test(skills): verify reduced catalog handling

scripts/tests/test-shell-packages.ps1

@@ -48,6 +48,7 @@ foreach ($shell in @('powershell','bash')) {
         if ($client -eq 'claude' -and (Get-Content (Join-Path $package 'agents/reviewer.md') -Raw) -notmatch "(?m)^tools: Read,Grep,Glob,$expectedReviewerShellTool\r?`$") { throw "Reviewer capability profile is missing in $package" }
         $expectedSkillCount = if ($client -eq 'claude') { $sourceSkillCount + $ruleSkillCount } else { $sourceSkillCount }
         if (@(Get-ChildItem "$package/skills" -Filter SKILL.md -Recurse).Count -ne $expectedSkillCount) { throw "Missing skills in $package" }
+        if (-not (Test-Path "$package/skills/debugging/SKILL.md") -or -not (Test-Path "$package/skills/copywriting/SKILL.md") -or -not (Test-Path "$package/skills/marketing-psychology/SKILL.md") -or -not (Test-Path "$package/skills/image/SKILL.md") -or (Test-Path "$package/skills/marketing-plan/SKILL.md") -or (Test-Path "$package/skills/social/SKILL.md")) { throw "Incorrect skill catalog in $package" }
         $expected = if ($shell -eq 'powershell') { '__POWERSHELL_COMMAND__ .*flashbang.ps1' } else { 'bash .*flashbang.sh' }
         if ($content -notmatch $expected -or $content -match '__HOOK_|__POWERSHELL_HOOK_') { throw "Incorrect shell command in $package" }
         if ($shell -eq 'powershell' -and $content -match 'WindowStyle\s+Hidden') { throw "PowerShell hook hides the terminal in $package" }