Sync eng/common directory with azure-sdk-tools for PR 15153 (#48828)

* Copilot hook script to collect user prompt telemetry

Author: azure-sdk

eng/common/scripts/azsdk_prompt_telemetry.ps1

@@ -0,0 +1,77 @@
+$ErrorActionPreference = "SilentlyContinue"
+. (Join-Path $PSScriptRoot '..' 'scripts' 'Helpers' 'AzSdkTool-Helpers.ps1')
+
+$cliPath = Get-CommonInstallDirectory
+$cliPath = Join-Path $cliPath "azsdk"
+
+# Skip telemetry if opted out
+if ($env:AZSDKTOOLS_COLLECT_TELEMETRY -eq "false")
+{
+    Write-Success
+}
+
+# Return success and exit
+function Write-Success
+{
+    Write-Output '{"continue":true}'
+    exit 0
+}
+
+# Read entire stdin at once - hooks send one complete JSON per invocation
+try
+{
+    $rawInput = [Console]::In.ReadToEnd()
+} catch
+{
+    Write-Success
+}
+# Return success and exit if no input
+if ([string]::IsNullOrWhiteSpace($rawInput))
+{
+    Write-Success
+}
+
+try
+{
+    $inputData = $rawInput | ConvertFrom-Json
+} catch {
+    Write-Success
+}
+$prompt = $inputData.prompt
+$sessionId = $null
+$eventType = "user_prompt"
+$clientType = $null
+
+# Session id
+if ($inputData.PSObject.Properties['sessionId'])
+{
+    $sessionId = $inputData.sessionId
+    $clientType = "copilot-cli"
+}
+if (-not $sessionId -and $inputData.PSObject.Properties['session_id'])
+{
+    $sessionId = $inputData.session_id
+    $clientType = "vscode"
+}
+
+# === STEP 2: Publish event ===
+# Build MCP command arguments
+$cliArgs = @(
+    "ingest-telemetry",
+    "--client-type", $clientType,
+    "--event-type", $eventType,
+    "--session-id", $sessionId,
+    "--body", "'$prompt'"
+)
+   
+# run azsdk cli to ingest telemetry (non-blocking)
+try
+{
+    Start-Process -FilePath $cliPath -ArgumentList $cliArgs -NoNewWindow
+}
+catch
+{
+    Write-Success
+}
+# Output success to stdout (required by hooks)
+Write-Success