refactor(javascript): group application workflows and verification (#896)

src/application/javascript/ElectronEvidence.ts

@@ -0,0 +1,62 @@
+import type { ProviderIdentity } from "../AnalysisProvider.js";
+import {
+  createEvidence,
+  type Evidence,
+  type EvidenceObservation,
+} from "../../domain/evidence.js";
+import { jsonValueSchema } from "../../domain/jsonValue.js";
+import type {
+  ElectronPageInspection,
+  ElectronTargetList,
+  InspectElectronPageInput,
+  ListElectronTargetsInput,
+} from "../../domain/electronObservation.js";
+
+type ElectronOperation = "list_electron_targets" | "inspect_electron_page";
+
+/** Create Evidence for one Electron observation. */
+export const createElectronEvidence = (
+  operation: ElectronOperation,
+  input: ListElectronTargetsInput | InspectElectronPageInput,
+  result: ElectronTargetList | ElectronPageInspection,
+  provider: ProviderIdentity,
+): Evidence =>
+  createEvidence(undefined, provider, {
+    predicateType:
+      operation === "list_electron_targets"
+        ? "rea.electron-target-list"
+        : "rea.electron-page-inspection",
+    operation,
+    parameters: parameters(input),
+    result: jsonValueSchema.parse(result),
+    confidence: "observed",
+    authority: "external-service",
+    environment:
+      "target" in result
+        ? {
+            id: `${result.browser.product}@${result.browser.revision}`,
+            platform: "unknown",
+            architecture: "unknown",
+            isolation: "none",
+          }
+        : null,
+    limitations: [
+      ...result.limitations,
+      ...("target" in result
+        ? ["Browser host platform and architecture were not observed."]
+        : []),
+    ],
+  });
+
+const parameters = (
+  input: ListElectronTargetsInput | InspectElectronPageInput,
+): EvidenceObservation["parameters"] => ({
+  cdp_endpoint: input.cdp_endpoint,
+  ...("target_id" in input
+    ? {
+        target_id: input.target_id,
+        observation_ms: input.observation_ms,
+        include_script_sources: input.include_script_sources,
+      }
+    : {}),
+});