diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/AbCipRawTags.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/AbCipRawTags.cs
new file mode 100644
index 00000000..9fed1d68
--- /dev/null
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/AbCipRawTags.cs
@@ -0,0 +1,27 @@
+using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
+
+namespace ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests;
+
+/// <summary>
+///     Test helper bridging the pre-v3 pre-declared-tag authoring style (a typed
+///     <see cref="AbCipTagDefinition"/>) to the v3 RawPath seam the driver now consumes
+///     (<see cref="RawTagEntry"/>). Each typed def is serialised to its <c>TagConfig</c> blob via
+///     <see cref="AbCipTagDefinitionFactory.ToTagConfig"/>, and the def's identity (<c>Name</c> → RawPath),
+///     device routing key (<c>DeviceHostAddress</c> → <see cref="RawTagEntry.DeviceName"/>) and
+///     write-idempotence travel on the entry — exactly the shape the deploy artifact delivers. Lets the
+///     driver's integration smoke tests keep expressing fixtures as typed definitions while exercising the
+///     v3 <c>RawTags</c> → <c>FromTagConfig</c> table-build path. Mirrors the unit-test project's helper of
+///     the same name.
+/// </summary>
+internal static class AbCipRawTags
+{
+    /// <summary>Projects typed definitions to the driver's <c>RawTags</c> option shape.</summary>
+    /// <param name="defs">The typed definitions to project.</param>
+    /// <returns>The equivalent <see cref="RawTagEntry"/> list.</returns>
+    public static IReadOnlyList<RawTagEntry> From(params AbCipTagDefinition[] defs) =>
+        [.. defs.Select(d => new RawTagEntry(
+            RawPath: d.Name,
+            TagConfig: AbCipTagDefinitionFactory.ToTagConfig(d),
+            WriteIdempotent: d.WriteIdempotent,
+            DeviceName: d.DeviceHostAddress))];
+}
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/AbCipReadSmokeTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/AbCipReadSmokeTests.cs
index a6b57fa5..51168dfb 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/AbCipReadSmokeTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/AbCipReadSmokeTests.cs
@@ -37,7 +37,7 @@ public sealed class AbCipReadSmokeTests
             var drv = new AbCipDriver(new AbCipDriverOptions
             {
                 Devices = [new AbCipDeviceOptions(deviceUri, profile.Family)],
-                Tags = [new AbCipTagDefinition("Counter", deviceUri, "TestDINT", AbCipDataType.DInt)],
+                RawTags = AbCipRawTags.From(new AbCipTagDefinition("Counter", deviceUri, "TestDINT", AbCipDataType.DInt)),
                 Timeout = TimeSpan.FromSeconds(5),
             }, $"drv-smoke-{profile.Family}");
 
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/Emulate/AbCipEmulateAlmdTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/Emulate/AbCipEmulateAlmdTests.cs
index 193c475d..d33b464d 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/Emulate/AbCipEmulateAlmdTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/Emulate/AbCipEmulateAlmdTests.cs
@@ -54,7 +54,7 @@ public sealed class AbCipEmulateAlmdTests
             Devices = [new AbCipDeviceOptions($"ab://{endpoint}/1,0")],
             EnableAlarmProjection = true,
             AlarmPollInterval = TimeSpan.FromMilliseconds(200),
-            Tags = [
+            RawTags = AbCipRawTags.From(
                 new AbCipTagDefinition(
                     Name: "HighTempAlarm",
                     DeviceHostAddress: $"ab://{endpoint}/1,0",
@@ -72,8 +72,7 @@ public sealed class AbCipEmulateAlmdTests
                     DeviceHostAddress: $"ab://{endpoint}/1,0",
                     TagPath: "SimulateAlarm",
                     DataType: AbCipDataType.Bool,
-                    Writable: true),
-            ],
+                    Writable: true)),
         };
 
         await using var drv = new AbCipDriver(options, driverInstanceId: "emulate-almd");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/Emulate/AbCipEmulateUdtReadTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/Emulate/AbCipEmulateUdtReadTests.cs
index e36919bd..a6018c02 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/Emulate/AbCipEmulateUdtReadTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/Emulate/AbCipEmulateUdtReadTests.cs
@@ -51,7 +51,7 @@ public sealed class AbCipEmulateUdtReadTests
         var options = new AbCipDriverOptions
         {
             Devices = [new AbCipDeviceOptions($"ab://{endpoint}/1,0")],
-            Tags = [
+            RawTags = AbCipRawTags.From(
                 new AbCipTagDefinition(
                     Name: "Motor1",
                     DeviceHostAddress: $"ab://{endpoint}/1,0",
@@ -61,8 +61,7 @@ public sealed class AbCipEmulateUdtReadTests
                         new AbCipStructureMember("Speed",  AbCipDataType.DInt),
                         new AbCipStructureMember("Torque", AbCipDataType.Real),
                         new AbCipStructureMember("Status", AbCipDataType.DInt),
-                    ]),
-            ],
+                    ])),
             Timeout = TimeSpan.FromSeconds(5),
         };
 
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests/AbLegacyRawTags.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests/AbLegacyRawTags.cs
new file mode 100644
index 00000000..ba0babd1
--- /dev/null
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests/AbLegacyRawTags.cs
@@ -0,0 +1,32 @@
+using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
+
+namespace ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests;
+
+/// <summary>
+///     Test helper bridging the v2 authoring shape (a typed <see cref="AbLegacyTagDefinition"/>) to the v3
+///     delivery shape (<see cref="RawTagEntry"/>). Under v3 the driver no longer takes pre-declared
+///     definitions — the deploy artifact hands it authored raw tags (RawPath + TagConfig blob + owning
+///     DeviceName), and the driver rebuilds the typed definitions via
+///     <see cref="AbLegacyTagDefinitionFactory"/>. These integration smoke tests keep expressing their
+///     intent as typed definitions; this helper serialises each back to its TagConfig blob (via
+///     <see cref="AbLegacyTagDefinitionFactory.ToTagConfig"/>) and packages it as a <see cref="RawTagEntry"/>
+///     whose RawPath is the def's <c>Name</c> and whose <see cref="RawTagEntry.DeviceName"/> is the def's
+///     <c>DeviceHostAddress</c> — so the round-trip through the real mapper reproduces the same definition
+///     the test authored, keyed by the same name the read/write/subscribe call sites use and routed to the
+///     same device (the driver matches DeviceName against a configured device's Name or HostAddress).
+///     Mirrors the unit-test project's helper of the same name.
+/// </summary>
+internal static class AbLegacyRawTags
+{
+    /// <summary>Serialises one typed definition into its <see cref="RawTagEntry"/> (RawPath = def.Name, DeviceName = def.DeviceHostAddress).</summary>
+    /// <param name="def">The typed definition to convert.</param>
+    /// <returns>The equivalent <see cref="RawTagEntry"/>.</returns>
+    public static RawTagEntry Entry(AbLegacyTagDefinition def)
+        => new(def.Name, AbLegacyTagDefinitionFactory.ToTagConfig(def), def.WriteIdempotent, DeviceName: def.DeviceHostAddress);
+
+    /// <summary>Serialises typed definitions into <see cref="RawTagEntry"/> records.</summary>
+    /// <param name="defs">The typed definitions to convert (array, params, or a collection expression).</param>
+    /// <returns>The equivalent raw-tag entries.</returns>
+    public static IReadOnlyList<RawTagEntry> Entries(params AbLegacyTagDefinition[] defs)
+        => [.. defs.Select(Entry)];
+}
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests/AbLegacyReadSmokeTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests/AbLegacyReadSmokeTests.cs
index 0aa29fc6..313892ce 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests/AbLegacyReadSmokeTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests/AbLegacyReadSmokeTests.cs
@@ -51,13 +51,12 @@ public sealed class AbLegacyReadSmokeTests(AbLegacyServerFixture sim)
         await using var drv = new AbLegacyDriver(new AbLegacyDriverOptions
         {
             Devices = [new AbLegacyDeviceOptions(deviceUri, profile.Family)],
-            Tags = [
+            RawTags = AbLegacyRawTags.Entries(
                 new AbLegacyTagDefinition(
                     Name: "IntCounter",
                     DeviceHostAddress: deviceUri,
                     Address: "N7:0",
-                    DataType: AbLegacyDataType.Int),
-            ],
+                    DataType: AbLegacyDataType.Int)),
             Timeout = TimeSpan.FromSeconds(5),
             Probe = new AbLegacyProbeOptions { Enabled = false },
         }, driverInstanceId: $"ablegacy-smoke-{profile.Family}");
@@ -96,14 +95,13 @@ public sealed class AbLegacyReadSmokeTests(AbLegacyServerFixture sim)
         await using var drv = new AbLegacyDriver(new AbLegacyDriverOptions
         {
             Devices = [new AbLegacyDeviceOptions(deviceUri, AbLegacyPlcFamily.Slc500)],
-            Tags = [
+            RawTags = AbLegacyRawTags.Entries(
                 new AbLegacyTagDefinition(
                     Name: "Scratch",
                     DeviceHostAddress: deviceUri,
                     Address: "N7:5",
                     DataType: AbLegacyDataType.Int,
-                    Writable: true),
-            ],
+                    Writable: true)),
             Timeout = TimeSpan.FromSeconds(5),
             Probe = new AbLegacyProbeOptions { Enabled = false },
         }, driverInstanceId: "ablegacy-smoke-rw");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/FocasRawTags.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/FocasRawTags.cs
new file mode 100644
index 00000000..200d5c6b
--- /dev/null
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/FocasRawTags.cs
@@ -0,0 +1,31 @@
+using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
+
+namespace ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests;
+
+/// <summary>
+///     Test helper bridging the v2 authoring shape (a typed <see cref="FocasTagDefinition"/>) to the v3
+///     delivery shape (<see cref="RawTagEntry"/>). Under v3 the driver no longer takes pre-declared
+///     definitions — the deploy artifact hands it authored raw tags (RawPath + TagConfig blob + DeviceName),
+///     and the driver rebuilds the typed definitions via <see cref="FocasTagDefinitionFactory"/> and routes
+///     each to its device by <see cref="RawTagEntry.DeviceName"/>. These integration wire tests keep
+///     expressing their intent as typed definitions; this helper serialises each back to its TagConfig blob
+///     (via <see cref="FocasTagDefinitionFactory.ToTagConfig"/>) and packages it as a <see cref="RawTagEntry"/>
+///     whose RawPath is the def's <c>Name</c> and whose DeviceName is the def's <c>DeviceHostAddress</c> — so
+///     the round-trip through the real mapper + device match reproduces the same definition the test authored,
+///     keyed by the same name the read/write/subscribe call sites use. Mirrors the unit-test project's helper
+///     of the same name.
+/// </summary>
+internal static class FocasRawTags
+{
+    /// <summary>Serialises one typed definition into its <see cref="RawTagEntry"/> (RawPath = def.Name, DeviceName = def.DeviceHostAddress).</summary>
+    /// <param name="def">The typed definition to convert.</param>
+    /// <returns>The equivalent <see cref="RawTagEntry"/>.</returns>
+    public static RawTagEntry Entry(FocasTagDefinition def)
+        => new(def.Name, FocasTagDefinitionFactory.ToTagConfig(def), def.WriteIdempotent, def.DeviceHostAddress);
+
+    /// <summary>Serialises typed definitions into <see cref="RawTagEntry"/> records.</summary>
+    /// <param name="defs">The typed definitions to convert (array, params, or a collection expression).</param>
+    /// <returns>The equivalent raw-tag entries.</returns>
+    public static IReadOnlyList<RawTagEntry> Entries(params FocasTagDefinition[] defs)
+        => [.. defs.Select(Entry)];
+}
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/Series/WireBackendCoverageTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/Series/WireBackendCoverageTests.cs
index 1da9f2c6..f09d7e39 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/Series/WireBackendCoverageTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/Series/WireBackendCoverageTests.cs
@@ -54,12 +54,10 @@ public sealed class WireBackendCoverageTests
         var drv = new FocasDriver(new FocasDriverOptions
         {
             Devices = [new FocasDeviceOptions(DeviceHost)],
-            Tags =
-            [
+            RawTags = FocasRawTags.Entries(
                 new FocasTagDefinition("Param6711", DeviceHost, "PARAM:6711", FocasDataType.Int32, Writable: false),
                 new FocasTagDefinition("Macro500",  DeviceHost, "MACRO:500",  FocasDataType.Float64, Writable: false),
-                new FocasTagDefinition("R100",      DeviceHost, "R100",       FocasDataType.Byte, Writable: false),
-            ],
+                new FocasTagDefinition("R100",      DeviceHost, "R100",       FocasDataType.Byte, Writable: false)),
             Probe = new FocasProbeOptions { Enabled = false },
         }, driverInstanceId: "wire-usertags", clientFactory: new WireFocasClientFactory());
 
@@ -86,11 +84,9 @@ public sealed class WireBackendCoverageTests
         var drv = new FocasDriver(new FocasDriverOptions
         {
             Devices = [new FocasDeviceOptions(DeviceHost, DeviceName: "Lathe-1")],
-            Tags =
-            [
+            RawTags = FocasRawTags.Entries(
                 new FocasTagDefinition("Run",   DeviceHost, "R100", FocasDataType.Byte, Writable: false),
-                new FocasTagDefinition("Speed", DeviceHost, "MACRO:500", FocasDataType.Float64, Writable: false),
-            ],
+                new FocasTagDefinition("Speed", DeviceHost, "MACRO:500", FocasDataType.Float64, Writable: false)),
             Probe = new FocasProbeOptions { Enabled = false },
         }, driverInstanceId: "wire-discover", clientFactory: new WireFocasClientFactory());
 
@@ -127,7 +123,7 @@ public sealed class WireBackendCoverageTests
         var drv = new FocasDriver(new FocasDriverOptions
         {
             Devices = [new FocasDeviceOptions(DeviceHost)],
-            Tags = [new FocasTagDefinition("Run", DeviceHost, "R100", FocasDataType.Byte, Writable: false)],
+            RawTags = FocasRawTags.Entries(new FocasTagDefinition("Run", DeviceHost, "R100", FocasDataType.Byte, Writable: false)),
             Probe = new FocasProbeOptions { Enabled = false },
         }, driverInstanceId: "wire-subscribe", clientFactory: new WireFocasClientFactory());
 
@@ -172,7 +168,7 @@ public sealed class WireBackendCoverageTests
         var drv = new FocasDriver(new FocasDriverOptions
         {
             Devices = [new FocasDeviceOptions(DeviceHost)],
-            Tags = [],
+            RawTags = [],
             Probe = new FocasProbeOptions { Enabled = false },
             AlarmProjection = new FocasAlarmProjectionOptions
             {
@@ -275,7 +271,7 @@ public sealed class WireBackendCoverageTests
         var driver = new FocasDriver(new FocasDriverOptions
         {
             Devices = [new FocasDeviceOptions(DeviceHost, PositionDecimalPlaces: 1)],
-            Tags = [],
+            RawTags = [],
             Probe = new FocasProbeOptions { Enabled = false },
             FixedTree = new FocasFixedTreeOptions
             {
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/Series/WireBackendTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/Series/WireBackendTests.cs
index ec373748..6eff4b42 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/Series/WireBackendTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.IntegrationTests/Series/WireBackendTests.cs
@@ -57,7 +57,7 @@ public sealed class WireBackendTests
         var driver = new FocasDriver(new FocasDriverOptions
         {
             Devices = [new FocasDeviceOptions(DeviceHost)],
-            Tags = [],
+            RawTags = [],
             Probe = new FocasProbeOptions { Enabled = false },
             FixedTree = new FocasFixedTreeOptions
             {
@@ -120,7 +120,7 @@ public sealed class WireBackendTests
         var driver = new FocasDriver(new FocasDriverOptions
         {
             Devices = [new FocasDeviceOptions(DeviceHost)],
-            Tags = [],
+            RawTags = [],
             Probe = new FocasProbeOptions { Enabled = false },
             FixedTree = new FocasFixedTreeOptions
             {
@@ -175,7 +175,7 @@ public sealed class WireBackendTests
         var driver = new FocasDriver(new FocasDriverOptions
         {
             Devices = [new FocasDeviceOptions(DeviceHost)],
-            Tags = [],
+            RawTags = [],
             Probe = new FocasProbeOptions { Enabled = false },
             FixedTree = new FocasFixedTreeOptions
             {
@@ -242,7 +242,7 @@ public sealed class WireBackendTests
         var driver = new FocasDriver(new FocasDriverOptions
         {
             Devices = [new FocasDeviceOptions(DeviceHost)],
-            Tags = [],
+            RawTags = [],
             Probe = new FocasProbeOptions { Enabled = false },
             FixedTree = new FocasFixedTreeOptions
             {
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/AddressingGrammarTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/AddressingGrammarTests.cs
index a53ccfb2..2d372eba 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/AddressingGrammarTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/AddressingGrammarTests.cs
@@ -27,7 +27,7 @@ public sealed class AddressingGrammarTests
     {
         var opts = new ModbusDriverOptions
         {
-            Host = _sim.Host, Port = _sim.Port, Tags = tags,
+            Host = _sim.Host, Port = _sim.Port, RawTags = ModbusRawTags.Entries(tags),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         var drv = new ModbusDriver(opts, "addressing-e2e");
@@ -108,7 +108,7 @@ public sealed class AddressingGrammarTests
         var t3 = new ModbusTagDefinition("T3", ModbusRegion.HoldingRegisters, 204, ModbusDataType.Int16);
         var opts = new ModbusDriverOptions
         {
-            Host = _sim.Host, Port = _sim.Port, Tags = [t1, t2, t3], MaxReadGap = 5,
+            Host = _sim.Host, Port = _sim.Port, RawTags = ModbusRawTags.Entries([t1, t2, t3]), MaxReadGap = 5,
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         var drv = new ModbusDriver(opts, "addressing-e2e");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205BcdQuirkTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205BcdQuirkTests.cs
index 8fbf8e40..b3ae07e1 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205BcdQuirkTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205BcdQuirkTests.cs
@@ -31,15 +31,14 @@ public sealed class DL205BcdQuirkTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition("DL205_Count_Bcd",
                     ModbusRegion.HoldingRegisters, Address: 1072,
                     DataType: ModbusDataType.Bcd16, Writable: false),
                 new ModbusTagDefinition("DL205_Count_Int16",
                     ModbusRegion.HoldingRegisters, Address: 1072,
                     DataType: ModbusDataType.Int16, Writable: false),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(options, driverInstanceId: "dl205-bcd");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205CoilMappingTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205CoilMappingTests.cs
index b77b635f..3b5019b6 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205CoilMappingTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205CoilMappingTests.cs
@@ -106,7 +106,7 @@ public sealed class DL205CoilMappingTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags = tags,
+            RawTags = ModbusRawTags.Entries(tags),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
 }
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205ExceptionCodeTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205ExceptionCodeTests.cs
index 4a7e166f..e7a3773f 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205ExceptionCodeTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205ExceptionCodeTests.cs
@@ -36,12 +36,11 @@ public sealed class DL205ExceptionCodeTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition("Unmapped",
                     ModbusRegion.HoldingRegisters, Address: 16383,
                     DataType: ModbusDataType.UInt16, Writable: false),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(options, driverInstanceId: "dl205-exc");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205FloatCdabQuirkTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205FloatCdabQuirkTests.cs
index fecfce23..a90fa677 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205FloatCdabQuirkTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205FloatCdabQuirkTests.cs
@@ -33,8 +33,7 @@ public sealed class DL205FloatCdabQuirkTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition("DL205_Float_CDAB",
                     ModbusRegion.HoldingRegisters, Address: 1056,
                     DataType: ModbusDataType.Float32, Writable: false,
@@ -44,7 +43,7 @@ public sealed class DL205FloatCdabQuirkTests(ModbusSimulatorFixture sim)
                     ModbusRegion.HoldingRegisters, Address: 1056,
                     DataType: ModbusDataType.Float32, Writable: false,
                     ByteOrder: ModbusByteOrder.BigEndian),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(options, driverInstanceId: "dl205-cdab");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205Profile.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205Profile.cs
index 80b0c08f..5f635de1 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205Profile.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205Profile.cs
@@ -37,15 +37,14 @@ public static class DL205Profile
         Port = port,
         UnitId = 1,
         Timeout = TimeSpan.FromSeconds(2),
-        Tags =
-        [
+        RawTags = ModbusRawTags.Entries([
             new ModbusTagDefinition(
                 Name: "Smoke_HReg200",
                 Region: ModbusRegion.HoldingRegisters,
                 Address: SmokeHoldingRegister,
                 DataType: ModbusDataType.Int16,
                 Writable: true),
-        ],
+        ]),
         // Disable the background probe loop — integration tests drive reads explicitly and
         // the probe would race with assertions.
         Probe = new ModbusProbeOptions { Enabled = false },
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205StringQuirkTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205StringQuirkTests.cs
index 3614de57..0ff12dbf 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205StringQuirkTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205StringQuirkTests.cs
@@ -40,8 +40,7 @@ public sealed class DL205StringQuirkTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition(
                     Name: "DL205_Hello_Low",
                     Region: ModbusRegion.HoldingRegisters,
@@ -60,7 +59,7 @@ public sealed class DL205StringQuirkTests(ModbusSimulatorFixture sim)
                     Writable: false,
                     StringLength: 5,
                     StringByteOrder: ModbusStringByteOrder.HighByteFirst),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(options, driverInstanceId: "dl205-string");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205VMemoryQuirkTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205VMemoryQuirkTests.cs
index 7242d680..01c679ef 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205VMemoryQuirkTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205VMemoryQuirkTests.cs
@@ -36,12 +36,11 @@ public sealed class DL205VMemoryQuirkTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition("DL205_V2000",
                     ModbusRegion.HoldingRegisters, Address: pdu,
                     DataType: ModbusDataType.UInt16, Writable: false),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(options, driverInstanceId: "dl205-vmem");
@@ -75,12 +74,11 @@ public sealed class DL205VMemoryQuirkTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition("DL205_V40400",
                     ModbusRegion.HoldingRegisters, Address: pdu,
                     DataType: ModbusDataType.UInt16, Writable: false),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(options, driverInstanceId: "dl205-sysv");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205XInputTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205XInputTests.cs
index 201a46a8..41cfa428 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205XInputTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/DL205/DL205XInputTests.cs
@@ -66,7 +66,7 @@ public sealed class DL205XInputTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags = tags,
+            RawTags = ModbusRawTags.Entries(tags),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
 }
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/ExceptionInjectionTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/ExceptionInjectionTests.cs
index 05dee5be..0cb5d767 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/ExceptionInjectionTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/ExceptionInjectionTests.cs
@@ -47,12 +47,11 @@ public sealed class ExceptionInjectionTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition(tagName,
                     ModbusRegion.HoldingRegisters, Address: (ushort)address,
                     DataType: ModbusDataType.UInt16, Writable: false),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(opts, driverInstanceId: "modbus-exc");
@@ -112,12 +111,11 @@ public sealed class ExceptionInjectionTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition(tag,
                     ModbusRegion.HoldingRegisters, Address: (ushort)address,
                     DataType: ModbusDataType.UInt16, Writable: true),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(opts, driverInstanceId: "modbus-exc-write");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/Mitsubishi/MitsubishiProfile.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/Mitsubishi/MitsubishiProfile.cs
index f831e5e0..e60ef47d 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/Mitsubishi/MitsubishiProfile.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/Mitsubishi/MitsubishiProfile.cs
@@ -32,15 +32,14 @@ public static class MitsubishiProfile
         Port = port,
         UnitId = 1,
         Timeout = TimeSpan.FromSeconds(2),
-        Tags =
-        [
+        RawTags = ModbusRawTags.Entries([
             new ModbusTagDefinition(
                 Name: "Smoke_HReg200",
                 Region: ModbusRegion.HoldingRegisters,
                 Address: SmokeHoldingRegister,
                 DataType: ModbusDataType.Int16,
                 Writable: true),
-        ],
+        ]),
         Probe = new ModbusProbeOptions { Enabled = false },
     };
 }
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/Mitsubishi/MitsubishiQuirkTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/Mitsubishi/MitsubishiQuirkTests.cs
index 8d28ecbc..6b2f1712 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/Mitsubishi/MitsubishiQuirkTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/Mitsubishi/MitsubishiQuirkTests.cs
@@ -176,7 +176,7 @@ public sealed class MitsubishiQuirkTests(ModbusSimulatorFixture sim)
                 Port = sim.Port,
                 UnitId = 1,
                 Timeout = TimeSpan.FromSeconds(2),
-                Tags = tags,
+                RawTags = ModbusRawTags.Entries(tags),
                 Probe = new ModbusProbeOptions { Enabled = false },
             },
             driverInstanceId: "melsec-quirk");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/ModbusRawTags.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/ModbusRawTags.cs
new file mode 100644
index 00000000..265ed4bf
--- /dev/null
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/ModbusRawTags.cs
@@ -0,0 +1,29 @@
+using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
+
+namespace ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests;
+
+/// <summary>
+///     Test helper bridging the v2 authoring shape (a typed <see cref="ModbusTagDefinition"/>) to the v3
+///     delivery shape (<see cref="RawTagEntry"/>). Under v3 the driver no longer takes pre-declared
+///     definitions — the deploy artifact hands it authored raw tags (RawPath + TagConfig blob), and the
+///     driver rebuilds the typed definitions via <see cref="ModbusTagDefinitionFactory"/>. These integration
+///     profiles + quirk tests keep expressing their intent as typed definitions; this helper serialises each
+///     back to its TagConfig blob (via <see cref="ModbusTagDefinitionFactory.ToTagConfig"/>) and packages it
+///     as a <see cref="RawTagEntry"/> whose RawPath is the def's <c>Name</c> — so the round-trip through the
+///     real mapper reproduces the same definition the test authored, keyed by the same name the
+///     read/write/subscribe call sites use. Mirrors the unit-test project's helper of the same name.
+/// </summary>
+internal static class ModbusRawTags
+{
+    /// <summary>Serialises one typed definition into its <see cref="RawTagEntry"/> (RawPath = def.Name).</summary>
+    /// <param name="def">The typed definition to convert.</param>
+    /// <returns>The equivalent <see cref="RawTagEntry"/>.</returns>
+    public static RawTagEntry Entry(ModbusTagDefinition def)
+        => new(def.Name, ModbusTagDefinitionFactory.ToTagConfig(def), def.WriteIdempotent);
+
+    /// <summary>Serialises a sequence of typed definitions into <see cref="RawTagEntry"/> records.</summary>
+    /// <param name="defs">The typed definitions to convert.</param>
+    /// <returns>The equivalent raw-tag entries.</returns>
+    public static IReadOnlyList<RawTagEntry> Entries(IEnumerable<ModbusTagDefinition> defs)
+        => [.. defs.Select(Entry)];
+}
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/S7/S7_1500Profile.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/S7/S7_1500Profile.cs
index adfcdac3..0cb75b0a 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/S7/S7_1500Profile.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/S7/S7_1500Profile.cs
@@ -32,15 +32,14 @@ public static class S7_1500Profile
         Port = port,
         UnitId = 1,
         Timeout = TimeSpan.FromSeconds(2),
-        Tags =
-        [
+        RawTags = ModbusRawTags.Entries([
             new ModbusTagDefinition(
                 Name: "Smoke_HReg200",
                 Region: ModbusRegion.HoldingRegisters,
                 Address: SmokeHoldingRegister,
                 DataType: ModbusDataType.Int16,
                 Writable: true),
-        ],
+        ]),
         // Disable the background probe loop — integration tests drive reads explicitly and
         // the probe would race with assertions.
         Probe = new ModbusProbeOptions { Enabled = false },
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/S7/S7_ByteOrderTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/S7/S7_ByteOrderTests.cs
index f604dbf3..2d3c6c4c 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/S7/S7_ByteOrderTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/S7/S7_ByteOrderTests.cs
@@ -33,8 +33,7 @@ public sealed class S7_ByteOrderTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition("S7_Float_ABCD",
                     ModbusRegion.HoldingRegisters, Address: 100,
                     DataType: ModbusDataType.Float32, Writable: false,
@@ -45,7 +44,7 @@ public sealed class S7_ByteOrderTests(ModbusSimulatorFixture sim)
                     ModbusRegion.HoldingRegisters, Address: 100,
                     DataType: ModbusDataType.Float32, Writable: false,
                     ByteOrder: ModbusByteOrder.WordSwap),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(options, driverInstanceId: "s7-float-abcd");
@@ -79,13 +78,12 @@ public sealed class S7_ByteOrderTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition("S7_Int32_ABCD",
                     ModbusRegion.HoldingRegisters, Address: 300,
                     DataType: ModbusDataType.Int32, Writable: false,
                     ByteOrder: ModbusByteOrder.BigEndian),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(options, driverInstanceId: "s7-int-abcd");
@@ -117,12 +115,11 @@ public sealed class S7_ByteOrderTests(ModbusSimulatorFixture sim)
             Port = sim.Port,
             UnitId = 1,
             Timeout = TimeSpan.FromSeconds(2),
-            Tags =
-            [
+            RawTags = ModbusRawTags.Entries([
                 new ModbusTagDefinition("S7_Fingerprint",
                     ModbusRegion.HoldingRegisters, Address: 0,
                     DataType: ModbusDataType.UInt16, Writable: false),
-            ],
+            ]),
             Probe = new ModbusProbeOptions { Enabled = false },
         };
         await using var driver = new ModbusDriver(options, driverInstanceId: "s7-fingerprint");
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.S7.IntegrationTests/S7RawTags.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.S7.IntegrationTests/S7RawTags.cs
new file mode 100644
index 00000000..aba103da
--- /dev/null
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.S7.IntegrationTests/S7RawTags.cs
@@ -0,0 +1,29 @@
+using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
+
+namespace ZB.MOM.WW.OtOpcUa.Driver.S7.IntegrationTests;
+
+/// <summary>
+///     Test helper bridging the v2 authoring shape (a typed <see cref="S7TagDefinition"/>) to the v3
+///     delivery shape (<see cref="RawTagEntry"/>). Under v3 the driver no longer takes pre-declared
+///     definitions — the deploy artifact hands it authored raw tags (RawPath + TagConfig blob), and the
+///     driver rebuilds the typed definitions via <see cref="S7TagDefinitionFactory"/>. These integration
+///     profiles keep expressing their intent as typed definitions; this helper serialises each back to its
+///     TagConfig blob (via <see cref="S7TagDefinitionFactory.ToTagConfig"/>) and packages it as a
+///     <see cref="RawTagEntry"/> whose RawPath is the def's <c>Name</c> — so the round-trip through the real
+///     mapper reproduces the same definition the profile authored, keyed by the same name the
+///     read/write/subscribe call sites use. Mirrors the unit-test project's helper of the same name.
+/// </summary>
+internal static class S7RawTags
+{
+    /// <summary>Serialises one typed definition into its <see cref="RawTagEntry"/> (RawPath = def.Name).</summary>
+    /// <param name="def">The typed definition to convert.</param>
+    /// <returns>The equivalent <see cref="RawTagEntry"/>.</returns>
+    public static RawTagEntry Entry(S7TagDefinition def)
+        => new(def.Name, S7TagDefinitionFactory.ToTagConfig(def), def.WriteIdempotent);
+
+    /// <summary>Serialises a sequence of typed definitions into <see cref="RawTagEntry"/> records.</summary>
+    /// <param name="defs">The typed definitions to convert.</param>
+    /// <returns>The equivalent raw-tag entries.</returns>
+    public static IReadOnlyList<RawTagEntry> Entries(params S7TagDefinition[] defs)
+        => [.. defs.Select(Entry)];
+}
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.S7.IntegrationTests/S7_1500/S7_1500Profile.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.S7.IntegrationTests/S7_1500/S7_1500Profile.cs
index c329e472..f840686e 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.S7.IntegrationTests/S7_1500/S7_1500Profile.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.S7.IntegrationTests/S7_1500/S7_1500Profile.cs
@@ -41,14 +41,12 @@ public static class S7_1500Profile
         // gate, injecting flakiness that has nothing to do with the code
         // under test.
         Probe = new S7ProbeOptions { Enabled = false },
-        Tags =
-        [
+        RawTags = S7RawTags.Entries(
             new S7TagDefinition(ProbeTag,     "DB1.DBW0",  S7DataType.UInt16),
             new S7TagDefinition(SmokeI16Tag,  "DB1.DBW10", S7DataType.Int16),
             new S7TagDefinition(SmokeI32Tag,  "DB1.DBD20", S7DataType.Int32),
             new S7TagDefinition(SmokeF32Tag,  "DB1.DBD30", S7DataType.Float32),
             new S7TagDefinition(SmokeBoolTag, "DB1.DBX50.3", S7DataType.Bool),
-            new S7TagDefinition(WriteScratchTag, "DB1.DBW100", S7DataType.UInt16),
-        ],
+            new S7TagDefinition(WriteScratchTag, "DB1.DBW100", S7DataType.UInt16)),
     };
 }
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.IntegrationTests/TwinCAT3SmokeTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.IntegrationTests/TwinCAT3SmokeTests.cs
index a5f46f30..f6510e01 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.IntegrationTests/TwinCAT3SmokeTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.IntegrationTests/TwinCAT3SmokeTests.cs
@@ -246,14 +246,12 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
         var options = new TwinCATDriverOptions
         {
             Devices = [new TwinCATDeviceOptions($"ads://{sim.TargetNetId}:{sim.AmsPort}", "XAR-VM")],
-            Tags =
-            [
+            RawTags = TwinCATRawTags.Entries(
                 new TwinCATTagDefinition(
                     Name: "Primitive",
                     DeviceHostAddress: $"ads://{sim.TargetNetId}:{sim.AmsPort}",
                     SymbolPath: symbolPath,
-                    DataType: type),
-            ],
+                    DataType: type)),
             Timeout = TimeSpan.FromSeconds(5),
             Probe = new TwinCATProbeOptions { Enabled = false },
         };
@@ -307,8 +305,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
         var options = new TwinCATDriverOptions
         {
             Devices = [new TwinCATDeviceOptions($"ads://{sim.TargetNetId}:{sim.AmsPort}", "XAR-VM")],
-            Tags =
-            [
+            RawTags = TwinCATRawTags.Entries(
                 new TwinCATTagDefinition(
                     Name: "WordBit3",
                     DeviceHostAddress: $"ads://{sim.TargetNetId}:{sim.AmsPort}",
@@ -318,8 +315,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
                     Name: "WordBit4",
                     DeviceHostAddress: $"ads://{sim.TargetNetId}:{sim.AmsPort}",
                     SymbolPath: "GVL_Primitives.vWord.4",
-                    DataType: TwinCATDataType.Bool),
-            ],
+                    DataType: TwinCATDataType.Bool)),
             Timeout = TimeSpan.FromSeconds(5),
             Probe = new TwinCATProbeOptions { Enabled = false },
         };
@@ -345,8 +341,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
         var options = new TwinCATDriverOptions
         {
             Devices = [new TwinCATDeviceOptions($"ads://{sim.TargetNetId}:{sim.AmsPort}", "XAR-VM")],
-            Tags =
-            [
+            RawTags = TwinCATRawTags.Entries(
                 new TwinCATTagDefinition(
                     Name: "MotorTemp",
                     DeviceHostAddress: $"ads://{sim.TargetNetId}:{sim.AmsPort}",
@@ -356,8 +351,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
                     Name: "MotorRunning",
                     DeviceHostAddress: $"ads://{sim.TargetNetId}:{sim.AmsPort}",
                     SymbolPath: "GVL_Plant.Line1.Stations[1].Axes[1].Motor.Running",
-                    DataType: TwinCATDataType.Bool),
-            ],
+                    DataType: TwinCATDataType.Bool)),
             Timeout = TimeSpan.FromSeconds(5),
             Probe = new TwinCATProbeOptions { Enabled = false },
         };
@@ -386,8 +380,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
         var options = new TwinCATDriverOptions
         {
             Devices = [new TwinCATDeviceOptions($"ads://{sim.TargetNetId}:{sim.AmsPort}", "XAR-VM")],
-            Tags =
-            [
+            RawTags = TwinCATRawTags.Entries(
                 new TwinCATTagDefinition(
                     Name: "NonexistentSymbol",
                     DeviceHostAddress: $"ads://{sim.TargetNetId}:{sim.AmsPort}",
@@ -398,8 +391,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
                     DeviceHostAddress: $"ads://{sim.TargetNetId}:{sim.AmsPort}",
                     SymbolPath: "GVL_Fixture.nCounter",
                     DataType: TwinCATDataType.DInt,
-                    Writable: false),
-            ],
+                    Writable: false)),
             Timeout = TimeSpan.FromSeconds(5),
             Probe = new TwinCATProbeOptions { Enabled = false },
         };
@@ -442,8 +434,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
                 new TwinCATDeviceOptions(realHost,  "Real-VM"),
                 new TwinCATDeviceOptions(ghostHost, "Ghost-VM"),
             ],
-            Tags =
-            [
+            RawTags = TwinCATRawTags.Entries(
                 new TwinCATTagDefinition(
                     Name: "RealCounter",
                     DeviceHostAddress: realHost,
@@ -453,8 +444,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
                     Name: "GhostCounter",
                     DeviceHostAddress: ghostHost,
                     SymbolPath: "GVL_Fixture.nCounter",
-                    DataType: TwinCATDataType.DInt),
-            ],
+                    DataType: TwinCATDataType.DInt)),
             // Shorter timeout so the bogus device fails fast rather than dragging the whole
             // test; the healthy read shouldn't be slowed down by a peer timeout.
             Timeout = TimeSpan.FromSeconds(2),
@@ -488,7 +478,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
         var options = new TwinCATDriverOptions
         {
             Devices = [new TwinCATDeviceOptions($"ads://{sim.TargetNetId}:{sim.AmsPort}", "XAR-VM")],
-            Tags = [],
+            RawTags = [],
             Timeout = TimeSpan.FromSeconds(5),
             Probe = new TwinCATProbeOptions
             {
@@ -532,7 +522,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
         var options = new TwinCATDriverOptions
         {
             Devices = baseOptions.Devices,
-            Tags = baseOptions.Tags,
+            RawTags = baseOptions.RawTags,
             UseNativeNotifications = baseOptions.UseNativeNotifications,
             Timeout = baseOptions.Timeout,
             Probe = baseOptions.Probe,
@@ -565,7 +555,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
                 HostAddress: $"ads://{sim.TargetNetId}:{sim.AmsPort}",
                 DeviceName: "XAR-VM"),
         ],
-        Tags = [
+        RawTags = TwinCATRawTags.Entries(
             new TwinCATTagDefinition(
                 Name: "Counter",
                 DeviceHostAddress: $"ads://{sim.TargetNetId}:{sim.AmsPort}",
@@ -582,8 +572,7 @@ public sealed class TwinCAT3SmokeTests(TwinCATXarFixture sim)
                 DeviceHostAddress: $"ads://{sim.TargetNetId}:{sim.AmsPort}",
                 SymbolPath: "GVL_Arrays.aReal1D[5]",
                 DataType: TwinCATDataType.Real,
-                Writable: true),
-        ],
+                Writable: true)),
         UseNativeNotifications = true,
         Timeout = TimeSpan.FromSeconds(5),
         // Disable the probe loop — the smoke tests run their own reads; a background
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.IntegrationTests/TwinCATRawTags.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.IntegrationTests/TwinCATRawTags.cs
new file mode 100644
index 00000000..0e01eaa8
--- /dev/null
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.IntegrationTests/TwinCATRawTags.cs
@@ -0,0 +1,32 @@
+using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
+
+namespace ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.IntegrationTests;
+
+/// <summary>
+///     Test helper bridging the v2 authoring shape (a typed <see cref="TwinCATTagDefinition"/>) to the v3
+///     delivery shape (<see cref="RawTagEntry"/>). Under v3 the driver no longer takes pre-declared
+///     definitions — the deploy artifact hands it authored raw tags (RawPath + TagConfig blob + owning
+///     DeviceName), and the driver rebuilds the typed definitions via <see cref="TwinCATTagDefinitionFactory"/>.
+///     These integration smoke tests keep expressing their intent as typed definitions; this helper serialises
+///     each back to its TagConfig blob (via <see cref="TwinCATTagDefinitionFactory.ToTagConfig"/>) and packages
+///     it as a <see cref="RawTagEntry"/> whose RawPath is the def's <c>Name</c> and whose
+///     <see cref="RawTagEntry.DeviceName"/> is the def's <c>DeviceHostAddress</c> — so the round-trip through
+///     the real mapper + the driver's device resolution (which matches DeviceName against the configured
+///     devices by host) reproduces the same definition + device routing the test authored, keyed by the same
+///     name the read/write/subscribe call sites use. Mirrors the unit-test project's helper of the same name.
+/// </summary>
+internal static class TwinCATRawTags
+{
+    /// <summary>Serialises one typed definition into its <see cref="RawTagEntry"/>
+    /// (RawPath = def.Name, DeviceName = def.DeviceHostAddress).</summary>
+    /// <param name="def">The typed definition to convert.</param>
+    /// <returns>The equivalent <see cref="RawTagEntry"/>.</returns>
+    public static RawTagEntry Entry(TwinCATTagDefinition def)
+        => new(def.Name, TwinCATTagDefinitionFactory.ToTagConfig(def), def.WriteIdempotent, def.DeviceHostAddress);
+
+    /// <summary>Serialises typed definitions into <see cref="RawTagEntry"/> records.</summary>
+    /// <param name="defs">The typed definitions to convert (array, params, or a collection expression).</param>
+    /// <returns>The equivalent raw-tag entries.</returns>
+    public static IReadOnlyList<RawTagEntry> Entries(params TwinCATTagDefinition[] defs)
+        => [.. defs.Select(Entry)];
+}