if deploy_agglayer is false, then auto set the "SettlementBackend" config of cdk-node to "l1"

cdk_central_environment.star

@@ -50,6 +50,10 @@ def run(plan, args, deployment_stages, contract_setup_addresses):
             config={"genesis.json": struct(template=genesis_file, data={})},
         )
 
+    settlement_backend = constants.SETTLEMENT_BACKEND.agglayer
+    if not deployment_stages.get("deploy_agglayer", True):
+        settlement_backend = constants.SETTLEMENT_BACKEND.l1
+
     keystore_artifacts = get_keystores_artifacts(plan, args)
     if args["sequencer_type"] == "zkevm":
         # Create the zkevm node config.
@@ -65,6 +69,7 @@ def run(plan, args, deployment_stages, contract_setup_addresses):
                         "is_cdk_validium": data_availability_package.is_cdk_validium(
                             args
                         ),
+                        "settlement_backend": settlement_backend,
                     }
                     | db_configs,
                 )
@@ -122,6 +127,7 @@ def run(plan, args, deployment_stages, contract_setup_addresses):
                             "cdk-node", args["l1_rpc_url"]
                         ),
                         "agglayer_endpoint": agglayer_endpoint,
+                        "settlement_backend": settlement_backend,
                     }
                     | db_configs
                     | contract_setup_addresses,

src/package_io/constants.star

@@ -36,6 +36,11 @@ CONSENSUS_TYPE = struct(
     fep="fep",
 )
 
+SETTLEMENT_BACKEND = struct(
+    agglayer="agglayer",
+    l1="l1",
+)
+
 SEQUENCER_TYPE = struct(
     CDK_ERIGON="erigon",
     ZKEVM="zkevm",

templates/trusted-node/cdk-node-config.toml

@@ -48,7 +48,7 @@ Environment = "{{.environment}}"
         RetryTime = "30s"
         VerifyProofInterval = "10s"
         GasOffset = 150000
-        SettlementBackend = "agglayer"
+        SettlementBackend = "{{.settlement_backend}}"
         [Aggregator.DB]
                 Name = "{{.aggregator_db.name}}"
                 User = "{{.aggregator_db.user}}"

templates/trusted-node/node-config.toml

@@ -1260,7 +1260,7 @@ SenderAddress = "{{.l2_aggregator_address}}"
 # SettlementBackend determines if we're settling with the `agglayer'
 # or `direct' with L1
 # ------------------------------------------------------------------------------
-SettlementBackend = "agglayer"
+SettlementBackend = "{{.settlement_backend}}"
 
 # ------------------------------------------------------------------------------
 # AggLayerTxTimeout determines how long we'll wait for the AggLayer to