feat(ack): shard task records for merge-safe workspaces

skills/tester/scripts/generate_cases_csv.py

@@ -1,5 +1,9 @@
 #!/usr/bin/env python3
-"""从 .pouch/tester/cases/*.yaml 生成给人看的 cases.csv。不要手改 CSV。"""
+"""从 .pouch/tester/cases/*.yaml 生成给人看的 cases.csv。不要手改 CSV。
+
+运行结果属于 runs/ 下的追加式记录，不回写本清单，避免多个工作区共同
+刷新运行状态造成合并冲突。
+"""
 
 from __future__ import annotations
 
@@ -32,11 +36,6 @@ FIELDS = (
     "how",
     "expected",
     "notes",
-    "last_run",
-    "last_result",
-    "last_executed",
-    "last_evidence",
-    "last_notes",
 )
 
 
@@ -148,28 +147,8 @@ def sort_cases(root: Path, cases: list[dict[str, Any]]) -> list[dict[str, Any]]:
     )
 
 
-def last_run_lookup(root: Path) -> tuple[str, dict[str, dict[str, Any]]]:
-    from generate_run_csv import latest_run_yaml, load_run, results_by_id
-
-    run_path = latest_run_yaml(root)
-    if run_path is None:
-        return "", {}
-    try:
-        run = load_run(run_path)
-    except SystemExit:
-        return "", {}
-    try:
-        rel = str(run_path.relative_to(root))
-    except ValueError:
-        rel = str(run_path)
-    return rel, results_by_id(run)
-
-
 def export_cases_csv(root: Path, out: Path | None = None) -> Path:
-    from generate_run_csv import executed_cell
-
     cases = sort_cases(root, load_cases(root))
-    last_run, last_by_id = last_run_lookup(root)
     path = out or (tester_dir(root) / "cases.csv")
     path.parent.mkdir(parents=True, exist_ok=True)
     with path.open("w", encoding="utf-8-sig", newline="") as handle:
@@ -177,8 +156,6 @@ def export_cases_csv(root: Path, out: Path | None = None) -> Path:
         writer.writeheader()
         for case in cases:
             cid = str(case.get("id") or "")
-            last = last_by_id.get(cid) or {}
-            last_result = str(last.get("result") or "") if last else ""
             writer.writerow(
                 {
                     "category": case.get("category") or "",
@@ -197,11 +174,6 @@ def export_cases_csv(root: Path, out: Path | None = None) -> Path:
                     "how": how_brief(case.get("how")),
                     "expected": one_line(case.get("expected")),
                     "notes": one_line(case.get("notes")),
-                    "last_run": last_run if last else "",
-                    "last_result": last_result,
-                    "last_executed": executed_cell(last_result) if last else "",
-                    "last_evidence": one_line(last.get("evidence")) if last else "",
-                    "last_notes": one_line(last.get("notes")) if last else "",
                 }
             )
     return path