feat: add boards and tasks management endpoints

backend/alembic/versions/9c4f1a2b3d4e_drop_tenancy_tables.py

@@ -0,0 +1,56 @@
+"""drop tenancy tables and columns
+
+Revision ID: 9c4f1a2b3d4e
+Revises: 8b6d1b8f4b21
+Create Date: 2026-02-03 23:35:00.000000
+
+"""
+
+from __future__ import annotations
+
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = "9c4f1a2b3d4e"
+down_revision = "8b6d1b8f4b21"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.drop_table("task_subagents")
+    op.drop_table("task_status_history")
+    op.drop_table("task_deliverables")
+    op.drop_table("task_activities")
+    op.drop_table("transcripts")
+    op.drop_table("openclaw_sessions")
+    op.drop_table("workspace_api_tokens")
+    op.drop_table("orchestration_templates")
+    op.drop_table("memberships")
+    op.drop_table("gateway_configs")
+
+    op.drop_constraint("tasks_assigned_agent_id_fkey", "tasks", type_="foreignkey")
+    op.drop_constraint("tasks_org_id_fkey", "tasks", type_="foreignkey")
+    op.drop_constraint("tasks_workspace_id_fkey", "tasks", type_="foreignkey")
+    op.drop_index(op.f("ix_tasks_assigned_agent_id"), table_name="tasks")
+    op.drop_index(op.f("ix_tasks_org_id"), table_name="tasks")
+    op.drop_index(op.f("ix_tasks_workspace_id"), table_name="tasks")
+    op.drop_column("tasks", "assigned_agent_id")
+    op.drop_column("tasks", "org_id")
+    op.drop_column("tasks", "workspace_id")
+
+    op.drop_constraint("boards_org_id_fkey", "boards", type_="foreignkey")
+    op.drop_constraint("boards_workspace_id_fkey", "boards", type_="foreignkey")
+    op.drop_index(op.f("ix_boards_org_id"), table_name="boards")
+    op.drop_index(op.f("ix_boards_workspace_id"), table_name="boards")
+    op.drop_column("boards", "org_id")
+    op.drop_column("boards", "workspace_id")
+
+    op.drop_table("agents")
+    op.drop_table("workspaces")
+    op.drop_table("orgs")
+
+
+def downgrade() -> None:
+    raise NotImplementedError("Downgrade not supported for simplified tenancy removal.")