Fix macOS pipe search to include $TMPDIR

macOS creates UNIX domain sockets in $TMPDIR (/var/folders/.../T/),
not /tmp. Search both locations in the E2E test workflow.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: yotsuda

.github/workflows/macos-terminal-test.yml

@@ -61,8 +61,9 @@ jobs:
 
         # Wait for Named Pipe to appear
         echo "Waiting for Named Pipe..."
+        echo "TMPDIR=$TMPDIR"
         for i in $(seq 1 60); do
-          PIPE=$(find /tmp -name "CoreFxPipe_PSMCP.*" 2>/dev/null | head -1)
+          PIPE=$(find /tmp ${TMPDIR:-/tmp} -name "CoreFxPipe_PSMCP.*" 2>/dev/null | sort -u | head -1)
           if [ -n "$PIPE" ]; then
             echo "Named Pipe found: $PIPE (after ${i}s)"
             break
@@ -85,16 +86,15 @@ jobs:
       run: |
         $ErrorActionPreference = "Stop"
 
-        # Find the Named Pipe
-        $pipes = Get-ChildItem /tmp/CoreFxPipe_PSMCP.* -ErrorAction SilentlyContinue
-        if (-not $pipes) {
-          # Also check TMPDIR
-          $tmpdir = $env:TMPDIR
-          if ($tmpdir) {
-            $pipes = Get-ChildItem "$tmpdir/CoreFxPipe_PSMCP.*" -ErrorAction SilentlyContinue
-          }
+        # Find the Named Pipe (macOS uses $TMPDIR which is /var/folders/.../T/)
+        $searchDirs = @('/tmp')
+        if ($env:TMPDIR -and $env:TMPDIR -ne '/tmp') { $searchDirs += $env:TMPDIR.TrimEnd('/') }
+        Write-Host "Searching for pipes in: $($searchDirs -join ', ')"
+        $pipes = @()
+        foreach ($dir in $searchDirs) {
+          $pipes += Get-ChildItem "$dir/CoreFxPipe_PSMCP.*" -ErrorAction SilentlyContinue
         }
-        if (-not $pipes) { throw "No Named Pipe found" }
+        if (-not $pipes) { throw "No Named Pipe found in: $($searchDirs -join ', ')" }
 
         $pipeName = $pipes[0].Name -replace '^CoreFxPipe_', ''
         Write-Host "Using pipe: $pipeName"