feat(agent): add event orchestration surface

src/langbot/pkg/entity/persistence/agent.py

@@ -0,0 +1,26 @@
+import sqlalchemy
+
+from .base import Base
+
+
+class Agent(Base):
+    """Product-level Agent orchestration instance."""
+
+    __tablename__ = 'agents'
+
+    uuid = sqlalchemy.Column(sqlalchemy.String(255), primary_key=True, unique=True)
+    name = sqlalchemy.Column(sqlalchemy.String(255), nullable=False)
+    description = sqlalchemy.Column(sqlalchemy.String(255), nullable=False, default='')
+    emoji = sqlalchemy.Column(sqlalchemy.String(10), nullable=True, default='🤖')
+    kind = sqlalchemy.Column(sqlalchemy.String(50), nullable=False, default='agent')
+    component_ref = sqlalchemy.Column(sqlalchemy.String(255), nullable=True)
+    config = sqlalchemy.Column(sqlalchemy.JSON, nullable=False, default={})
+    enabled = sqlalchemy.Column(sqlalchemy.Boolean, nullable=False, default=True)
+    supported_event_patterns = sqlalchemy.Column(sqlalchemy.JSON, nullable=False, default=['*'])
+    created_at = sqlalchemy.Column(sqlalchemy.DateTime, nullable=False, server_default=sqlalchemy.func.now())
+    updated_at = sqlalchemy.Column(
+        sqlalchemy.DateTime,
+        nullable=False,
+        server_default=sqlalchemy.func.now(),
+        onupdate=sqlalchemy.func.now(),
+    )

src/langbot/pkg/entity/persistence/bot.py

@@ -17,6 +17,7 @@ class Bot(Base):
     use_pipeline_name = sqlalchemy.Column(sqlalchemy.String(255), nullable=True)
     use_pipeline_uuid = sqlalchemy.Column(sqlalchemy.String(255), nullable=True)
     pipeline_routing_rules = sqlalchemy.Column(sqlalchemy.JSON, nullable=False, server_default='[]')
+    event_bindings = sqlalchemy.Column(sqlalchemy.JSON, nullable=False, server_default='[]')
     created_at = sqlalchemy.Column(sqlalchemy.DateTime, nullable=False, server_default=sqlalchemy.func.now())
     updated_at = sqlalchemy.Column(
         sqlalchemy.DateTime,