Prep branch for v14 (#2022)

Co-authored-by: Claude <noreply@anthropic.com>

src/scripts/Update-Version.ps1

@@ -125,6 +125,93 @@ if ($update -or $Version)
         Write-Output "    return '$ver'"
         Write-Output "}"
     } | Out-File "$PSScriptRoot/../PowerShell/Private/Get-VersionNumber.ps1" -Encoding ascii -Append:$false
+
+    # Release tag strips prerelease labels and trailing .0 (e.g., "14.0-dev" -> "v14")
+    $releaseTag = 'v' + (($ver -replace '-.*$', '') -replace '\.0$', '')
+
+    # Update changelog with new version section
+    Write-Verbose "Updating changelog..."
+    $changelogPath = Join-Path $repoRoot 'docs-mslearn/toolkit/changelog.md'
+    if (Test-Path $changelogPath)
+    {
+        $changelogLines = Get-Content $changelogPath
+        $anchorIndex = $changelogLines.IndexOf('<br><a name="latest"></a>')
+        if ($anchorIndex -ge 0)
+        {
+            # Find the first ## v heading after the anchor
+            $prevTag = $null
+            for ($i = $anchorIndex + 1; $i -lt $changelogLines.Count; $i++)
+            {
+                if ($changelogLines[$i] -match '^## v(.+)$')
+                {
+                    $prevTag = $Matches[1] -replace '\s.*$', ''
+                    break
+                }
+            }
+
+            $releaseTagName = $releaseTag.TrimStart('v')
+
+            # Skip if this version section already exists
+            if ($prevTag -eq $releaseTagName)
+            {
+                Write-Verbose "- Changelog already has v$releaseTagName section"
+            }
+            else
+            {
+                $releaseDate = (Get-Date).AddMonths(1).ToString('MMMM yyyy')
+                $newSection = @(
+                    ''
+                    "## v$releaseTagName"
+                    ''
+                    "_Released ${releaseDate}_"
+                    ''
+                    '<!-- prettier-ignore-start -->'
+                    '> [!div class="nextstepaction"]'
+                    "> [Download](https://github.com/microsoft/finops-toolkit/releases/tag/$releaseTag)"
+                    '> [!div class="nextstepaction"]'
+                    "> [Full changelog](https://github.com/microsoft/finops-toolkit/compare/v$prevTag...$releaseTag)"
+                    '<!-- prettier-ignore-end -->'
+                    ''
+                    '<br>'
+                )
+
+                $changelogLines = $changelogLines[0..$anchorIndex] + $newSection + $changelogLines[($anchorIndex + 1)..($changelogLines.Count - 1)]
+                $changelogLines | Out-File $changelogPath -Encoding utf8
+                Write-Verbose "- Added v$releaseTagName section to changelog"
+            }
+        }
+    }
+
+    # Update integration test version variables
+    Write-Verbose "Updating integration test versions..."
+    $testPath = Join-Path $repoRoot 'src/powershell/Tests/Integration/Toolkit.Tests.ps1'
+    if (Test-Path $testPath)
+    {
+        $testContent = Get-Content $testPath -Raw
+        $releaseTagName = $releaseTag.TrimStart('v')
+
+        # Extract current planned release and skip if already up to date
+        if ($testContent -match '\$plannedRelease = ''([^'']+)''')
+        {
+            $oldPlanned = $Matches[1]
+
+            if ($oldPlanned -eq $releaseTagName)
+            {
+                Write-Verbose "- Integration test already has planned release '$releaseTagName'"
+            }
+            else
+            {
+                # Update $plannedRelease to the new version
+                $testContent = $testContent -replace '\$plannedRelease = ''[^'']+''', ('$plannedRelease = ''{0}''' -f $releaseTagName)
+
+                # Prepend old planned release to $expected array
+                $testContent = $testContent -replace '\$expected = @\(', ('$expected = @(''{0}'', ' -f $oldPlanned)
+
+                $testContent | Out-File $testPath -NoNewline -Encoding utf8
+                Write-Verbose "- Updated planned release from '$oldPlanned' to '$releaseTagName'"
+            }
+        }
+    }
 }
 
 return $ver