fix: parse porcelain status safely

scripts/af_click_gap_pipeline.py

@@ -175,13 +175,15 @@ def git_run(repo: Path, args: list[str]) -> subprocess.CompletedProcess[str]:
 def git_publish(repo: Path, start: str, end: str, no_push: bool) -> str:
     if not (repo / ".git").exists():
         raise RuntimeError("仓库尚未初始化")
-    status = git_run(repo, ["status", "--porcelain", "--untracked-files=all"]).stdout.strip().splitlines()
+    status_output = git_run(repo, ["status", "--porcelain", "--untracked-files=all"]).stdout
+    status = status_output.splitlines()
     allowed = re.compile(r"data/(?:index\.json|[0-9]{8}\.json)$")
     allowed_paths = []
     unexpected = []
     for line in status:
-        path = line[3:] if len(line) >= 4 else ""
-        if not allowed.fullmatch(path):
+        prefix = line[:2] if len(line) >= 2 else ""
+        path = line[3:] if len(line) >= 4 and line[2] == " " else ""
+        if prefix not in {" M", "M ", "??", "D ", " D"} or not allowed.fullmatch(path):
             unexpected.append(line)
         else:
             allowed_paths.append(path)