fix: clarify caserun hwpod job polling

tools/hwlab-cli/caserun.test.ts

@@ -465,7 +465,8 @@ test("case run orchestrates agent prompt, diff capture, and compile evidence wit
     assert.match(prompt, /hwpod-ctl spec validate --spec \.hwlab\/hwpod-spec\.yaml/u);
     assert.match(prompt, /standard hwpod\/hwpod-ctl commands/u);
     assert.match(prompt, /hwpod job status <jobId> --spec \.hwlab\/hwpod-spec\.yaml/u);
-    assert.match(prompt, /不要再用 shell timeout\/head\/pipe 包住/u);
+    assert.match(prompt, /不要再用 shell sleep\/&&\/timeout\/watch\/head\/pipe/u);
+    assert.match(prompt, /separate short `hwpod job status <jobId> --spec \.hwlab\/hwpod-spec\.yaml` commands/u);
     const diff = await readFile(path.join(cwd, ".state", "hwlab-cli", "caserun", "run-agent-flow", "agent-diff.patch"), "utf8");
     assert.match(diff, /printf\("hello"\)/u);
     assert.equal(requests.some((item) => item.url === "http://web.test/v1/agent/sessions"), true);

tools/src/hwlab-caserun-lib.ts

@@ -1043,7 +1043,7 @@ async function renderAgentTaskPrompt(run: PreparedCaseRun, agentTask: PreparedAg
     "如果 .hwlab/hwpod-spec.yaml 缺失或内容明显不是本次 case，请报告 CaseRun workspace setup 错误，不要自行编造或迁移 spec。",
     "若 case prompt 要求源码修改，必须只改 subjectWorktreePath；若 prompt 未要求源码修改，则保持 subject 源码不变。",
     "不要运行 CaseRun 答案执行器；你本人必须通过 hwpod/hwpod-ctl 标准入口触发编译验证。",
-    "hwpod build/download 是长任务短连接入口；不要再用 shell timeout/head/pipe 包住它们。记录返回 JSON 里的 jobId/job_id，再用 hwpod job status <jobId> --spec .hwlab/hwpod-spec.yaml 做有限轮询。"
+    "hwpod build/download 是长任务短连接入口；不要再用 shell sleep/&&/timeout/watch/head/pipe 或 shell loop 包住它们。记录返回 JSON 里的 jobId/job_id，再用独立的 hwpod job status <jobId> --spec .hwlab/hwpod-spec.yaml 短命令做有限轮询。"
   ].filter(Boolean);
   return [
     `# HWPOD CaseRun Code Agent Task`,
@@ -1070,7 +1070,7 @@ async function renderAgentTaskPrompt(run: PreparedCaseRun, agentTask: PreparedAg
     `- Run \`hwpod-ctl spec validate --spec .hwlab/hwpod-spec.yaml\`.`,
     `- Run \`hwpod inspect --spec .hwlab/hwpod-spec.yaml\`.`,
     `- Follow the case task using standard hwpod/hwpod-ctl commands. Run build/download/UART steps only when the case explicitly asks for them, and report returned JSON/job/artifact/serial summaries.`,
-    `- For hwpod build/download, keep the HWPOD command unwrapped so it can return async JSON; then poll the returned job id with \`hwpod job status <jobId> --spec .hwlab/hwpod-spec.yaml\` a bounded number of times.`,
+    `- For hwpod build/download, keep the HWPOD command unwrapped so it can return async JSON; then poll the returned job id with separate short \`hwpod job status <jobId> --spec .hwlab/hwpod-spec.yaml\` commands a bounded number of times. Do not wrap status polling with shell sleep, &&, timeout, watch, head, pipes, or shell loops.`,
     `- CaseRun will inspect git diff under subjectWorktreePath after your turn completes and may run a runner post-check compile as separate evidence.`,
     `- CaseRun records trace/session/conversation, agent commandExecution, workspace diff and Keil build evidence without auto-grading them.`
   ].join("\n");