
+    [ValidateSet("production-rate", "reserve-gate", "limit-discovery")]
+    [string]$LoadPurpose = "production-rate",
     [string]$OutputRoot = "D:\NDC_MISSIONCORE\runtime\results\m48s-reference-graph-shadow"
 )
 
@@ -103,6 +113,7 @@ $runner = Get-Item -LiteralPath (
 if ($runner.PSIsContainer -or ($runner.Attributes -band [IO.FileAttributes]::ReparsePoint)) {
     throw "M48S graph runner must be a regular file"
 }
+$runnerSha256 = Get-Sha256 $runner.FullName
 
 $experimentRoot = Resolve-DDirectory (
     "D:\NDC_MISSIONCORE\runtime\experiments\m48t-fixed-detector-20260825T095425Z"
@@ -253,6 +264,13 @@ try {
         "--valid-fov-mask", "/source/mask.png",
         "--triton-origin", "http://127.0.0.1:8000",
         "--loops", ([string]$Loops),
+        "--source-rate-hz", ([string]::Format([Globalization.CultureInfo]::InvariantCulture, "{0:R}", $SourceRateHz)),
+        "--minimum-delivery-ratio", ([string]::Format([Globalization.CultureInfo]::InvariantCulture, "{0:R}", $MinimumDeliveryRatio)),
+        "--minimum-effective-world-state-fps", ([string]::Format([Globalization.CultureInfo]::InvariantCulture, "{0:R}", $MinimumEffectiveWorldStateFps)),
+        "--maximum-world-state-completion-p95-ms", ([string]::Format([Globalization.CultureInfo]::InvariantCulture, "{0:R}", $MaximumWorldStateCompletionP95Ms)),
+        "--load-purpose", $LoadPurpose,
+        "--runtime-artifact-sha256", $ExpectedWheelSha256,
+        "--runner-sha256", $runnerSha256,
         "--output", "/output/result.json",
         "--progress", "/output/progress.jsonl",
         "--frame-ledger", "/output/frames.jsonl"