fix: bind performance evidence to production resources

src/testing/performance-instrumentation.ts

@@ -1,3 +1,5 @@
+import type { SceneGpuBudgetSnapshot } from '@/scene/resources';
+
 declare const __PORTFOLIO_TEST_BUILD__: boolean;
 declare const __PORTFOLIO_TEST_TOKEN_DIGEST__: string;
 
@@ -37,6 +39,7 @@ export interface ScriptedActionSample {
 
 export interface SceneInterval { start: number; end: number }
 export interface SceneFrameSample { start: number; end: number }
+export type RuntimeAllocationSample = SceneGpuBudgetSnapshot;
 
 export const nearestRankP95 = (samples: readonly number[]): number => {
   if (samples.length === 0) throw new Error('At least one sample is required.');
@@ -115,7 +118,7 @@ export const evaluateEventToNextPaint = (
       if (entry.interactionId === 0) continue;
       groups.set(entry.interactionId, Math.max(groups.get(entry.interactionId) ?? 0, entry.duration));
     }
-    if (groups.size !== 1) throw new Error('Event Timing groups are ambiguous.');
+    if (groups.size !== 1) throw new Error(`Event Timing groups are ambiguous for ${action.id}: ${JSON.stringify(matching)}`);
     return [...groups.values()][0]!;
   });
   return { values, p95: nearestRankP95(values) };
@@ -192,6 +195,7 @@ interface PerformanceSnapshot {
   cutoff: number;
   navigationBarrier: { armed: boolean; pendingEpoch: number | null; cancelledEpoch: number | null };
   actions: readonly ScriptedActionSample[];
+  runtimeAllocation: RuntimeAllocationSample | null;
 }
 
 interface PerformanceHooks {
@@ -200,6 +204,7 @@ interface PerformanceHooks {
   endTrace(): void;
   recordSceneFrame(start: number, end: number): void;
   recordSceneState(state: string): void;
+  recordRuntimeAllocation(allocation: RuntimeAllocationSample): void;
   armNavigationSettlementBarrier(): void;
   registerNavigationSettlement(epoch: number): void;
   holdNavigationSettlement(epoch: number): boolean;
@@ -234,6 +239,7 @@ export const installAuthorizedPerformanceInstrumentation = async (): Promise<voi
   const sceneFrames: SceneFrameSample[] = [];
   const sceneIntervals: SceneInterval[] = [];
   let firstSceneFrame: number | null = null;
+  let runtimeAllocation: RuntimeAllocationSample | null = null;
   let traceStart: number | null = null;
   let traceEnd: number | null = null;
   let runningIntervalStart: number | null = null;
@@ -325,6 +331,13 @@ export const installAuthorizedPerformanceInstrumentation = async (): Promise<voi
         runningIntervalStart = null;
       }
     },
+    recordRuntimeAllocation(allocation) {
+      runtimeAllocation = Object.freeze({
+        ...allocation,
+        textures: Object.freeze(allocation.textures.map((item) => Object.freeze({ ...item }))),
+        renderTargets: Object.freeze(allocation.renderTargets.map((item) => Object.freeze({ ...item }))),
+      });
+    },
     armNavigationSettlementBarrier() {
       barrierArmed = true;
       barrierPendingEpoch = null;
@@ -383,6 +396,7 @@ export const installAuthorizedPerformanceInstrumentation = async (): Promise<voi
         ...record,
         eventEntries: Object.freeze([...record.eventEntries]),
       }))),
+      runtimeAllocation,
     }),
   };
   Object.defineProperty(window, '__PORTFOLIO_PERFORMANCE__', {