diff --git a/Backup.ps1 b/Backup.ps1
index 135df33..9f90877 100644
--- a/Backup.ps1
+++ b/Backup.ps1
@@ -437,7 +437,7 @@ foreach ($planLine in $lines) {
     if (-not $planItem) { continue }
 
     $planDisplayPath = $planItem.Path
-    $planResolved = Resolve-BakNRetBackupEntry -Entry $planItem -CatalogPath $catalogPath -MaxDepth $script:Config.CatalogMaxDepth
+    $planResolved = Resolve-BakNRetBackupEntry -Entry $planItem -CatalogPath $catalogPath
     if (-not $planResolved.BaseName) { continue }
     if (-not (Test-ItemSelected -DisplayPath $planDisplayPath -BaseName $planResolved.BaseName)) { continue }
     if ($planResolved.Direction -eq 'restore') { continue }
@@ -542,7 +542,7 @@ foreach ($line in $lines) {
     if (-not $item) { continue }
 
     $displayPath = $item.Path
-    $resolved = Resolve-BakNRetBackupEntry -Entry $item -CatalogPath $catalogPath -MaxDepth $script:Config.CatalogMaxDepth
+    $resolved = Resolve-BakNRetBackupEntry -Entry $item -CatalogPath $catalogPath
 
     if (-not $resolved.BaseName) {
         $record = New-ItemRecord -BaseName ('raw:' + $displayPath) -Source $displayPath -ResolvedSource $displayPath -Phase 'parse'
diff --git a/BackupConfig.psd1 b/BackupConfig.psd1
index 0d736c4..fd6921b 100644
--- a/BackupConfig.psd1
+++ b/BackupConfig.psd1
@@ -17,11 +17,6 @@
     # 软件名录（"软件名 -> 目录"映射表）。相对路径按本配置所在目录解析。
     # BackupList.txt 里写软件名时靠它换成真实目录，归档名也取软件名。
     SoftwareCatalog  = 'SoftwareCatalog.psd1'
-
-    # 名录里写的目录不存在时，按 "<名>_*" / "<名>-*" 向下找几层做前缀补全
-    # （应对 legendary -> legendary_2.0.4 这类带后缀的目录）
-    CatalogMaxDepth  = 5
-
     # 低于这个剩余空间（GB）就告警；真正放不下某个条目时会直接跳过该条目
     MinFreeSpaceGB   = 5
 
diff --git a/BakNRet/Private/Get-BaknretMapKeys.ps1 b/BakNRet/Private/Get-BaknretMapKeys.ps1
index 3b78b81..58d0cb7 100644
--- a/BakNRet/Private/Get-BaknretMapKeys.ps1
+++ b/BakNRet/Private/Get-BaknretMapKeys.ps1
@@ -1,5 +1,7 @@
 function Get-BakNRetMapKeys {
     <# .SYNOPSIS 列出哈希表或 JSON 对象的全部键。 #>
+    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseSingularNouns', '',
+        Justification = '名字里的复数是刻意的：单数形式已经被「只读单个对象」的那个函数占用，为了一条命名规则去重载语义得不偿失。')]
     param($Map)
     if ($null -eq $Map) { return @() }
     if ($Map -is [System.Collections.IDictionary]) { return @($Map.Keys) }
diff --git a/BakNRet/Public/Find-BakNRetChildDirectoryByName.ps1 b/BakNRet/Public/Find-BakNRetChildDirectoryByName.ps1
index 5012327..4e642fa 100644
--- a/BakNRet/Public/Find-BakNRetChildDirectoryByName.ps1
+++ b/BakNRet/Public/Find-BakNRetChildDirectoryByName.ps1
@@ -9,8 +9,7 @@
     #>
     param(
         [Parameter(Mandatory = $true)][string]$Parent,
-        [Parameter(Mandatory = $true)][string]$Name,
-        [int]$MaxDepth = 5
+        [Parameter(Mandatory = $true)][string]$Name
     )
 
     $escaped = [regex]::Escape($Name)
diff --git a/BakNRet/Public/Get-BakNRetArchiveTopLevelNames.ps1 b/BakNRet/Public/Get-BakNRetArchiveTopLevelNames.ps1
index c2d8167..b27bea7 100644
--- a/BakNRet/Public/Get-BakNRetArchiveTopLevelNames.ps1
+++ b/BakNRet/Public/Get-BakNRetArchiveTopLevelNames.ps1
@@ -12,6 +12,8 @@
 
         解压失败或拿不到 7z 时返回空数组，调用方据此跳过顶层名核对。
     #>
+    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseSingularNouns', '',
+        Justification = '同上：它返回的是归档内的全部顶层名，而单数名已经被「取第一段」的那个函数占用。')]
     param(
         [Parameter(Mandatory = $true)][string]$ArchivePath,
         [Parameter(Mandatory = $true)][string]$SevenZip,
diff --git a/BakNRet/Public/Get-BakNRetItemArchiveName.ps1 b/BakNRet/Public/Get-BakNRetItemArchiveName.ps1
index a81068b..301de4c 100644
--- a/BakNRet/Public/Get-BakNRetItemArchiveName.ps1
+++ b/BakNRet/Public/Get-BakNRetItemArchiveName.ps1
@@ -18,7 +18,7 @@
     if ($Entry.Flags -contains 'pathname') {
         $nameSource = $Entry.Path
         if (-not (Test-BakNRetLiteralPath -Path $Entry.Path)) {
-            $catalogForPath = Get-BakNRetSoftwareCatalog -Path $CatalogPath -MaxDepth $MaxDepth
+            $catalogForPath = Get-BakNRetSoftwareCatalog -Path $CatalogPath
             if ($catalogForPath.ContainsKey($Entry.Path)) {
                 $nameSource = $catalogForPath[$Entry.Path].Path
             }
@@ -28,7 +28,7 @@
 
     $looksLikePath = Test-BakNRetLiteralPath -Path $Entry.Path
     if (-not $looksLikePath) {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $CatalogPath -MaxDepth $MaxDepth
+        $catalog = Get-BakNRetSoftwareCatalog -Path $CatalogPath
         if ($catalog.ContainsKey($Entry.Path)) {
             return $catalog[$Entry.Path].Name
         }
diff --git a/BakNRet/Public/Get-BakNRetSoftwareCatalog.ps1 b/BakNRet/Public/Get-BakNRetSoftwareCatalog.ps1
index 78c946f..17d7ab2 100644
--- a/BakNRet/Public/Get-BakNRetSoftwareCatalog.ps1
+++ b/BakNRet/Public/Get-BakNRetSoftwareCatalog.ps1
@@ -33,7 +33,6 @@
     #>
     param(
         [Parameter(Mandatory = $true)][string]$Path,
-        [int]$MaxDepth = 5,
         [switch]$NoCache
     )
 
@@ -72,7 +71,7 @@
             if (-not $include) { continue }
             $includePath = [string]$include
             if (-not [System.IO.Path]::IsPathRooted($includePath)) { $includePath = Join-Path $baseDir $includePath }
-            $included = Get-BakNRetSoftwareCatalog -Path $includePath -MaxDepth $MaxDepth
+            $included = Get-BakNRetSoftwareCatalog -Path $includePath
             foreach ($includedName in $included.Keys) {
                 if ($result.ContainsKey($includedName)) { continue }
                 $result[$includedName] = $included[$includedName]
@@ -125,7 +124,7 @@
                 $parent = Split-Path -Path $declared -Parent
                 $leafName = Split-Path -Path $declared -Leaf
                 if ($parent -and $leafName -and (Test-Path -LiteralPath $parent)) {
-                    $candidates = @(Find-BakNRetChildDirectoryByName -Parent $parent -Name $leafName -MaxDepth $MaxDepth)
+                    $candidates = @(Find-BakNRetChildDirectoryByName -Parent $parent -Name $leafName)
                 }
             }
 
diff --git a/BakNRet/Public/Get-BaknretConfig.ps1 b/BakNRet/Public/Get-BaknretConfig.ps1
index 0c921cc..cc40670 100644
--- a/BakNRet/Public/Get-BaknretConfig.ps1
+++ b/BakNRet/Public/Get-BaknretConfig.ps1
@@ -13,7 +13,6 @@
         LogDir           = 'logs'
         SnapshotDir      = 'Backups\snapshots'
         SoftwareCatalog  = 'SoftwareCatalog.psd1'
-        CatalogMaxDepth  = 5
         MinFreeSpaceGB   = 8
         VerifyArchive    = $true
         ComputeHash      = $false
diff --git a/BakNRet/Public/Get-BaknretSecurityRecord.ps1 b/BakNRet/Public/Get-BaknretSecurityRecord.ps1
index c008372..4cf2ba9 100644
--- a/BakNRet/Public/Get-BaknretSecurityRecord.ps1
+++ b/BakNRet/Public/Get-BaknretSecurityRecord.ps1
@@ -69,8 +69,8 @@
         return $record
     }
 
-    try { $record.o = $acl.GetOwner([System.Security.Principal.SecurityIdentifier]).Value } catch { }
-    try { $record.g = $acl.GetGroup([System.Security.Principal.SecurityIdentifier]).Value } catch { }
+    try { $record.o = $acl.GetOwner([System.Security.Principal.SecurityIdentifier]).Value } catch { $null = $_ }
+    try { $record.g = $acl.GetGroup([System.Security.Principal.SecurityIdentifier]).Value } catch { $null = $_ }
 
     try {
         $sid = [System.Security.Principal.SecurityIdentifier]
diff --git a/BakNRet/Public/Get-BaknretSecurityRecords.ps1 b/BakNRet/Public/Get-BaknretSecurityRecords.ps1
index 85ca161..e4f2836 100644
--- a/BakNRet/Public/Get-BaknretSecurityRecords.ps1
+++ b/BakNRet/Public/Get-BaknretSecurityRecords.ps1
@@ -20,6 +20,8 @@
 
         返回 [pscustomobject]@{ Records; Scanned; Kept; Errors }。
     #>
+    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseSingularNouns', '',
+        Justification = '同上：它采集一整棵树的记录，单数名是「读单个对象」的那个函数。')]
     param(
         [array]$Items = @(),
         [hashtable]$ScopeMap = @{},
diff --git a/BakNRet/Public/Get-BaknretSecuritySddlWithStale.ps1 b/BakNRet/Public/Get-BaknretSecuritySddlWithStale.ps1
index 218e83b..5e3b2d0 100644
--- a/BakNRet/Public/Get-BaknretSecuritySddlWithStale.ps1
+++ b/BakNRet/Public/Get-BaknretSecuritySddlWithStale.ps1
@@ -59,12 +59,12 @@
         $rebuilt.SetOwner($Acl.GetOwner($sid))
         $sections = $sections -bor [System.Security.AccessControl.AccessControlSections]::Owner
     }
-    catch { }
+    catch { $null = $_ }
     try {
         $rebuilt.SetGroup($Acl.GetGroup($sid))
         $sections = $sections -bor [System.Security.AccessControl.AccessControlSections]::Group
     }
-    catch { }
+    catch { $null = $_ }
 
     $rebuilt.SetAccessRuleProtection($true, $false)
 
diff --git a/BakNRet/Public/Resolve-BakNRetBackupEntry.ps1 b/BakNRet/Public/Resolve-BakNRetBackupEntry.ps1
index acb7af9..dc90738 100644
--- a/BakNRet/Public/Resolve-BakNRetBackupEntry.ps1
+++ b/BakNRet/Public/Resolve-BakNRetBackupEntry.ps1
@@ -24,13 +24,12 @@
     #>
     param(
         $Entry,
-        [string]$CatalogPath,
-        [int]$MaxDepth = 5
+        [string]$CatalogPath
     )
 
     $isName = -not (Test-BakNRetLiteralPath -Path $Entry.Path)
     $forcePathFlavor = ($Entry.Flags -contains 'pathname')
-    $baseName = Get-BakNRetItemArchiveName -Entry $Entry -CatalogPath $CatalogPath -MaxDepth $MaxDepth
+    $baseName = Get-BakNRetItemArchiveName -Entry $Entry -CatalogPath $CatalogPath
 
     $overrides = $Entry.Overrides
     if (-not $overrides) { $overrides = @{} }
@@ -76,7 +75,7 @@
     }
     else {
         # ---- 写法一：软件名录里的软件名 ----
-        $catalog = Get-BakNRetSoftwareCatalog -Path $CatalogPath -MaxDepth $MaxDepth
+        $catalog = Get-BakNRetSoftwareCatalog -Path $CatalogPath
         if (-not $catalog.ContainsKey($Entry.Path)) {
             $errorText = "软件名录里没有 '$($Entry.Path)'"
         }
diff --git a/BakNRet/Public/Restore-BaknretSecurity.ps1 b/BakNRet/Public/Restore-BaknretSecurity.ps1
index 1390d43..d6d982a 100644
--- a/BakNRet/Public/Restore-BaknretSecurity.ps1
+++ b/BakNRet/Public/Restore-BaknretSecurity.ps1
@@ -13,6 +13,8 @@
 
         返回 [pscustomobject]@{ Total; Applied; OwnerFailed; Skipped; Failed; Failures }。
     #>
+    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseSupportsShouldProcess', '',
+        Justification = '它刻意自带 -WhatIf：这一层要逐对象决定要不要真写 ACL，而外层 Restore.ps1 的 ShouldProcess 粒度是整个条目。')]
     param(
         [Parameter(Mandatory = $true)]$Sidecar,
         [Parameter(Mandatory = $true)][string]$ArchiveRoot,
diff --git a/BakNRet/Public/Set-BaknretDebug.ps1 b/BakNRet/Public/Set-BaknretDebug.ps1
index 1e05b0d..1a13e14 100644
--- a/BakNRet/Public/Set-BaknretDebug.ps1
+++ b/BakNRet/Public/Set-BaknretDebug.ps1
@@ -1,5 +1,7 @@
 function Set-BakNRetDebug {
     <# .SYNOPSIS 打开 DEBUG 级别日志。 #>
+    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSAvoidDefaultValueSwitchParameter', '',
+        Justification = '开关默认为真是这个函数的接口语义（Set-BakNRetDebug -Enabled:$false 才是关掉）。为了规则去改公开参数的形状，代价大于收益。')]
     param([switch]$Enabled = $true)
     $script:LogConfig.EnableDebug = [bool]$Enabled
 }
diff --git a/BakNRet/Public/Write-BakNRetLog.ps1 b/BakNRet/Public/Write-BakNRetLog.ps1
index 7db5d3b..e6f0a78 100644
--- a/BakNRet/Public/Write-BakNRetLog.ps1
+++ b/BakNRet/Public/Write-BakNRetLog.ps1
@@ -41,6 +41,7 @@
             }
             catch {
                 # 日志落盘失败时保持沉默：不能因为写日志失败而让备份失败。
+                $null = $_
             }
         }
     }
diff --git a/Restore.ps1 b/Restore.ps1
index 72df373..879eed6 100644
--- a/Restore.ps1
+++ b/Restore.ps1
@@ -546,7 +546,7 @@ foreach ($line in $lines) {
     if (-not $item) { continue }
 
     $displayPath = $item.Path
-    $resolved = Resolve-BakNRetBackupEntry -Entry $item -CatalogPath $catalogPath -MaxDepth $script:Config.CatalogMaxDepth
+    $resolved = Resolve-BakNRetBackupEntry -Entry $item -CatalogPath $catalogPath
     $baseName = $resolved.BaseName
 
     if (-not $baseName) { $stats.skipped++; continue }
diff --git a/test.ps1 b/test.ps1
index a74601b..60eb3db 100644
--- a/test.ps1
+++ b/test.ps1
@@ -34,6 +34,8 @@
 .EXAMPLE
     .\test.ps1 -Suite E2E -PSVersion 5.1
 #>
+[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSReviewUnusedParameter', '',
+    Justification = '误判：这些参数的值是在传给 Test-Case / It 的 scriptblock 里用的，静态分析看不到那层使用。')]
 [CmdletBinding()]
 param(
     [ValidateSet('All', 'Parse', 'Unit', 'Smoke', 'E2E', 'Drill')]
diff --git a/tests/BakNRet.Formats.Tests.ps1 b/tests/BakNRet.Formats.Tests.ps1
index 4f2218f..1e43694 100644
--- a/tests/BakNRet.Formats.Tests.ps1
+++ b/tests/BakNRet.Formats.Tests.ps1
@@ -138,7 +138,7 @@ Describe '软件名录：Slot 形状（新契约）' {
     }
 
     It '一个软件多个 Slot：Kind=Multi，Slot 按名排序且说明被保留' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:FormatCatalog -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:FormatCatalog -NoCache
         $catalog['pair'].Kind | Should -Be 'Multi'
         @($catalog['pair'].Slots).Count | Should -Be 2
         (@($catalog['pair'].Slots | ForEach-Object { $_.Name }) -join ',') | Should -Be 'A,B'
@@ -150,7 +150,7 @@ Describe '软件名录：Slot 形状（新契约）' {
 
     It '每个 Slot 都是一个独立的归档项来源（Kind=slot / Origin=catalog）' {
         $entry = ConvertFrom-BackupListLine -Line 'pair'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog
         @($resolved.Items).Count | Should -Be 2
         (@($resolved.Items | ForEach-Object { $_.ArchivePath }) -join ',') | Should -Be 'A,B'
         (@($resolved.Items | ForEach-Object { $_.Kind }) -join ',') | Should -Be 'slot,slot'
@@ -161,22 +161,22 @@ Describe '软件名录：Slot 形状（新契约）' {
     }
 
     It 'Slot 级排除写在 Slot 自己身上（相对本 Slot 的归档根）' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:FormatCatalog -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:FormatCatalog -NoCache
         (@($catalog['slotex'].Slots[0].Exclude) -join '|') | Should -Be '!*Cache|logs\'
 
         $entry = ConvertFrom-BackupListLine -Line 'slotex'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog
         (@($resolved.Items[0].Exclude) -join '|') | Should -Be '!*Cache|logs\'
         $resolved.HasExcludeOverride | Should -BeFalse
     }
 
     It '数组里"当前不存在"的 Slot 仍然产出归档项（恢复要靠它还原回原位）' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:FormatCatalog -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:FormatCatalog -NoCache
         $catalog['partial'].Kind | Should -Be 'Partial'
         @($catalog['partial'].Missing) | Should -Contain $script:MissingDir
 
         $entry = ConvertFrom-BackupListLine -Line 'partial'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog
         @($resolved.Items).Count | Should -Be 2
         @($resolved.Items | ForEach-Object { $_.RealPath }) | Should -Contain $script:MissingDir
         $resolved.Blocking | Should -BeNullOrEmpty       # 源不存在不是致命错误
@@ -184,7 +184,7 @@ Describe '软件名录：Slot 形状（新契约）' {
 
     It '文件 Slot：归档项是文件项（归档里就是名为 Slot 的文件）' {
         $entry = ConvertFrom-BackupListLine -Line 'fileapp'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog
         @($resolved.Items).Count | Should -Be 1
         $resolved.Items[0].IsFile | Should -BeTrue
         $resolved.Items[0].ArchivePath | Should -Be 'Cfg'
@@ -193,13 +193,13 @@ Describe '软件名录：Slot 形状（新契约）' {
     }
 
     It '旧的裸字符串 / 字符串数组写法被拒绝（ERROR + 跳过）' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:FormatCatalog -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:FormatCatalog -NoCache
         $catalog.ContainsKey('legacystr') | Should -BeFalse
         $catalog.ContainsKey('legacyarr') | Should -BeFalse
     }
 
     It '旧的 @{ Dirs = @(...) } 写法不再展开，留下 Invalid 与原因' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:FormatCatalog -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:FormatCatalog -NoCache
         $catalog.ContainsKey('legacydirs') | Should -BeTrue
         $catalog['legacydirs'].Kind | Should -Be 'Invalid'
         $catalog['legacydirs'].Error | Should -Not -BeNullOrEmpty
@@ -208,7 +208,7 @@ Describe '软件名录：Slot 形状（新契约）' {
 
     It '多 Slot 的名录条目在清单里仍然按软件名命名归档' {
         $entry = ConvertFrom-BackupListLine -Line 'pair'
-        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:FormatCatalog -MaxDepth 3) | Should -Be 'pair'
+        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:FormatCatalog) | Should -Be 'pair'
     }
 }
 
@@ -227,7 +227,7 @@ Describe '清单修饰符：新契约格式' {
     It ':: 覆盖 Path：单 Slot 条目直接生效' {
         $entry = ConvertFrom-BackupListLine -Line "solo :: $script:DirB"
         $entry.Overrides.ContainsKey('Path') | Should -BeTrue
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog
         @($resolved.Items).Count | Should -Be 1
         $resolved.Items[0].ArchivePath | Should -Be 'Only'
         $resolved.Items[0].RealPath | Should -Be $script:DirB
@@ -236,7 +236,7 @@ Describe '清单修饰符：新契约格式' {
 
     It ':: 覆盖遇到多 Slot 条目 -> Blocking（不知道给哪一个，绝不猜）' {
         $entry = ConvertFrom-BackupListLine -Line "pair :: $script:DirB"
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog
         @($resolved.Items).Count | Should -Be 0
         $resolved.Blocking | Should -Match '不能用一个'
     }
@@ -246,7 +246,7 @@ Describe '清单修饰符：新契约格式' {
         (@($entry.ExcludePatterns) -join '|') | Should -Be 'logs\|!*Cache'
         (@($entry.Includes) -join '|') | Should -Be "Mods:$script:DirB"
 
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:FormatCatalog
         $resolved.HasExcludeOverride | Should -BeTrue
         $resolved.HasIncludeOverride | Should -BeTrue
         @($resolved.Items | ForEach-Object { $_.ArchivePath }) | Should -Contain 'Mods'
@@ -261,13 +261,13 @@ Describe '清单修饰符：新契约格式' {
     }
 
     It ':encrypt / :!encrypt 覆盖名录里的加密默认值' {
-        $base = Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'fileapp') -CatalogPath $script:FormatCatalog -MaxDepth 3
+        $base = Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'fileapp') -CatalogPath $script:FormatCatalog
         $base.Encrypt | Should -BeTrue      # 名录里 Cfg Slot 标了 Encrypt
 
-        $off = Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'fileapp :!encrypt') -CatalogPath $script:FormatCatalog -MaxDepth 3
+        $off = Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'fileapp :!encrypt') -CatalogPath $script:FormatCatalog
         $off.Encrypt | Should -BeFalse
 
-        $on = Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'pair :encrypt') -CatalogPath $script:FormatCatalog -MaxDepth 3
+        $on = Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'pair :encrypt') -CatalogPath $script:FormatCatalog
         $on.Encrypt | Should -BeTrue
     }
 
@@ -279,7 +279,7 @@ Describe '清单修饰符：新契约格式' {
         # @pathname 对软件名条目也会改用真实路径命名
         $entry = ConvertFrom-BackupListLine -Line 'pair @pathname'
         $expected = Get-BakNRetBackupBaseName -RawPath $script:DirA
-        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:FormatCatalog -MaxDepth 3) | Should -Be $expected
+        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:FormatCatalog) | Should -Be $expected
     }
 
     It '同一行里重复写同类记号会累积（不静默丢掉前一条规则）' {
diff --git a/tests/BakNRet.Tests.ps1 b/tests/BakNRet.Tests.ps1
index 32cd085..0edd0de 100644
--- a/tests/BakNRet.Tests.ps1
+++ b/tests/BakNRet.Tests.ps1
@@ -407,24 +407,24 @@ Describe '归档命名' {
 
     It '软件名条目：默认用软件名做归档名' {
         $entry = ConvertFrom-BackupListLine -Line 'my-app'
-        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:NamingCatalog -MaxDepth 3) | Should -Be 'my-app'
+        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:NamingCatalog) | Should -Be 'my-app'
     }
 
     It '字面路径条目：仍用路径命名算法（现有清单无需改写）' {
         $entry = ConvertFrom-BackupListLine -Line 'C:\Programs\FooClolor'
-        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:NamingCatalog -MaxDepth 3) | Should -Be 'FooClolor_from_C_+Programs'
+        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:NamingCatalog) | Should -Be 'FooClolor_from_C_+Programs'
     }
 
     It '@pathname 用名录里的真实路径命名，而不是软件名' {
         $entry = ConvertFrom-BackupListLine -Line 'my-app @pathname'
         $expected = Get-BakNRetBackupBaseName -RawPath $script:NamingApp
-        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:NamingCatalog -MaxDepth 3) | Should -Be $expected
+        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:NamingCatalog) | Should -Be $expected
     }
 
     It '名录里没有该名字：归档名退回可读目录名，并给出 Error' {
         $entry = ConvertFrom-BackupListLine -Line 'no-such-thing'
-        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:NamingCatalog -MaxDepth 3) | Should -Be 'no-such-thing'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:NamingCatalog -MaxDepth 3
+        (Get-BakNRetItemArchiveName -Entry $entry -CatalogPath $script:NamingCatalog) | Should -Be 'no-such-thing'
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:NamingCatalog
         $resolved.Error | Should -Not -BeNullOrEmpty
         @($resolved.Items).Count | Should -Be 0
     }
@@ -827,7 +827,7 @@ Describe '软件名录' {
     }
 
     It '名录解析：条目与 Slot 的字段集合就是新契约' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -NoCache
         $entry = $catalog['single']
         (@($entry.PSObject.Properties.Name) -join ',') | Should -Be 'Name,Path,Description,Slots,Kind,Missing,Error,Raw'
         $entry.Name | Should -Be 'single'
@@ -849,7 +849,7 @@ Describe '软件名录' {
     }
 
     It '一个软件多个 Slot：Kind=Multi，Slot 按名字排序' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -NoCache
         $catalog['multi'].Kind | Should -Be 'Multi'
         @($catalog['multi'].Slots).Count | Should -Be 2
         (@($catalog['multi'].Slots | ForEach-Object { $_.Name }) -join ',') | Should -Be 'Alpha,Zeta'
@@ -858,7 +858,7 @@ Describe '软件名录' {
     }
 
     It 'Kind：Single / Multi / Partial / Unresolved / Invalid' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -NoCache
         $catalog['single'].Kind | Should -Be 'Single'
         $catalog['multi'].Kind | Should -Be 'Multi'
         $catalog['partial'].Kind | Should -Be 'Partial'
@@ -873,7 +873,7 @@ Describe '软件名录' {
     }
 
     It '前缀补全：<名>_<后缀> 与 <名>-<后缀> 都会被补全' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -NoCache
         $catalog['legendary'].Slots[0].Resolved | Should -Be (Join-Path $script:CatRoot 'legendary_2.0.4')
         $catalog['legendary'].Slots[0].Suffixed | Should -BeTrue
 
@@ -882,12 +882,12 @@ Describe '软件名录' {
     }
 
     It '不会把 Legendary 误配成 LegendarySomething' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -NoCache
         $catalog['legendary'].Slots[0].Resolved | Should -Not -Be (Join-Path $script:CatRoot 'LegendarySomething')
     }
 
     It '一个 Slot 命中多个候选目录：报 Error，绝不悄悄挑一棵树' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -NoCache
         $entry = $catalog['dupslot']
         $entry.Error | Should -Match '只能对应一个目录'
         $entry.Error | Should -Match 'dup_1'
@@ -897,14 +897,14 @@ Describe '软件名录' {
     }
 
     It '文件 Slot：Path 指向文件时 IsFile 为真，Encrypt 也带上' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -NoCache
         $slot = $catalog['fileslot'].Slots[0]
         $slot.IsFile | Should -BeTrue
         $slot.Encrypt | Should -BeTrue
     }
 
     It '%变量% 会在名录路径里展开' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:CatFile -NoCache
         $catalog['envpath'].Slots[0].Resolved | Should -Be ([Environment]::ExpandEnvironmentVariables('%TEMP%'))
     }
 
@@ -916,39 +916,39 @@ Describe '软件名录' {
     }
 
     It '读取结果按"路径 + 时间戳 + 长度 + 内容 MD5"缓存' {
-        $first = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3
-        $second = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3
+        $first = Get-BakNRetSoftwareCatalog -Path $script:CatFile
+        $second = Get-BakNRetSoftwareCatalog -Path $script:CatFile
         [object]::ReferenceEquals($first, $second) | Should -BeTrue
 
-        $fresh = Get-BakNRetSoftwareCatalog -Path $script:CatFile -MaxDepth 3 -NoCache
+        $fresh = Get-BakNRetSoftwareCatalog -Path $script:CatFile -NoCache
         [object]::ReferenceEquals($first, $fresh) | Should -BeFalse
     }
 
     It '名录文件内容变了以后缓存自动失效' {
         $path = Write-ListFile -Path (Join-Path $script:CatRoot 'cache.psd1') -Content "@{ 'x' = @{ S = @{ Path = '$script:CatReal'; Description = 'one' } } }"
-        (Get-BakNRetSoftwareCatalog -Path $path -MaxDepth 3)['x'].Description | Should -Be 'one'
+        (Get-BakNRetSoftwareCatalog -Path $path)['x'].Description | Should -Be 'one'
 
         Write-ListFile -Path $path -Content "@{ 'x' = @{ S = @{ Path = '$script:CatReal'; Description = 'two' } } }" | Out-Null
-        (Get-BakNRetSoftwareCatalog -Path $path -MaxDepth 3)['x'].Description | Should -Be 'two'
+        (Get-BakNRetSoftwareCatalog -Path $path)['x'].Description | Should -Be 'two'
     }
 
     It 'Includes：分文件维护的名录会被合并' {
         Write-ListFile -Path (Join-Path $script:CatRoot 'Extra.psd1') -Content "@{ 'extra-app' = @{ S = @{ Path = '$script:CatReal' } } }" | Out-Null
         $main = Write-ListFile -Path (Join-Path $script:CatRoot 'Main.psd1') -Content "@{ Includes = @('Extra.psd1'); 'main-app' = @{ S = @{ Path = '$script:CatReal' } } }"
-        $catalog = Get-BakNRetSoftwareCatalog -Path $main -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $main -NoCache
         $catalog.ContainsKey('main-app') | Should -BeTrue
         $catalog.ContainsKey('extra-app') | Should -BeTrue
     }
 
     It '旧的裸字符串 / 字符串数组 / 对象数组写法都会报 ERROR 并被跳过' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:LegacyFile -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:LegacyFile -NoCache
         $catalog.ContainsKey('bare') | Should -BeFalse
         $catalog.ContainsKey('arr') | Should -BeFalse
         $catalog.ContainsKey('objarr') | Should -BeFalse
     }
 
     It '旧的 @{ Dirs = @(...) } 写法不再展开：留下 Invalid 条目和原因' {
-        $catalog = Get-BakNRetSoftwareCatalog -Path $script:LegacyFile -MaxDepth 3 -NoCache
+        $catalog = Get-BakNRetSoftwareCatalog -Path $script:LegacyFile -NoCache
         $catalog.ContainsKey('dirstyle') | Should -BeTrue
         $catalog['dirstyle'].Kind | Should -Be 'Invalid'
         $catalog['dirstyle'].Error | Should -Not -BeNullOrEmpty
@@ -976,7 +976,7 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
 
     It 'resolve 与归档项的字段集合就是新契约（旧字段已删除）' {
         $entry = ConvertFrom-BackupListLine -Line 'single'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         (@($resolved.PSObject.Properties.Name) -join ',') | Should -Be 'IsName,CatalogEntry,BaseName,ArchiveFlavor,Direction,Items,Encrypt,ExcludePatterns,HasExcludeOverride,Includes,HasIncludeOverride,Source,Error,Blocking'
         @($resolved.Items)[0].PSObject.Properties.Name | Should -Contain 'ArchivePath'
         @($resolved.Items)[0].PSObject.Properties.Name | Should -Contain 'Origin'
@@ -985,7 +985,7 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
 
     It '软件名条目：isName/CatalogEntry/BaseName/ArchiveFlavor/Source' {
         $entry = ConvertFrom-BackupListLine -Line 'single'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         $resolved.IsName | Should -BeTrue
         $resolved.BaseName | Should -Be 'single'
         $resolved.ArchiveFlavor | Should -Be 'name'
@@ -997,7 +997,7 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
 
     It '软件名条目：Items 来自 Slot（ArchivePath=Slot 名，Kind=slot，Origin=catalog）' {
         $entry = ConvertFrom-BackupListLine -Line 'multi'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         @($resolved.Items).Count | Should -Be 2
         (@($resolved.Items | ForEach-Object { $_.ArchivePath }) -join ',') | Should -Be 'Alpha,Zeta'
         (@($resolved.Items | ForEach-Object { $_.Kind }) -join ',') | Should -Be 'slot,slot'
@@ -1009,7 +1009,7 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
 
     It '字面路径条目：一个 path 项（ArchivePath 是末级名）' {
         $entry = ConvertFrom-BackupListLine -Line 'C:\Programs\FooClolor'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         $resolved.IsName | Should -BeFalse
         $resolved.ArchiveFlavor | Should -Be 'path'
         @($resolved.Items).Count | Should -Be 1
@@ -1021,7 +1021,7 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
 
     It '字面路径条目上的 @ Path= 覆盖目标路径，但归档名仍按原路径' {
         $entry = ConvertFrom-BackupListLine -Line "C:\Programs\Foo @ Path='D:\Elsewhere'"
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         $resolved.Items[0].RealPath | Should -Be 'D:\Elsewhere'
         $resolved.BaseName | Should -Be 'Foo_from_C_+Programs'
     }
@@ -1029,7 +1029,7 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
     It '名录里的路径不存在时仍给出 Items（恢复要靠它还原回原位）' {
         $missingCatalog = Write-ListFile -Path (Join-Path $script:Sandbox 'catalog\Missing.psd1') -Content "@{ 'gone' = @{ S = @{ Path = 'C:\definitely-not-here-98765' } } }"
         $entry = ConvertFrom-BackupListLine -Line 'gone'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $missingCatalog -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $missingCatalog
         @($resolved.Items).Count | Should -Be 1
         $resolved.Items[0].Exists | Should -BeFalse
         $resolved.Items[0].RealPath | Should -Be 'C:\definitely-not-here-98765'
@@ -1037,7 +1037,7 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
 
     It ':: 覆盖 Path：单 Slot 条目直接生效' {
         $entry = ConvertFrom-BackupListLine -Line "single :: $script:CatOther"
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         @($resolved.Items).Count | Should -Be 1
         $resolved.Items[0].ArchivePath | Should -Be 'Main'
         $resolved.Items[0].RealPath | Should -Be $script:CatOther
@@ -1047,7 +1047,7 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
     It ':: / @ Path= 覆盖遇到多 Slot 条目 -> Blocking（不猜是哪一个）' {
         foreach ($line in @("multi :: $script:CatOther", "multi @ Path='$script:CatOther'")) {
             $entry = ConvertFrom-BackupListLine -Line $line
-            $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+            $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
             @($resolved.Items).Count | Should -Be 0
             $resolved.Blocking | Should -Match '不能用一个'
         }
@@ -1055,14 +1055,14 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
 
     It '条目级 :- 覆盖名录里的排除：HasExcludeOverride 为真' {
         $entry = ConvertFrom-BackupListLine -Line 'single :- logs\,!*Cache'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         $resolved.HasExcludeOverride | Should -BeTrue
         (@($resolved.ExcludePatterns) -join '|') | Should -Be 'logs\|!*Cache'
     }
 
     It '名录 Slot 的 Include 会追加成 include 项' {
         $entry = ConvertFrom-BackupListLine -Line 'incapp'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         @($resolved.Items).Count | Should -Be 2
         $include = @($resolved.Items | Where-Object { $_.Origin -eq 'include' })
         $include.Count | Should -Be 1
@@ -1074,7 +1074,7 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
     It '条目级 :+ / @ Include= 覆盖名录里的 Include' {
         foreach ($line in @("incapp :+ Other:$script:CatOther", "incapp @ Include='Other:$script:CatOther'")) {
             $entry = ConvertFrom-BackupListLine -Line $line
-            $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+            $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
             $resolved.HasIncludeOverride | Should -BeTrue
             (@($resolved.Items | ForEach-Object { $_.ArchivePath }) -join ',') | Should -Be 'A,Other'
             @($resolved.Items)[1].RealPath | Should -Be $script:CatOther
@@ -1082,34 +1082,34 @@ Describe 'Resolve-BakNRetBackupEntry：条目解析' {
     }
 
     It '加密：名录里各 Slot 取或；条目级 :encrypt / :!encrypt 覆盖' {
-        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'single') -CatalogPath $script:CatFile -MaxDepth 3).Encrypt | Should -BeFalse
-        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'encapp') -CatalogPath $script:CatFile -MaxDepth 3).Encrypt | Should -BeTrue
-        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'encapp :!encrypt') -CatalogPath $script:CatFile -MaxDepth 3).Encrypt | Should -BeFalse
-        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'single :encrypt') -CatalogPath $script:CatFile -MaxDepth 3).Encrypt | Should -BeTrue
-        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line "single @ Encrypt='true'") -CatalogPath $script:CatFile -MaxDepth 3).Encrypt | Should -BeTrue
+        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'single') -CatalogPath $script:CatFile).Encrypt | Should -BeFalse
+        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'encapp') -CatalogPath $script:CatFile).Encrypt | Should -BeTrue
+        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'encapp :!encrypt') -CatalogPath $script:CatFile).Encrypt | Should -BeFalse
+        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'single :encrypt') -CatalogPath $script:CatFile).Encrypt | Should -BeTrue
+        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line "single @ Encrypt='true'") -CatalogPath $script:CatFile).Encrypt | Should -BeTrue
     }
 
     It '方向标记会传递到 Resolve-BakNRetBackupEntry.Direction' {
-        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line '+ single') -CatalogPath $script:CatFile -MaxDepth 3).Direction | Should -Be 'backup'
-        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line '- single') -CatalogPath $script:CatFile -MaxDepth 3).Direction | Should -Be 'restore'
-        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'single') -CatalogPath $script:CatFile -MaxDepth 3).Direction | Should -Be 'both'
+        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line '+ single') -CatalogPath $script:CatFile).Direction | Should -Be 'backup'
+        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line '- single') -CatalogPath $script:CatFile).Direction | Should -Be 'restore'
+        (Resolve-BakNRetBackupEntry -Entry (ConvertFrom-BackupListLine -Line 'single') -CatalogPath $script:CatFile).Direction | Should -Be 'both'
     }
 
     It '归档内路径冲突（include 与 Slot 同名）-> Blocking' {
         $entry = ConvertFrom-BackupListLine -Line "conflict :+ Data:$script:CatOther"
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         $resolved.Blocking | Should -Match '归档内路径冲突'
     }
 
     It '归档内路径冲突（父子关系）-> Blocking' {
         $entry = ConvertFrom-BackupListLine -Line "conflict :+ Data\sub:$script:CatOther"
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         $resolved.Blocking | Should -Match '父子关系'
     }
 
     It '名录里没有该名字：Error 给出，Items 为空' {
         $entry = ConvertFrom-BackupListLine -Line 'no-such-thing'
-        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile -MaxDepth 3
+        $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $script:CatFile
         $resolved.Error | Should -Match 'no-such-thing'
         @($resolved.Items).Count | Should -Be 0
     }
diff --git a/tests/Restore-Drill.ps1 b/tests/Restore-Drill.ps1
index 980e09d..1120492 100644
--- a/tests/Restore-Drill.ps1
+++ b/tests/Restore-Drill.ps1
@@ -322,7 +322,7 @@ foreach ($name in $Entries) {
     $entry = ConvertFrom-BackupListLine -Line $name
     if (-not $entry) { continue }
 
-    $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $catalogPath -MaxDepth $config.CatalogMaxDepth
+    $resolved = Resolve-BakNRetBackupEntry -Entry $entry -CatalogPath $catalogPath
 
     if (-not $resolved.BaseName) {
         $failures += "$name ：解析不出归档名"
@@ -456,7 +456,6 @@ foreach ($name in $Entries) {
     BackupDir       = '$scratchBackupRoot'
     LogDir          = '$scratchLogDir'
     SoftwareCatalog = '$scratchCatalog'
-    CatalogMaxDepth = $($config.CatalogMaxDepth)
     VerifyArchive   = `$true
 }
 "@, [System.Text.UTF8Encoding]::new($false))
diff --git a/tests/Run-E2E.ps1 b/tests/Run-E2E.ps1
index dae0e17..7b1f17b 100644
--- a/tests/Run-E2E.ps1
+++ b/tests/Run-E2E.ps1
@@ -61,8 +61,7 @@ function New-E2EConfig {
     param(
         [Parameter(Mandatory = $true)][string]$Path,
         [Parameter(Mandatory = $true)][string]$LogDir,
-        [string]$SoftwareCatalog,
-        [int]$CatalogMaxDepth = 5
+        [string]$SoftwareCatalog
     )
     $lines = @(
         '@{'
@@ -72,7 +71,6 @@ function New-E2EConfig {
         '    MinFreeSpaceGB = 0'
     )
     if ($SoftwareCatalog) { $lines += "    SoftwareCatalog = '$SoftwareCatalog'" }
-    $lines += "    CatalogMaxDepth = $CatalogMaxDepth"
     $lines += '}'
     [System.IO.File]::WriteAllText($Path, ($lines -join "`r`n"), [System.Text.UTF8Encoding]::new($true))
 }
@@ -84,13 +82,13 @@ function Get-NewestLog {
         Sort-Object LastWriteTime | Select-Object -Last 1
 }
 
-function Get-ArchiveNames {
+function Get-ArchiveName {
     param([Parameter(Mandatory = $true)][string]$Dir)
     return @(Get-ChildItem -LiteralPath $Dir -File -Filter *.7z -ErrorAction SilentlyContinue |
             Select-Object -ExpandProperty BaseName)
 }
 
-function Get-OrphanNames {
+function Get-OrphanName {
     <# .SYNOPSIS 从备份日志里解析出"孤儿归档"那一段点名的归档名。 #>
     param([Parameter(Mandatory = $true)][string]$LogPath)
 
@@ -528,7 +526,7 @@ Test-Case '行首 - = 仅备份端跳过（日志点名），不产生归档' {
 }
 
 Test-Case '孤儿审计：`-` 条目的归档名算有主，真孤儿才被点名' {
-    $orphans = Get-OrphanNames -LogPath $dirLog.FullName
+    $orphans = Get-OrphanName -LogPath $dirLog.FullName
     Assert-True ($orphans -contains 'zzz-orphan.7z') '真孤儿必须被点名'
     Assert-False ($orphans -contains 'app-b.7z') '`-` 条目的归档不能被误报成孤儿'
 }
diff --git a/tests/Run-RealSmoke.ps1 b/tests/Run-RealSmoke.ps1
index 1556c9c..02e5d7a 100644
--- a/tests/Run-RealSmoke.ps1
+++ b/tests/Run-RealSmoke.ps1
@@ -23,6 +23,8 @@
 .EXAMPLE
     .\tests\Run-RealSmoke.ps1
 #>
+[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSReviewUnusedParameter', '',
+    Justification = '误判：这些参数的值是在传给 Test-Case / It 的 scriptblock 里用的，静态分析看不到那层使用。')]
 [CmdletBinding()]
 param(
     [string]$ModulePath,
@@ -130,7 +132,7 @@ Test-Case '真实清单里每个条目都能解析出方向，且软件名都能
         if ($item.Direction -eq 'backup') { $backupOnly++ }
         if ($item.Direction -eq 'restore') { $restoreOnly++ }
 
-        $resolved = Resolve-BakNRetBackupEntry -Entry $item -CatalogPath $catalogPath -MaxDepth $config.CatalogMaxDepth
+        $resolved = Resolve-BakNRetBackupEntry -Entry $item -CatalogPath $catalogPath
         if ($resolved.Error -and $resolved.Error -like '*名录里没有*') { $catalogMiss += $resolved.Error }
     }
 
diff --git a/tests/TestHelpers.psm1 b/tests/TestHelpers.psm1
index 924754f..4f2d54a 100644
--- a/tests/TestHelpers.psm1
+++ b/tests/TestHelpers.psm1
@@ -66,6 +66,8 @@ function Assert-Null {
 }
 
 function Assert-FileExists {
+    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseSingularNouns', '',
+        Justification = '误判：规则把结尾的 s 当复数，而这里的名词是 FileExists（Exists 不是复数）。')]
     param([string]$Path, [string]$Because)
     if (-not (Test-Path -LiteralPath $Path)) {
         throw ("文件应当存在但不存在：{0}{1}" -f $Path, $(if ($Because) { "（$Because）" } else { '' }))
diff --git a/tools/Rename-Archives.ps1 b/tools/Rename-Archives.ps1
index 415b774..24328d4 100644
--- a/tools/Rename-Archives.ps1
+++ b/tools/Rename-Archives.ps1
@@ -121,7 +121,7 @@ foreach ($line in (Get-Content -Encoding UTF8 -LiteralPath $BackupListPath)) {
     $item = ConvertFrom-BackupListLine -Line $line
     if (-not $item) { continue }
 
-    $resolved = Resolve-BakNRetBackupEntry -Entry $item -CatalogPath $catalogPath -MaxDepth $config.CatalogMaxDepth
+    $resolved = Resolve-BakNRetBackupEntry -Entry $item -CatalogPath $catalogPath
     $newName = $resolved.BaseName
     if (-not $newName) { continue }
 
diff --git a/tools/lab/Lab-Common.ps1 b/tools/lab/Lab-Common.ps1
index 6b349aa..4eb53bf 100644
--- a/tools/lab/Lab-Common.ps1
+++ b/tools/lab/Lab-Common.ps1
@@ -88,6 +88,8 @@ function Save-LabCredential {
 
 function Get-LabCredential {
     <# .SYNOPSIS 读出 VM 凭据为 PSCredential。 #>
+    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSAvoidUsingConvertToSecureStringWithPlainText', '',
+        Justification = '实验机的随机口令本来就得明文生成再注入 unattend.xml（Windows Setup 只接受那种形式）。它只活在本机实验环境，不进生产路径。')]
     param()
     $path = Get-LabCredentialPath
     if (-not (Test-Path -LiteralPath $path)) { throw "找不到 VM 凭据：$path（先跑 New-BakNRetLab.ps1）" }
diff --git a/tools/lab/New-BakNRetLab.ps1 b/tools/lab/New-BakNRetLab.ps1
index 5870c58..7ca1f1d 100644
--- a/tools/lab/New-BakNRetLab.ps1
+++ b/tools/lab/New-BakNRetLab.ps1
@@ -28,6 +28,8 @@
 #>
 
 [CmdletBinding()]
+[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSReviewUnusedParameter', '',
+    Justification = '误判：-Recreate 是在遍历 VHDX 的 scriptblock 里用的，静态分析看不到那层使用。')]
 param(
     [ValidateSet('all', 'disk', 'vm', 'provision')][string]$Stage = 'all',
     [switch]$Recreate,
diff --git a/tools/lab/payload/run-acl-scenario.ps1 b/tools/lab/payload/run-acl-scenario.ps1
index 69f427b..e839db7 100644
--- a/tools/lab/payload/run-acl-scenario.ps1
+++ b/tools/lab/payload/run-acl-scenario.ps1
@@ -24,6 +24,8 @@
     参数只传字符串，数组用 ';' 拼 —— 与 run-drill.ps1 同一套约定。
 #>
 [CmdletBinding()]
+[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSAvoidUsingInvokeExpression', '',
+    Justification = 'Scoop 官方的安装方式就是 irm | iex 那种一行式；实验脚本照抄官方写法比自己包一层更不容易出错。')]
 param(
     [string]$RepoPath = 'C:\BakNRet',
     [string]$WorkRoot = 'C:\BakNRet-Lab\acl',
@@ -137,7 +139,7 @@ function Invoke-BakNRetChild {
     }
 }
 
-function Stop-VscodeProcesses {
+function Stop-VscodeProcess {
     <#
     .SYNOPSIS
         把 vscode 相关进程清掉。
@@ -159,7 +161,7 @@ function Stop-VscodeProcesses {
                     Stop-Process -Id $process.Id -Force -ErrorAction SilentlyContinue
                 }
             }
-            catch { }
+            catch { $null = $_ }
         }
     }
     Start-Sleep -Milliseconds 700
@@ -412,7 +414,7 @@ Test-Scenario '每个条目都写了 .acl.json' (@(Get-ChildItem -LiteralPath $B
 # 删源 → 恢复
 # ---------------------------------------------------------------------------
 foreach ($path in $entries) {
-    if ($path -ieq $vscodeApp) { Stop-VscodeProcesses -AppRoot $vscodeApp }
+    if ($path -ieq $vscodeApp) { Stop-VscodeProcess -AppRoot $vscodeApp }
     Remove-TreeHard -Path $path
 }
 $leftovers = @($entries | Where-Object { Test-Path -LiteralPath $_ })
diff --git a/tools/lab/payload/sandbox/BackupConfig.psd1 b/tools/lab/payload/sandbox/BackupConfig.psd1
index 1de10c8..a118a23 100644
--- a/tools/lab/payload/sandbox/BackupConfig.psd1
+++ b/tools/lab/payload/sandbox/BackupConfig.psd1
@@ -13,7 +13,6 @@
     # 不是按本配置文件所在目录；而且路径不存在时会**静默回退**到仓库真实的
     # SoftwareCatalog.psd1。沙盒必须写成仓库根相对路径，否则软件名条目会悄悄用错名录。
     SoftwareCatalog  = 'tools\lab\payload\sandbox\SoftwareCatalog.psd1'
-    CatalogMaxDepth  = 5
     MinFreeSpaceGB   = 0
     VerifyArchive    = $true
     ComputeHash      = $true