refactor: remove redundant seams and preserve cleanup ownership (#10375)

* refactor: remove redundant seams and preserve cleanup ownership

* fix: validate PE resource extents before budget checks

src/application/javascript/JavaScriptRuntimeObservationService.test.ts

@@ -1,10 +1,7 @@
 import { expect, it } from "vitest";
 
 import { BrowserObservationError } from "../../domain/browserObservationError.js";
-import {
-  AnalysisCancelledError,
-  AnalysisOutputError,
-} from "../../domain/analysisErrorCore.js";
+import { AnalysisCancelledError } from "../../domain/analysisErrorCore.js";
 import { err, ok } from "../../domain/result.js";
 import { parseEvidence } from "../../domain/evidence.js";
 import type { JavaScriptRuntimeTargetList } from "../../domain/javascript/javascriptRuntimeObservation.js";