feat: allow renaming of agent chat title (#24489)

Co-authored-by: Coder Agents <noreply@coder.com>

coderd/database/queries.sql.go

@@ -8565,6 +8565,60 @@ func (q *sqlQuerier) UpdateChatStatusPreserveUpdatedAt(ctx context.Context, arg
 	return i, err
 }
 
+const updateChatTitleByID = `-- name: UpdateChatTitleByID :one
+UPDATE
+    chats
+SET
+    -- NOTE: updated_at is intentionally NOT touched here to avoid
+    -- changing list ordering when a user renames an older chat
+    -- out-of-band.
+    title = $1::text
+WHERE
+    id = $2::uuid
+RETURNING
+    id, owner_id, workspace_id, title, status, worker_id, started_at, heartbeat_at, created_at, updated_at, parent_chat_id, root_chat_id, last_model_config_id, archived, last_error, mode, mcp_server_ids, labels, build_id, agent_id, pin_order, last_read_message_id, last_injected_context, dynamic_tools, organization_id, plan_mode, client_type
+`
+
+type UpdateChatTitleByIDParams struct {
+	Title string    `db:"title" json:"title"`
+	ID    uuid.UUID `db:"id" json:"id"`
+}
+
+func (q *sqlQuerier) UpdateChatTitleByID(ctx context.Context, arg UpdateChatTitleByIDParams) (Chat, error) {
+	row := q.db.QueryRowContext(ctx, updateChatTitleByID, arg.Title, arg.ID)
+	var i Chat
+	err := row.Scan(
+		&i.ID,
+		&i.OwnerID,
+		&i.WorkspaceID,
+		&i.Title,
+		&i.Status,
+		&i.WorkerID,
+		&i.StartedAt,
+		&i.HeartbeatAt,
+		&i.CreatedAt,
+		&i.UpdatedAt,
+		&i.ParentChatID,
+		&i.RootChatID,
+		&i.LastModelConfigID,
+		&i.Archived,
+		&i.LastError,
+		&i.Mode,
+		pq.Array(&i.MCPServerIDs),
+		&i.Labels,
+		&i.BuildID,
+		&i.AgentID,
+		&i.PinOrder,
+		&i.LastReadMessageID,
+		&i.LastInjectedContext,
+		&i.DynamicTools,
+		&i.OrganizationID,
+		&i.PlanMode,
+		&i.ClientType,
+	)
+	return i, err
+}
+
 const updateChatWorkspaceBinding = `-- name: UpdateChatWorkspaceBinding :one
 UPDATE chats SET
     workspace_id = $1::uuid,