fix: CaseRun blocker visibility in status + cloud-api hwpod_node_not_connected error

internal/cloud/server.ts

@@ -754,7 +754,7 @@ async function forwardHwpodNodeOpsPlan(targetUrl, plan, requestMeta, options) {
     });
   }
   if (target.ok && target.nodeId && target.nodeId !== plan.nodeId) {
-    return directHwpodNodeBlocked(plan, "hwpod_node_id_mismatch", `configured hwpod-node URL is ${target.nodeId}, but plan targets ${plan.nodeId}`, {
+    return directHwpodNodeBlocked(plan, "hwpod_node_not_connected", `${plan.nodeId} is not connected via WebSocket and HWLAB_HWPOD_NODE_OPS_URL points to ${target.nodeId}`, {
       requestedNodeId: plan.nodeId,
       targetNodeId: target.nodeId,
       targetUrl: redactNodeOpsUrl(targetUrl),

tools/src/hwlab-caserun-lib.ts

@@ -374,7 +374,9 @@ async function runCaseRunWorker(context: CaseContext) {
     return payload;
   } catch (error) {
     const run = await readRunFromDir(runDir).catch(() => loadControlRunSkeleton(workerContext, caseId, runId, runDir));
-    await writeRunControl(workerContext, run, { status: "failed", stage: "failed", completedAt: context.now(), exitCode: 1, error: errorSummary(error) });
+    const summary = errorSummary(error);
+    const blocker = extractPrepareBlocker(summary);
+    await writeRunControl(workerContext, run, { status: "failed", stage: "failed", completedAt: context.now(), exitCode: 1, error: summary, ...(blocker ? { blocker } : {}) });
     throw error;
   }
 }
@@ -412,6 +414,7 @@ export async function statusCaseRun(context: CaseContext) {
     agent: run.agent ? agentSummary(run.agent) : null,
     traceLookup: run.agent ? agentTraceLookupForRun(run) : null,
     agentDiff: run.agentDiff ? diffSummary(run.agentDiff) : null,
+    blocker: control.blocker ?? null,
     evidencePath: text(run.evidencePath ?? control.resultPath) || null,
     nextPollCommand: `hwlab-cli case run status ${run.runId} --state-dir ${stateRoot(context)}`,
     resultCommand: `hwlab-cli case run result ${run.runId} --state-dir ${stateRoot(context)}`,
@@ -2437,6 +2440,18 @@ function errorSummary(error: unknown) {
   return { code: typeof (error as any)?.code === "string" ? (error as any).code : "caserun_worker_failed", message: error instanceof Error ? error.message : String(error), details: (error as any)?.details ?? null };
 }
 
+function extractPrepareBlocker(summary: ReturnType<typeof errorSummary>) {
+  const results = (summary.details as any)?.body?.body?.results ?? (summary.details as any)?.body?.results ?? [];
+  if (!Array.isArray(results) || results.length === 0) return null;
+  for (const r of results) {
+    const blocker = (r as any)?.blocker;
+    if (blocker && typeof blocker.code === "string") {
+      return { code: blocker.code, summary: blocker.summary ?? "", layer: blocker.layer ?? null };
+    }
+  }
+  return null;
+}
+
 function commandVisibility(command: string[]) {
   return command.map((item) => item.includes("/") || item.includes("\\") ? path.basename(item) || item : item);
 }