darkwing: row 100 round 1 packet, git socket hardening and refusal tests on 8e0fbca4 (#1594)

Co-Authored-By: Claude Opus 5.5 <[email protected]>

agents/darkwing/work/queue-100/run.py

@@ -0,0 +1,19 @@
+# python3 run.py <seconds> <log> <cmd...>: runs cmd in its own session, kills
+# the whole group on timeout and sweeps it after a normal exit. Exit 124 on
+# timeout, else the command's code.
+import os, signal, subprocess, sys
+secs, log, cmd = int(sys.argv[1]), sys.argv[2], sys.argv[3:]
+with open(log, "w") as out:
+    p = subprocess.Popen(cmd, stdout=out, stderr=subprocess.STDOUT, start_new_session=True)
+    try:
+        rc = p.wait(timeout=secs)
+    except subprocess.TimeoutExpired:
+        os.killpg(p.pid, signal.SIGKILL)
+        p.wait()
+        out.write(f"\nTIMEOUT after {secs} s\n")
+        rc = 124
+    try:
+        os.killpg(p.pid, signal.SIGKILL)
+    except ProcessLookupError:
+        pass
+sys.exit(rc)