feat(agent): add event orchestration surface

src/langbot/pkg/persistence/alembic/env.py

@@ -16,6 +16,7 @@ from langbot.pkg.entity.persistence.base import Base
 # Import all ORM models so they are registered with Base.metadata
 # This is required for autogenerate to detect model changes
 from langbot.pkg.entity.persistence import (
+    agent,  # noqa: F401
     agent_run,  # noqa: F401
     agent_runner_state,  # noqa: F401
     apikey,  # noqa: F401

src/langbot/pkg/persistence/alembic/versions/0007_merge_agent_mcp_heads.py

@@ -0,0 +1,20 @@
+"""Merge agent runner and MCP migration heads.
+
+Revision ID: 0007_merge_agent_mcp_heads
+Revises: 8d3a1f2c4b6e, 0006_normalize_mcp_remote_mode
+Create Date: 2026-06-23
+"""
+
+# revision identifiers, used by Alembic.
+revision = '0007_merge_agent_mcp_heads'
+down_revision = ('8d3a1f2c4b6e', '0006_normalize_mcp_remote_mode')
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    pass
+
+
+def downgrade() -> None:
+    pass

src/langbot/pkg/persistence/alembic/versions/0008_agent_product_surface.py

@@ -0,0 +1,66 @@
+"""Add Agent product surface tables.
+
+Revision ID: 0008_agent_product_surface
+Revises: 0007_merge_agent_mcp_heads
+Create Date: 2026-06-23
+"""
+
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = '0008_agent_product_surface'
+down_revision = '0007_merge_agent_mcp_heads'
+branch_labels = None
+depends_on = None
+
+
+def _table_exists(inspector: sa.Inspector, table_name: str) -> bool:
+    return table_name in inspector.get_table_names()
+
+
+def _column_exists(inspector: sa.Inspector, table_name: str, column_name: str) -> bool:
+    if not _table_exists(inspector, table_name):
+        return False
+    return any(column['name'] == column_name for column in inspector.get_columns(table_name))
+
+
+def upgrade() -> None:
+    bind = op.get_bind()
+    inspector = sa.inspect(bind)
+
+    if not _table_exists(inspector, 'agents'):
+        op.create_table(
+            'agents',
+            sa.Column('uuid', sa.String(length=255), nullable=False),
+            sa.Column('name', sa.String(length=255), nullable=False),
+            sa.Column('description', sa.String(length=255), nullable=False, server_default=''),
+            sa.Column('emoji', sa.String(length=10), nullable=True),
+            sa.Column('kind', sa.String(length=50), nullable=False, server_default='agent'),
+            sa.Column('component_ref', sa.String(length=255), nullable=True),
+            sa.Column('config', sa.JSON(), nullable=False, server_default='{}'),
+            sa.Column('enabled', sa.Boolean(), nullable=False, server_default=sa.true()),
+            sa.Column('supported_event_patterns', sa.JSON(), nullable=False, server_default='["*"]'),
+            sa.Column('created_at', sa.DateTime(), server_default=sa.func.now(), nullable=False),
+            sa.Column('updated_at', sa.DateTime(), server_default=sa.func.now(), nullable=False),
+            sa.PrimaryKeyConstraint('uuid'),
+            sa.UniqueConstraint('uuid'),
+        )
+
+    if _table_exists(inspector, 'bots') and not _column_exists(inspector, 'bots', 'event_bindings'):
+        with op.batch_alter_table('bots') as batch_op:
+            batch_op.add_column(sa.Column('event_bindings', sa.JSON(), nullable=False, server_default='[]'))
+
+
+def downgrade() -> None:
+    bind = op.get_bind()
+    inspector = sa.inspect(bind)
+
+    if _table_exists(inspector, 'bots') and _column_exists(inspector, 'bots', 'event_bindings'):
+        with op.batch_alter_table('bots') as batch_op:
+            batch_op.drop_column('event_bindings')
+
+    if _table_exists(inspector, 'agents'):
+        op.drop_table('agents')