Add tool call observability

src/langbot/pkg/persistence/migrations/dbm026_monitoring_tool_calls.py

@@ -0,0 +1,17 @@
+from langbot.pkg.entity.persistence import monitoring as persistence_monitoring
+from .. import migration
+
+
+@migration.migration_class(26)
+class DBMigrateMonitoringToolCalls(migration.DBMigration):
+    """Add monitoring_tool_calls table"""
+
+    async def upgrade(self):
+        """Upgrade"""
+        async with self.ap.persistence_mgr.get_db_engine().begin() as conn:
+            await conn.run_sync(persistence_monitoring.MonitoringToolCall.__table__.create, checkfirst=True)
+
+    async def downgrade(self):
+        """Downgrade"""
+        async with self.ap.persistence_mgr.get_db_engine().begin() as conn:
+            await conn.run_sync(persistence_monitoring.MonitoringToolCall.__table__.drop, checkfirst=True)