feat: notify on exec exit

src/config/schema.ts

@@ -135,6 +135,7 @@ const FIELD_LABELS: Record<string, string> = {
   "agents.list[].tools.byProvider": "Agent Tool Policy by Provider",
   "tools.exec.applyPatch.enabled": "Enable apply_patch",
   "tools.exec.applyPatch.allowModels": "apply_patch Model Allowlist",
+  "tools.exec.notifyOnExit": "Exec Notify On Exit",
   "tools.message.allowCrossContextSend": "Allow Cross-Context Messaging",
   "tools.message.crossContext.allowWithinProvider": "Allow Cross-Context (Same Provider)",
   "tools.message.crossContext.allowAcrossProviders": "Allow Cross-Context (Across Providers)",
@@ -288,6 +289,8 @@ const FIELD_HELP: Record<string, string> = {
     "Experimental. Enables apply_patch for OpenAI models when allowed by tool policy.",
   "tools.exec.applyPatch.allowModels":
     'Optional allowlist of model ids (e.g. "gpt-5.2" or "openai/gpt-5.2").',
+  "tools.exec.notifyOnExit":
+    "When true (default), backgrounded exec sessions enqueue a system event and request a heartbeat on exit.",
   "tools.message.allowCrossContextSend":
     "Legacy override: allow cross-context sends across all providers.",
   "tools.message.crossContext.allowWithinProvider":