fix: make hwlab monitor status read-only

scripts/src/hwlab-g14.ts

@@ -3,7 +3,7 @@ import { dirname, join } from "node:path";
 import { createHash } from "node:crypto";
 import { repoRoot, rootPath, type Config } from "./config";
 import { runCommand } from "./command";
-import { startJob } from "./jobs";
+import { readJob, startJob } from "./jobs";
 
 const HWLAB_REPO = "pikasTech/HWLAB";
 const G14_SOURCE_BRANCH = "G14";
@@ -5347,6 +5347,7 @@ export function hwlabG14Help(): Record<string, unknown> {
     usage: [
       "bun scripts/cli.ts hwlab g14 monitor-prs",
       "bun scripts/cli.ts hwlab g14 monitor-prs --lane v02",
+      "bun scripts/cli.ts hwlab g14 monitor-prs --lane v02 --status",
       "bun scripts/cli.ts hwlab g14 monitor-prs --once --dry-run",
       "bun scripts/cli.ts hwlab g14 monitor-prs --lane v02 --once --dry-run",
       "bun scripts/cli.ts hwlab g14 record-rollout --pr <number> [--source-commit sha]",
@@ -5405,6 +5406,67 @@ export function hwlabG14Help(): Record<string, unknown> {
   };
 }
 
+function monitorStatus(options: G14MonitorOptions): Record<string, unknown> {
+  const stateDir = rootPath(".state", "hwlab-g14");
+  const stateFileName = hwlabG14MonitorStateFileName(options);
+  const stateFileRole = hwlabG14MonitorStateRole(options);
+  const latestPath = join(stateDir, stateFileName);
+  const exists = existsSync(latestPath);
+  let latest: Record<string, unknown> | null = null;
+  let job: Record<string, unknown> | null = null;
+  let statusCommand: string | null = null;
+  let degradedReason: string | null = null;
+  if (exists) {
+    try {
+      latest = record(JSON.parse(readFileSync(latestPath, "utf8")) as unknown);
+      const jobId = typeof latest.jobId === "string" ? latest.jobId : null;
+      if (jobId !== null) {
+        statusCommand = `bun scripts/cli.ts job status ${jobId} --tail-bytes 30000`;
+        try {
+          const current = readJob(jobId);
+          job = {
+            id: current.id,
+            name: current.name,
+            status: current.status,
+            createdAt: current.createdAt,
+            startedAt: current.startedAt,
+            finishedAt: current.finishedAt,
+            exitCode: current.exitCode,
+            runnerPid: current.runnerPid ?? null,
+            stdoutFile: current.stdoutFile,
+            stderrFile: current.stderrFile,
+            note: current.note,
+          };
+        } catch (error) {
+          degradedReason = error instanceof Error ? error.message : String(error);
+        }
+      }
+    } catch (error) {
+      degradedReason = `failed to parse ${latestPath}: ${error instanceof Error ? error.message : String(error)}`;
+    }
+  }
+  return {
+    ok: degradedReason === null,
+    command: "hwlab g14 monitor-prs --status",
+    lane: options.lane,
+    baseBranch: monitorBaseBranch(options.lane),
+    mode: "status",
+    latestPath,
+    stateFileName,
+    stateFileRole,
+    exists,
+    latest,
+    job,
+    statusCommand,
+    degradedReason,
+    next: statusCommand === null ? {
+      start: `bun scripts/cli.ts hwlab g14 monitor-prs --lane ${options.lane}`,
+    } : {
+      status: statusCommand,
+    },
+  };
+}
+
 export async function runHwlabG14Command(_config: Config, args: string[]): Promise<Record<string, unknown>> {
   if (args.length === 0 || args.includes("--help") || args.includes("-h")) return { ok: true, ...hwlabG14Help() };
   const [action] = args;
@@ -5439,6 +5501,7 @@ export async function runHwlabG14Command(_config: Config, args: string[]): Promi
   }
   const options = parseOptions(args.slice(1));
   if (options.worker) return runMonitorWorker(options);
+  if (args.includes("--status")) return monitorStatus(options);
   const command = ["bun", "scripts/cli.ts", "hwlab", "g14", "monitor-prs", "--worker", "--lane", options.lane, "--interval-seconds", String(options.intervalSeconds), "--timeout-seconds", String(options.timeoutSeconds), ...(options.once ? ["--once"] : []), ...(options.dryRun ? ["--dry-run"] : []), ...(options.maxCycles > 0 ? ["--max-cycles", String(options.maxCycles)] : [])];
   const jobName = options.lane === "v02" ? "hwlab_g14_v02_pr_monitor" : "hwlab_g14_pr_monitor";
   const jobNote = options.lane === "v02"