fix(inspector): bound retained metadata and preserve cancellation

src/application/javascript/JavaScriptRuntimeObservationService.ts

@@ -2,7 +2,10 @@ import type { ExecutionOptions } from "../AnalysisProvider.js";
 import type { JavaScriptRuntimeObservationPort } from "./JavaScriptRuntimeObservationPort.js";
 import { createJavaScriptRuntimeObservationEvidence } from "./JavaScriptRuntimeObservationEvidence.js";
 import type { Evidence } from "../../domain/evidence.js";
-import { AnalysisCapabilityUnavailableError } from "../../domain/analysisErrorCore.js";
+import {
+  AnalysisCancelledError,
+  AnalysisCapabilityUnavailableError,
+} from "../../domain/analysisErrorCore.js";
 import { type AnalysisError } from "../../domain/analysisErrorBase.js";
 import type {
   ListJavaScriptRuntimeTargetsInput,
@@ -40,6 +43,8 @@ export const observeJavaScriptRuntime = async (
   const ready = requireProvider(provider, "observe_javascript_runtime");
   if (!ready.ok) return ready;
   const result = await ready.value.observe(input, options);
+  if (options.signal?.aborted === true)
+    return err(new AnalysisCancelledError("observe_javascript_runtime"));
   return result.ok
     ? ok(
         createJavaScriptRuntimeObservationEvidence(