diff --git a/scripts/test-platform-packages.ps1 b/scripts/test-platform-packages.ps1
index e5e2186..67e9beb 100644
--- a/scripts/test-platform-packages.ps1
+++ b/scripts/test-platform-packages.ps1
@@ -1,4 +1,6 @@
-$ErrorActionPreference = 'Stop'
+[CmdletBinding()]
+param([switch]$Summary)
+$ErrorActionPreference = 'Stop'
 $root = Split-Path $PSScriptRoot -Parent
 $powerShellHook = Get-Content -LiteralPath (Join-Path $root 'shared/hooks/flashbang.ps1') -Raw
 $bashHook = Get-Content -LiteralPath (Join-Path $root 'shared/hooks/flashbang.sh') -Raw
@@ -6,10 +8,11 @@ if ($powerShellHook -notmatch '\$HoldMs\s*=\s*250' -or $powerShellHook -notmatch
 $statusInput = '{"model":{"display_name":"Test Model"},"effort":{"level":"high"},"workspace":{"current_dir":"' + $root.Replace('\','\\') + '","repo":{"name":"TestRepo"}},"context_window":{"context_window_size":200000,"used_percentage":8.5,"total_input_tokens":15500,"total_output_tokens":1200}}'
 $branch = & git -C $root branch --show-current
 $buildSummaryOutput = & (Join-Path $root 'scripts/build.ps1') -Summary
-if (@($buildSummaryOutput | Where-Object { $_ -eq 'PASS build: codex-windows, claude-windows, codex-linux, claude-linux' }).Count -ne 1) { throw "build.ps1 -Summary must still print the PASS line: $($buildSummaryOutput -join '; ')" }
+if (@($buildSummaryOutput | Where-Object { $_ -eq 'Build: PASS | 4 packages' }).Count -ne 1) { throw "build.ps1 -Summary must still print the PASS line: $($buildSummaryOutput -join '; ')" }
 $statusOutput = ($statusInput | & (Join-Path $root 'shared/statusline/statusline.ps1')) -join "`n"
 $plainStatusOutput = [regex]::Replace($statusOutput, [char]27 + '\[[0-9;]*m', '')
 $expectedStatusOutput = "Test Model $([char]0x00B7) high`nTestRepo on $branch  $([char]0x00B7)  9% ctx (16.7k tok)"
+if ($buildSummaryOutput.Count -ne 1) { throw 'Build summary must contain only one success line.' }
 if ($plainStatusOutput -ne $expectedStatusOutput) { throw 'PowerShell status line output is incorrect.' }
 $sourceAgentCount = @(Get-ChildItem (Join-Path $root 'shared/agents') -Directory).Count
 $sourceSkillCount = @(Get-ChildItem (Join-Path $root 'shared/skills') -Filter 'SKILL.md' -Recurse).Count
@@ -42,6 +45,7 @@ foreach ($platform in @('windows','linux')) {
         $docContent = Get-Content -LiteralPath (Join-Path $package $docFile) -Raw
         if (([regex]::Matches($docContent, [regex]::Escape('Apply instructions in this order'))).Count -ne 1) { throw "$client-$platform must embed the priority rule exactly once" }
         if ($client -eq 'codex' -and $docContent -match 'Always load and apply `rules/general\.md`') { throw "$package must not still instruct loading general.md by path" }
+        if ($client -eq 'claude' -and (Test-Path (Join-Path $package 'rules/general.md'))) { throw 'Claude must not automatically load a second copy of general rules.' }
         foreach ($splitRule in @('angular','wpf','ui-ux')) {
             $referencesDir = if ($client -eq 'codex') { Join-Path $package "rules/$splitRule/references" } else { Join-Path $package "skills/rules/rules-$splitRule/references" }
             if (-not (Test-Path $referencesDir) -or (Get-ChildItem $referencesDir -Filter '*.md').Count -eq 0) { throw "$package is missing reference files for $splitRule" }
@@ -54,7 +58,7 @@ foreach ($platformSelection in @('1','2')) {
         $script:answers.Enqueue($platformSelection)
         $script:answers.Enqueue($clientSelection)
         function Read-Host { param($Prompt) $answers.Dequeue() }
-        $output = & "$PSScriptRoot/install.ps1" -DryRun
+        $output = & "$PSScriptRoot/install.ps1" -DryRun 6>$null
         if ($output -notcontains 'PASS install dry-run') { throw 'Dry-run did not finish.' }
         $platform = if ($platformSelection -eq '1') { 'windows' } else { 'linux' }
         if (($output -join "`n") -notmatch "-$platform") { throw 'Incorrect selected package.' }
@@ -63,6 +67,12 @@ foreach ($platformSelection in @('1','2')) {
 $doctorSummaryOutput = & (Join-Path $root 'scripts/doctor.ps1') -Summary
 if (@($doctorSummaryOutput | Where-Object { $_ -match '^PASS ' }).Count -ne 0) { throw 'Doctor summary mode must not print individual PASS lines.' }
 if (@($doctorSummaryOutput | Where-Object { $_ -match '^Doctor: PASS \| \d+ checks$' }).Count -ne 1) { throw "Doctor summary mode must print one 'Doctor: PASS | N checks' line: $($doctorSummaryOutput -join '; ')" }
-Write-Output 'PASS four platform packages and six PowerShell selections'
+foreach ($entryPoint in @('install','update')) {
+    $preview = @(& "$PSScriptRoot/$entryPoint.ps1" -Summary -DryRun -Client Both -Platform Windows)
+    if ($preview -match '^(SOURCE|CREATE|UPDATE|UNCHANGED|BACKUP|DRYRUN|PASS) ') { throw "$entryPoint summary leaked per-item output." }
+    if (@($preview | Where-Object { $_ -match ('^' + $entryPoint + ': PASS') }).Count -ne 1) { throw "$entryPoint summary is missing." }
+}
+$doctorSummaryOutput | Where-Object { $_ -match '^WARN ' }
+if ($Summary) { Write-Output 'Tests: PASS | platform packages' } else { Write-Output 'PASS four platform packages and six PowerShell selections' }
 exit 0
 
diff --git a/scripts/test-platform-packages.sh b/scripts/test-platform-packages.sh
index 295fa24..f070ce5 100755
--- a/scripts/test-platform-packages.sh
+++ b/scripts/test-platform-packages.sh
@@ -1,15 +1,23 @@
 #!/usr/bin/env bash
 set -euo pipefail
+summary=false
+while [ $# -gt 0 ]; do
+  case "$1" in
+    --summary) summary=true; shift ;;
+    *) printf 'Unknown argument: %s\n' "$1" >&2; exit 1 ;;
+  esac
+done
 root=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)
 grep -Eq '\$HoldMs[[:space:]]*=[[:space:]]*250' "$root/shared/hooks/flashbang.ps1"
 grep -Eq '\$FadeMs[[:space:]]*=[[:space:]]*250' "$root/shared/hooks/flashbang.ps1"
 [ "$(grep -c 'default=250' "$root/shared/hooks/flashbang.sh")" -ge 2 ]
 branch=$(git -C "$root" branch --show-current)
 build_summary_output=$(bash "$root/scripts/build.sh" --summary)
-if ! printf '%s\n' "$build_summary_output" | grep -qx 'PASS build: codex-windows, claude-windows, codex-linux, claude-linux'; then
+if ! printf '%s\n' "$build_summary_output" | grep -qx 'Build: PASS | 4 packages'; then
   printf 'build.sh --summary must still print the PASS line: %s\n' "$build_summary_output" >&2
   exit 1
 fi
+[ "$build_summary_output" = 'Build: PASS | 4 packages' ]
 status_output=$(printf '{"model":{"display_name":"Test Model"},"effort":{"level":"high"},"workspace":{"current_dir":"%s","repo":{"name":"TestRepo"}},"context_window":{"context_window_size":200000,"used_percentage":8.5,"total_input_tokens":15500,"total_output_tokens":1200}}' "$root" | bash "$root/shared/statusline/statusline.sh")
 plain_status_output=$(printf '%s' "$status_output" | sed -E $'s/\x1b\\[[0-9;]*m//g')
 expected_status_output=$'Test Model \xc2\xb7 high\nTestRepo on '"$branch"$'  \xc2\xb7  9% ctx (16.7k tok)'
@@ -59,6 +67,10 @@ for platform in windows linux; do
       printf '%s must not still instruct loading general.md by path\n' "$package" >&2
       exit 1
     fi
+    if [ "$client" = claude ] && [ -f "$package/rules/general.md" ]; then
+      printf 'Claude must not automatically load a second copy of general rules.\n' >&2
+      exit 1
+    fi
     for split_rule in angular wpf ui-ux; do
       if [ "$client" = codex ]; then
         references_dir="$package/rules/$split_rule/references"
@@ -74,7 +86,8 @@ for platform in windows linux; do
 done
 for platform_selection in 1 2; do
   for client_selection in 1 2 3; do
-    output=$(printf '%s\n%s\n' "$platform_selection" "$client_selection" | bash "$root/scripts/install.sh" --dry-run)
+    output=$(printf '%s\n%s\n' "$platform_selection" "$client_selection" | bash "$root/scripts/install.sh" --dry-run 2>&1) || { printf '%s\n' "$output" >&2; exit 1; }
+    printf '%s\n' "$output" | grep -E 'WARN|FAIL|WARNING|ERROR' || true
     [[ "$output" == *'PASS install dry-run'* ]]
     platform=windows
     [ "$platform_selection" != 2 ] || platform=linux
@@ -90,5 +103,14 @@ if ! printf '%s\n' "$doctor_summary_output" | grep -Eq '^Doctor: PASS \| [0-9]+
   printf "Doctor summary mode must print one 'Doctor: PASS | N checks' line: %s\n" "$doctor_summary_output" >&2
   exit 1
 fi
-printf 'PASS four platform packages and six Bash selections\n'
+for entry_point in install update; do
+  preview=$(bash "$root/scripts/$entry_point.sh" --summary --dry-run --client both --platform linux)
+  if printf '%s\n' "$preview" | grep -Eq '^(SOURCE|CREATE|UPDATE|UNCHANGED|BACKUP|DRYRUN|PASS) '; then
+    printf '%s summary leaked per-item output.\n' "$entry_point" >&2
+    exit 1
+  fi
+  printf '%s\n' "$preview" | grep -Eiq "^$entry_point: PASS"
+done
+printf '%s\n' "$doctor_summary_output" | grep '^WARN ' || true
+if [ "$summary" = true ]; then printf 'Tests: PASS | platform packages\n'; else printf 'PASS four platform packages and six Bash selections\n'; fi