feat(cli): migrate child json recovery callers

scripts/src/web-probe-remote-artifact.ts

@@ -2,6 +2,7 @@ import { randomBytes } from "node:crypto";
 import { basename, join, resolve } from "node:path";
 import { repoRoot } from "./config";
 import { runCommand, type CommandResult } from "./command";
+import { resolveCliChildJsonCommandResult } from "./cli-child-json-recovery";
 
 export interface WebProbeRemoteArtifactJobOptions {
   route: string;
@@ -99,7 +100,12 @@ export function runWebProbeRemoteArtifactJob(options: WebProbeRemoteArtifactJobO
         const download = runCommand(downloadArgs, repoRoot, { timeoutMs: commandTimeoutMs });
         commandResults.push(download);
         lastDownload = download;
-        const parsed = parseJsonObject(download.stdout);
+        const downloadJson = resolveCliChildJsonCommandResult({
+          result: download,
+          requestedStdoutType: "trans download verification JSON",
+          acceptParsed: (value) => typeof value.ok === "boolean" || typeof value.verified === "boolean" || typeof value.bytes === "number" || typeof value.sha256 === "string",
+        });
+        const parsed = downloadJson.parsed ?? {};
         if (download.exitCode === 0 && parsed.ok === true && parsed.verified === true) {
           artifacts.push({
             remotePath: artifact.remotePath,
@@ -109,6 +115,7 @@ export function runWebProbeRemoteArtifactJob(options: WebProbeRemoteArtifactJobO
             verified: true,
             verification: parsed.verification ?? null,
             transfer: parsed.transfer ?? null,
+            stdoutRecovery: downloadJson.diagnostics,
             manifestBytes: artifact.bytes,
             manifestSha256: artifact.sha256,
           });
@@ -124,6 +131,11 @@ export function runWebProbeRemoteArtifactJob(options: WebProbeRemoteArtifactJobO
           exitCode: lastDownload?.exitCode ?? null,
           stdoutTail: lastDownload?.stdout.slice(-1000) ?? "",
           stderrTail: lastDownload?.stderr.slice(-1000) ?? "",
+          stdoutRecovery: lastDownload === null ? null : resolveCliChildJsonCommandResult({
+            result: lastDownload,
+            requestedStdoutType: "trans download verification JSON",
+            acceptParsed: (value) => typeof value.ok === "boolean" || typeof value.verified === "boolean" || typeof value.bytes === "number" || typeof value.sha256 === "string",
+          }).diagnostics,
         };
         break;
       }
@@ -468,17 +480,6 @@ function wrapBase64(value: string): string {
   return value.replace(/.{1,76}/gu, "$&\n").trimEnd();
 }
 
-function parseJsonObject(text: string): Record<string, unknown> {
-  const trimmed = text.trim();
-  if (trimmed.length === 0) return {};
-  try {
-    const parsed = JSON.parse(trimmed) as unknown;
-    return typeof parsed === "object" && parsed !== null && !Array.isArray(parsed) ? parsed as Record<string, unknown> : {};
-  } catch {
-    return {};
-  }
-}
-
 function parseTabStatus(text: string): Record<string, string> {
   const out: Record<string, string> = {};
   for (const rawLine of text.split(/\r?\n/u)) {