Auto: abcip-3.2 — symbolic vs logical addressing toggle

Closes #236

scripts/e2e/test-abcip.ps1

@@ -94,5 +94,30 @@ $results += Test-SubscribeSeesChange `
     -DriverWriteArgs (@("write") + $commonAbCip + @("-t", $TagPath, "--type", "DInt", "-v", $subValue)) `
     -ExpectedValue "$subValue"
 
+# PR abcip-3.2 — Symbolic-vs-Logical sanity assertion. Reads the same tag with both
+# addressing modes through the CLI's --addressing-mode flag. Logical-mode against ab_server
+# falls back to Symbolic on the wire (libplctag wrapper limitation; see AbCip-Performance.md
+# §Addressing mode), so the assertion is "both modes complete + return the same value" — not
+# a perf comparison. Skipped on Micro800 (driver downgrades Logical → Symbolic with warning,
+# making both reads identical-by-design + uninteresting to compare here).
+if ($Family -ne "Micro800") {
+    $symValue = Get-Random -Minimum 40000 -Maximum 49999
+    Write-Host "AB CIP e2e: priming gateway with $symValue then reading via Symbolic + Logical"
+    $writeArgs = @("write") + $commonAbCip + @("-t", $TagPath, "--type", "DInt", "-v", $symValue)
+    & $abcipCli.Exe @($abcipCli.Args + $writeArgs) | Out-Null
+
+    $symRead = & $abcipCli.Exe @($abcipCli.Args + @("read") + $commonAbCip + @("-t", $TagPath, "--type", "DInt", "--addressing-mode", "Symbolic"))
+    $logRead = & $abcipCli.Exe @($abcipCli.Args + @("read") + $commonAbCip + @("-t", $TagPath, "--type", "DInt", "--addressing-mode", "Logical"))
+
+    $symMatched = ($symRead -join "`n") -match "$symValue"
+    $logMatched = ($logRead -join "`n") -match "$symValue"
+    $passed = $symMatched -and $logMatched
+    $results += [PSCustomObject]@{
+        Name   = "AddressingModeSanity"
+        Passed = $passed
+        Detail = if ($passed) { "Symbolic + Logical both returned $symValue" } else { "Sym=$symMatched Log=$logMatched" }
+    }
+}
+
 Write-Summary -Title "AB CIP e2e" -Results $results
 if ($results | Where-Object { -not $_.Passed }) { exit 1 }