feat: batch connection logs to avoid DB lock contention (#23727)

- Running 30k connections was generating a ton of lock contention in the
DB

coderd/database/modelmethods.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"github.com/google/uuid"
+	"github.com/sqlc-dev/pqtype"
 	"golang.org/x/exp/maps"
 	"golang.org/x/oauth2"
 	"golang.org/x/xerrors"
@@ -923,3 +924,28 @@ func WorkspaceIdentityFromWorkspace(w Workspace) WorkspaceIdentity {
 func (r GetWorkspaceAgentAndWorkspaceByIDRow) RBACObject() rbac.Object {
 	return r.WorkspaceTable.RBACObject()
 }
+
+// UpsertConnectionLogParams contains the parameters for upserting a
+// connection log entry. This struct is hand-maintained (not generated
+// by sqlc) because the single-row UpsertConnectionLog query was
+// removed in favor of BatchUpsertConnectionLogs, but the struct is
+// still used as the canonical connection log event type throughout
+// the codebase.
+type UpsertConnectionLogParams struct {
+	ID               uuid.UUID        `db:"id" json:"id"`
+	OrganizationID   uuid.UUID        `db:"organization_id" json:"organization_id"`
+	WorkspaceOwnerID uuid.UUID        `db:"workspace_owner_id" json:"workspace_owner_id"`
+	WorkspaceID      uuid.UUID        `db:"workspace_id" json:"workspace_id"`
+	WorkspaceName    string           `db:"workspace_name" json:"workspace_name"`
+	AgentName        string           `db:"agent_name" json:"agent_name"`
+	Type             ConnectionType   `db:"type" json:"type"`
+	Code             sql.NullInt32    `db:"code" json:"code"`
+	IP               pqtype.Inet      `db:"ip" json:"ip"`
+	UserAgent        sql.NullString   `db:"user_agent" json:"user_agent"`
+	UserID           uuid.NullUUID    `db:"user_id" json:"user_id"`
+	SlugOrPort       sql.NullString   `db:"slug_or_port" json:"slug_or_port"`
+	ConnectionID     uuid.NullUUID    `db:"connection_id" json:"connection_id"`
+	DisconnectReason sql.NullString   `db:"disconnect_reason" json:"disconnect_reason"`
+	Time             time.Time        `db:"time" json:"time"`
+	ConnectionStatus ConnectionStatus `db:"connection_status" json:"connection_status"`
+}