DROP VIEW IF EXISTS chats_expanded;

-- The up migration left the legacy per-provider effort keys in
-- place, so removing the reasoning_effort key restores the previous
-- state exactly.
UPDATE chat_model_configs
SET options = options - 'reasoning_effort'
WHERE options ? 'reasoning_effort';

ALTER TABLE chats DROP COLUMN last_reasoning_effort;
ALTER TABLE chat_messages DROP COLUMN reasoning_effort;
ALTER TABLE chat_queued_messages DROP COLUMN reasoning_effort;
DROP TYPE chat_reasoning_effort;

CREATE VIEW chats_expanded AS
 SELECT c.id,
    c.owner_id,
    c.workspace_id,
    c.title,
    c.status,
    c.worker_id,
    c.started_at,
    c.heartbeat_at,
    c.created_at,
    c.updated_at,
    c.parent_chat_id,
    c.root_chat_id,
    c.last_model_config_id,
    c.archived,
    c.last_error,
    c.mode,
    c.mcp_server_ids,
    c.labels,
    c.build_id,
    c.agent_id,
    c.pin_order,
    c.last_read_message_id,
    c.dynamic_tools,
    c.organization_id,
    c.plan_mode,
    c.client_type,
    c.last_turn_summary,
    c.snapshot_version,
    c.history_version,
    c.queue_version,
    c.generation_attempt,
    c.retry_state,
    c.retry_state_version,
    c.runner_id,
    c.requires_action_deadline_at,
    COALESCE(root.user_acl, c.user_acl) AS user_acl,
    COALESCE(root.group_acl, c.group_acl) AS group_acl,
    owner.username AS owner_username,
    owner.name AS owner_name,
    c.context_aggregate_hash,
    c.context_dirty_since,
    c.context_dirty_resources,
    c.context_error
   FROM ((chats c
     LEFT JOIN chats root ON ((root.id = COALESCE(c.root_chat_id, c.parent_chat_id))))
     JOIN visible_users owner ON ((owner.id = c.owner_id)));