fix: stop claude subagent completion reviving working

refs #198

1 files changed, 9 insertions, 2 deletions

diff --git a/src/integration/assets/claude/herdr-agent-state.sh b/src/integration/assets/claude/herdr-agent-state.sh
index 035c3fe0..5042cad8 100644
--- a/src/integration/assets/claude/herdr-agent-state.sh
+++ b/src/integration/assets/claude/herdr-agent-state.sh
@@ -2,7 +2,7 @@
 # installed by herdr
 # safe to edit. this hook only activates inside herdr-managed panes.
 # HERDR_INTEGRATION_ID=claude
-# HERDR_INTEGRATION_VERSION=2
+# HERDR_INTEGRATION_VERSION=3
 
 set -eu
 
@@ -47,9 +47,16 @@ if hook_input_file:
     except Exception:
         hook_input = {}
 
+hook_event_name = str(hook_input.get("hook_event_name") or "")
 is_subagent = bool(hook_input.get("agent_id"))
+if hook_event_name == "SubagentStop":
+    # SubagentStop is a completion event. Older Herdr integrations mapped it
+    # to durable working, but Claude recap/away-summary can emit it after the
+    # main turn has already stopped. Never let it revive an idle pane.
+    raise SystemExit(0)
 if is_subagent and action in ("idle", "release"):
-    action = "working"
+    # Subagent completion must not make the parent pane look done early.
+    raise SystemExit(0)
 
 request_id = f"{source}:{int(time.time() * 1000)}:{random.randrange(1_000_000):06d}"
 report_seq = time.time_ns()