feat(agent-runner): audit steering injection

src/langbot/pkg/agent/runner/orchestrator.py

@@ -235,6 +235,15 @@ class AgentRunOrchestrator:
                 binding=binding,
                 run_id=target_run_id,
                 runner_id=descriptor.id,
+                metadata={
+                    'steering': {
+                        'status': 'queued',
+                        'trigger_behavior': 'absorbed_into_active_run',
+                        'claimed_by_run_id': target_run_id,
+                        'claimed_runner_id': descriptor.id,
+                        'claimed_at': steering_item.get('claimed_at'),
+                    },
+                },
             )
             await self.journal.register_input_artifacts(
                 event=event,

src/langbot/pkg/agent/runner/run_journal.py

@@ -82,6 +82,7 @@ class AgentRunJournal:
         binding: AgentBinding,
         run_id: str,
         runner_id: str,
+        metadata: dict[str, typing.Any] | None = None,
     ) -> str:
         """Write incoming event to EventLog."""
         import datetime
@@ -119,6 +120,7 @@ class AgentRunJournal:
             run_id=run_id,
             runner_id=runner_id,
             event_time=datetime.datetime.fromtimestamp(event.event_time) if event.event_time else None,
+            metadata=metadata,
         )
 
     async def register_input_artifacts(