fix(trigger): hide external trigger inputs

nanobot/triggers/runner.py

@@ -10,12 +10,11 @@ from loguru import logger
 
 from nanobot.bus.events import InboundMessage
 from nanobot.bus.queue import MessageBus
+from nanobot.triggers.session_turns import EXTERNAL_TRIGGER_META
 from nanobot.triggers.store import ExternalTriggerStore
 from nanobot.triggers.types import ExternalTrigger, TriggerDelivery
 from nanobot.webui.metadata import WEBUI_MESSAGE_SOURCE_METADATA_KEY, WEBUI_TURN_METADATA_KEY
 
-EXTERNAL_TRIGGER_META = "_external_trigger"
-
 
 async def run_external_trigger_queue(
     *,

nanobot/triggers/session_turns.py

@@ -0,0 +1,51 @@
+"""Shared metadata helpers for local external trigger session turns."""
+
+from __future__ import annotations
+
+from typing import Any, Mapping
+
+from nanobot.session.automation_turns import (
+    AutomationTurnSpec,
+    automation_history_overrides_for_spec,
+    automation_trigger,
+)
+
+EXTERNAL_TRIGGER_META = "_external_trigger"
+
+
+def _external_trigger_history_text(trigger: Mapping[str, Any]) -> str:
+    name = trigger.get("trigger_name")
+    trigger_id = trigger.get("trigger_id")
+    label = name if isinstance(name, str) and name.strip() else trigger_id
+    return (
+        f"External trigger received: {label}"
+        if isinstance(label, str) and label.strip()
+        else "External trigger received"
+    )
+
+
+EXTERNAL_TRIGGER_AUTOMATION_SPEC = AutomationTurnSpec(
+    kind="trigger",
+    trigger_meta_key=EXTERNAL_TRIGGER_META,
+    history_fields={
+        "trigger_id": "trigger_id",
+        "trigger_name": "trigger_name",
+        "trigger_delivery_id": "delivery_id",
+    },
+    text_builder=_external_trigger_history_text,
+)
+
+
+def external_trigger(metadata: Mapping[str, Any] | None) -> dict[str, Any] | None:
+    """Return structured external trigger metadata when present."""
+    return automation_trigger(metadata, EXTERNAL_TRIGGER_AUTOMATION_SPEC)
+
+
+def external_trigger_history_overrides(
+    metadata: Mapping[str, Any] | None,
+) -> tuple[str | None, dict[str, Any]]:
+    """Return session-history text/metadata overrides for an external trigger turn."""
+    return automation_history_overrides_for_spec(
+        metadata,
+        EXTERNAL_TRIGGER_AUTOMATION_SPEC,
+    )