"""Initial schema. Revision ID: 0001_initial_schema Revises: Create Date: 2026-07-03 00:00:00 """ from __future__ import annotations import sqlalchemy as sa from alembic import op revision = "0001_initial_schema" down_revision = None branch_labels = None depends_on = None def upgrade() -> None: op.create_table( "tasks", sa.Column("task_id", sa.String(length=64), primary_key=True), sa.Column("project_id", sa.String(length=128), nullable=False), sa.Column("conversation_id", sa.String(length=128), nullable=True), sa.Column("goal", sa.Text(), nullable=False), sa.Column("inputs_json", sa.JSON(), nullable=False), sa.Column("status", sa.String(length=64), nullable=False), sa.Column("requested_mode", sa.String(length=64), nullable=False), sa.Column("effective_mode", sa.String(length=64), nullable=False), sa.Column("current_node_id", sa.String(length=64), nullable=True), sa.Column("result_summary_json", sa.JSON(), nullable=False), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False), sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False), ) op.create_index("ix_tasks_project_id", "tasks", ["project_id"]) op.create_index("ix_tasks_conversation_id", "tasks", ["conversation_id"]) op.create_index("ix_tasks_status", "tasks", ["status"]) op.create_index("ix_tasks_updated_at", "tasks", ["updated_at"]) op.create_table( "task_graphs", sa.Column("task_id", sa.String(length=64), primary_key=True), sa.Column("graph_version", sa.Integer(), nullable=False), sa.Column("graph_metadata_json", sa.JSON(), nullable=False), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False), ) op.create_table( "task_nodes", sa.Column("node_id", sa.String(length=64), primary_key=True), sa.Column("task_id", sa.String(length=64), nullable=False), sa.Column("node_type", sa.String(length=64), nullable=False), sa.Column("status", sa.String(length=64), nullable=False), sa.Column("input_json", sa.JSON(), nullable=False), sa.Column("output_json", sa.JSON(), nullable=False), sa.Column("dependencies_json", sa.JSON(), nullable=False), sa.Column("assigned_runner", sa.String(length=128), nullable=True), sa.Column("attempts", sa.Integer(), nullable=False), sa.Column("retryable", sa.Boolean(), nullable=False), sa.Column("timeout_ms", sa.Integer(), nullable=True), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False), sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False), ) op.create_index("ix_task_nodes_task_id", "task_nodes", ["task_id"]) op.create_index("ix_task_nodes_status", "task_nodes", ["status"]) op.create_table( "confirmations", sa.Column("confirmation_id", sa.String(length=64), primary_key=True), sa.Column("task_id", sa.String(length=64), nullable=False), sa.Column("node_id", sa.String(length=64), nullable=False), sa.Column("status", sa.String(length=64), nullable=False), sa.Column("scope", sa.String(length=32), nullable=False), sa.Column("decision_json", sa.JSON(), nullable=False), sa.Column("preview_json", sa.JSON(), nullable=False), sa.Column("comment", sa.Text(), nullable=True), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False), sa.Column("resolved_at", sa.DateTime(timezone=True), nullable=True), ) op.create_index("ix_confirmations_task_id", "confirmations", ["task_id"]) op.create_index("ix_confirmations_node_id", "confirmations", ["node_id"]) op.create_index("ix_confirmations_status", "confirmations", ["status"]) op.create_table( "worker_sessions", sa.Column("session_id", sa.String(length=64), primary_key=True), sa.Column("worker_id", sa.String(length=128), nullable=False), sa.Column("name", sa.String(length=255), nullable=False), sa.Column("machine", sa.String(length=255), nullable=False), sa.Column("os", sa.String(length=64), nullable=False), sa.Column("version", sa.String(length=64), nullable=False), sa.Column("status", sa.String(length=64), nullable=False), sa.Column("capabilities_json", sa.JSON(), nullable=False), sa.Column("last_heartbeat_at", sa.DateTime(timezone=True), nullable=False), sa.Column("current_task_id", sa.String(length=64), nullable=True), sa.Column("connected_at", sa.DateTime(timezone=True), nullable=False), sa.Column("disconnected_at", sa.DateTime(timezone=True), nullable=True), ) op.create_index("ix_worker_sessions_worker_id", "worker_sessions", ["worker_id"]) op.create_index("ix_worker_sessions_status", "worker_sessions", ["status"]) op.create_index( "ix_worker_sessions_last_heartbeat_at", "worker_sessions", ["last_heartbeat_at"], ) op.create_table( "task_events", sa.Column("event_id", sa.String(length=64), primary_key=True), sa.Column("task_id", sa.String(length=64), nullable=False), sa.Column("conversation_id", sa.String(length=128), nullable=True), sa.Column("node_id", sa.String(length=64), nullable=True), sa.Column("event_type", sa.String(length=128), nullable=False), sa.Column("correlation_id", sa.String(length=64), nullable=True), sa.Column("causation_id", sa.String(length=64), nullable=True), sa.Column("payload_json", sa.JSON(), nullable=False), sa.Column("occurred_at", sa.DateTime(timezone=True), nullable=False), ) op.create_index("ix_task_events_task_id", "task_events", ["task_id"]) op.create_index("ix_task_events_occurred_at", "task_events", ["occurred_at"]) op.create_table( "model_invocations", sa.Column("invocation_id", sa.String(length=64), primary_key=True), sa.Column("task_id", sa.String(length=64), nullable=False), sa.Column("node_id", sa.String(length=64), nullable=True), sa.Column("slot", sa.String(length=64), nullable=False), sa.Column("provider", sa.String(length=64), nullable=False), sa.Column("model", sa.String(length=255), nullable=False), sa.Column("status", sa.String(length=64), nullable=False), sa.Column("request_json", sa.JSON(), nullable=False), sa.Column("response_json", sa.JSON(), nullable=False), sa.Column("usage_json", sa.JSON(), nullable=False), sa.Column("fallback_from_invocation_id", sa.String(length=64), nullable=True), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False), ) op.create_index("ix_model_invocations_task_id", "model_invocations", ["task_id"]) op.create_index("ix_model_invocations_created_at", "model_invocations", ["created_at"]) op.create_table( "tool_invocations", sa.Column("invocation_id", sa.String(length=64), primary_key=True), sa.Column("task_id", sa.String(length=64), nullable=False), sa.Column("node_id", sa.String(length=64), nullable=True), sa.Column("source_type", sa.String(length=64), nullable=False), sa.Column("source_id", sa.String(length=128), nullable=False), sa.Column("tool_name", sa.String(length=255), nullable=False), sa.Column("status", sa.String(length=64), nullable=False), sa.Column("request_json", sa.JSON(), nullable=False), sa.Column("response_json", sa.JSON(), nullable=False), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False), ) op.create_index("ix_tool_invocations_task_id", "tool_invocations", ["task_id"]) op.create_index("ix_tool_invocations_created_at", "tool_invocations", ["created_at"]) def downgrade() -> None: op.drop_index("ix_tool_invocations_created_at", table_name="tool_invocations") op.drop_index("ix_tool_invocations_task_id", table_name="tool_invocations") op.drop_table("tool_invocations") op.drop_index("ix_model_invocations_created_at", table_name="model_invocations") op.drop_index("ix_model_invocations_task_id", table_name="model_invocations") op.drop_table("model_invocations") op.drop_index("ix_task_events_occurred_at", table_name="task_events") op.drop_index("ix_task_events_task_id", table_name="task_events") op.drop_table("task_events") op.drop_index("ix_worker_sessions_last_heartbeat_at", table_name="worker_sessions") op.drop_index("ix_worker_sessions_status", table_name="worker_sessions") op.drop_index("ix_worker_sessions_worker_id", table_name="worker_sessions") op.drop_table("worker_sessions") op.drop_index("ix_confirmations_status", table_name="confirmations") op.drop_index("ix_confirmations_node_id", table_name="confirmations") op.drop_index("ix_confirmations_task_id", table_name="confirmations") op.drop_table("confirmations") op.drop_index("ix_task_nodes_status", table_name="task_nodes") op.drop_index("ix_task_nodes_task_id", table_name="task_nodes") op.drop_table("task_nodes") op.drop_table("task_graphs") op.drop_index("ix_tasks_updated_at", table_name="tasks") op.drop_index("ix_tasks_status", table_name="tasks") op.drop_index("ix_tasks_conversation_id", table_name="tasks") op.drop_index("ix_tasks_project_id", table_name="tasks") op.drop_table("tasks")