merge: fix/nightly-datadir-rw

.doc/test-reports/2026-09-16-nightly-datadir-align-test-report.md

@@ -33,8 +33,9 @@ Gitea nightly run#21 使用 `PI_AGENT_RUNNER_URL=http://127.0.0.1:18865`（dev P
 
 ### Nightly 重跑
 
-- 见 Gitea Actions 最新 `nightly-real-pi` run（dispatch 后回填 run id / verdict）
-- Verdict: 待运行完成后更新本节
+- run#25 (`89ce3cc`): DATA_DIR=dev 已对齐，但 `/host-agent-data` 曾 `:ro` → `mkdir ... read-only file system` → `product_fail`（误分类，已改 compose rw + classify infra）
+- 修复后重新 `workflow_dispatch`；见最新 run
+- Verdict: 配置 FAIL→FIX；待 green
 
 ## 六、 自动化测试套件汇总 (Test Suite Execution)
 

scripts/run-nightly-real-pi.sh

@@ -58,7 +58,7 @@ write_receipt() {
 classify_test_log() {
   local log_file="$1"
   # Heuristics: auth/network/timeout/unavailable → infra; assertion/FAIL → product
-  if grep -Eiq 'context deadline exceeded|connection refused|401 Unauthorized|Unauthorized|runner not available|no such host|i/o timeout|TLS handshake|dial tcp' "${log_file}"; then
+  if grep -Eiq 'context deadline exceeded|connection refused|401 Unauthorized|Unauthorized|runner not available|no such host|i/o timeout|TLS handshake|dial tcp|read-only file system|mkdir .* read-only' "${log_file}"; then
     echo infra
     return
   fi