chore: organize solution into module folders (Core/Server/Drivers/Client/Tooling)

Group all 69 projects into category subfolders under src/ and tests/ so the
Rider Solution Explorer mirrors the module structure. Folders: Core, Server,
Drivers (with a nested Driver CLIs subfolder), Client, Tooling.

- Move every project folder on disk with git mv (history preserved as renames).
- Recompute relative paths in 57 .csproj files: cross-category ProjectReferences,
  the lib/ HintPath+None refs in Driver.Historian.Wonderware, and the external
  mxaccessgw refs in Driver.Galaxy and its test project.
- Rebuild ZB.MOM.WW.OtOpcUa.slnx with nested solution folders.
- Re-prefix project paths in functional scripts (e2e, compliance, smoke SQL,
  integration, install).

Build green (0 errors); unit tests pass. Docs left for a separate pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

scripts/e2e/test-abcip.ps1

@@ -1,4 +1,4 @@
-#Requires -Version 7.0
+#Requires -Version 7.0
 <#
 .SYNOPSIS
   End-to-end CLI test for the AB CIP driver (ControlLogix / CompactLogix /
@@ -44,10 +44,10 @@ $ErrorActionPreference = "Stop"
 . "$PSScriptRoot/_common.ps1"
 
 $abcipCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Cli" `
+    -ProjectFolder "src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Cli" `
     -ExeName "otopcua-abcip-cli"
 $opcUaCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Client.CLI" `
+    -ProjectFolder "src/Client/ZB.MOM.WW.OtOpcUa.Client.CLI" `
     -ExeName "otopcua-cli"
 
 $commonAbCip = @("-g", $Gateway, "-f", $Family)

scripts/e2e/test-ablegacy.ps1

@@ -1,4 +1,4 @@
-#Requires -Version 7.0
+#Requires -Version 7.0
 <#
 .SYNOPSIS
   End-to-end CLI test for the AB Legacy (PCCC) driver.
@@ -48,10 +48,10 @@ $ErrorActionPreference = "Stop"
 # accepts an empty path — use `ab://host:44818/` when pointing at real PLCs.
 
 $abLegacyCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.Cli" `
+    -ProjectFolder "src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.Cli" `
     -ExeName "otopcua-ablegacy-cli"
 $opcUaCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Client.CLI" `
+    -ProjectFolder "src/Client/ZB.MOM.WW.OtOpcUa.Client.CLI" `
     -ExeName "otopcua-cli"
 
 $commonAbLegacy = @("-g", $Gateway, "-P", $PlcType)

scripts/e2e/test-focas.ps1

@@ -112,10 +112,10 @@ if (-not [string]::IsNullOrWhiteSpace($Series)) {
 }
 
 $focasCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.Cli" `
+    -ProjectFolder "src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.FOCAS.Cli" `
     -ExeName "otopcua-focas-cli"
 $opcUaCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Client.CLI" `
+    -ProjectFolder "src/Client/ZB.MOM.WW.OtOpcUa.Client.CLI" `
     -ExeName "otopcua-cli"
 
 $allResults = @()

scripts/e2e/test-modbus.ps1

@@ -1,4 +1,4 @@
-#Requires -Version 7.0
+#Requires -Version 7.0
 <#
 .SYNOPSIS
   End-to-end CLI test for the Modbus-TCP driver bridged through the OtOpcUa server.
@@ -48,10 +48,10 @@ $hostPart, $portPart = $ModbusHost.Split(":")
 $port = [int]$portPart
 
 $modbusCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli" `
+    -ProjectFolder "src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli" `
     -ExeName "otopcua-modbus-cli"
 $opcUaCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Client.CLI" `
+    -ProjectFolder "src/Client/ZB.MOM.WW.OtOpcUa.Client.CLI" `
     -ExeName "otopcua-cli"
 
 $commonModbus = @("-h", $hostPart, "-p", $port)

scripts/e2e/test-opcuaclient.ps1

@@ -166,7 +166,7 @@ $ErrorActionPreference = "Stop"
 . "$PSScriptRoot/_common.ps1"
 
 $opcUaCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Client.CLI" `
+    -ProjectFolder "src/Client/ZB.MOM.WW.OtOpcUa.Client.CLI" `
     -ExeName "otopcua-cli"
 
 $results = @()

scripts/e2e/test-phase7-virtualtags.ps1

@@ -1,4 +1,4 @@
-#Requires -Version 7.0
+#Requires -Version 7.0
 <#
 .SYNOPSIS
   End-to-end test for Phase 7 virtual tags + scripted alarms, driven via the
@@ -57,10 +57,10 @@ $hostPart, $portPart = $ModbusHost.Split(":")
 $port = [int]$portPart
 
 $modbusCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli" `
+    -ProjectFolder "src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli" `
     -ExeName "otopcua-modbus-cli"
 $opcUaCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Client.CLI" `
+    -ProjectFolder "src/Client/ZB.MOM.WW.OtOpcUa.Client.CLI" `
     -ExeName "otopcua-cli"
 
 $commonModbus = @("-h", $hostPart, "-p", $port)

scripts/e2e/test-s7.ps1

@@ -1,4 +1,4 @@
-#Requires -Version 7.0
+#Requires -Version 7.0
 <#
 .SYNOPSIS
   End-to-end CLI test for the Siemens S7 driver bridged through the OtOpcUa server.
@@ -49,10 +49,10 @@ $hostPart, $portPart = $S7Host.Split(":")
 $port = [int]$portPart
 
 $s7Cli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Driver.S7.Cli" `
+    -ProjectFolder "src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.S7.Cli" `
     -ExeName "otopcua-s7-cli"
 $opcUaCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Client.CLI" `
+    -ProjectFolder "src/Client/ZB.MOM.WW.OtOpcUa.Client.CLI" `
     -ExeName "otopcua-cli"
 
 $commonS7 = @("-h", $hostPart, "-p", $port, "-c", $Cpu, "--slot", $Slot)

scripts/e2e/test-twincat.ps1

@@ -1,4 +1,4 @@
-#Requires -Version 7.0
+#Requires -Version 7.0
 <#
 .SYNOPSIS
   End-to-end CLI test for the TwinCAT (Beckhoff ADS) driver.
@@ -48,10 +48,10 @@ if (-not ($env:TWINCAT_TRUST_WIRE -eq "1" -or $env:TWINCAT_TRUST_WIRE -eq "true"
 }
 
 $twinCatCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.Cli" `
+    -ProjectFolder "src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.Cli" `
     -ExeName "otopcua-twincat-cli"
 $opcUaCli = Get-CliInvocation `
-    -ProjectFolder "src/ZB.MOM.WW.OtOpcUa.Client.CLI" `
+    -ProjectFolder "src/Client/ZB.MOM.WW.OtOpcUa.Client.CLI" `
     -ExeName "otopcua-cli"
 
 $commonTc = @("-n", $AmsNetId, "-p", $AmsPort)