feat/chores: Serialization Behaviour, CI Improvements

.githooks/post-rewrite

@@ -1,18 +1,20 @@
 #!/usr/bin/env sh
-# ============================================================================
-# POST-REWRITE HOOK: Invalidate caches after history rewrite
-# ============================================================================
-# Triggered by: git rebase, git commit --amend, git filter-branch
-# Purpose: Clear the license year cache since git log dates may have changed.
-# ============================================================================
+set -eu
 
-REPO_ROOT=$(git rev-parse --show-toplevel 2>/dev/null)
-if [ -z "$REPO_ROOT" ]; then
-  exit 0
+hook_name="post-rewrite"
+hook_impl="$hook_name.ps1"
+hook_dir="$(CDPATH= cd "$(dirname "$0")" && pwd -P)"
+hook_script="$hook_dir/$hook_impl"
+
+if [ ! -f "$hook_script" ]; then
+    repo_root="$(git rev-parse --show-toplevel 2>/dev/null || true)"
+    if [ -n "$repo_root" ] && [ -f "$repo_root/.githooks/$hook_impl" ]; then
+        hook_script="$repo_root/.githooks/$hook_impl"
+    fi
 fi
 
-CACHE_FILE="$REPO_ROOT/.git/license-year-cache"
-if [ -f "$CACHE_FILE" ]; then
-  rm -f "$CACHE_FILE"
-  echo "License year cache invalidated (history rewritten)."
+if [ ! -f "$hook_script" ] || ! command -v pwsh >/dev/null 2>&1; then
+    exit 0
 fi
+
+exec pwsh -NoProfile -File "$hook_script" "$@"

.githooks/post-rewrite.ps1

@@ -0,0 +1,26 @@
+#!/usr/bin/env pwsh
+Set-StrictMode -Version Latest
+$ErrorActionPreference = 'Stop'
+
+$repoRoot = (& git rev-parse --show-toplevel 2>$null)
+if ($LASTEXITCODE -ne 0 -or [string]::IsNullOrWhiteSpace($repoRoot)) {
+    exit 0
+}
+
+$repoRoot = ([string]$repoRoot).Trim()
+$cachePath = (& git -C $repoRoot rev-parse --git-path license-year-cache 2>$null)
+if ($LASTEXITCODE -ne 0 -or [string]::IsNullOrWhiteSpace($cachePath)) {
+    exit 0
+}
+
+$cachePath = ([string]$cachePath).Trim()
+if (-not [System.IO.Path]::IsPathRooted($cachePath)) {
+    $cachePath = Join-Path $repoRoot $cachePath
+}
+
+if (Test-Path -LiteralPath $cachePath -PathType Leaf) {
+    Remove-Item -LiteralPath $cachePath -Force
+    Write-Host 'License year cache invalidated (history rewritten).'
+}
+
+exit 0