feat: add release workflow, packaging script, usage docs and acceptance checklist

packaging/macos/Info.plist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleName</key>
+    <string>YKanBan</string>
+    <key>CFBundleDisplayName</key>
+    <string>YKanBan</string>
+    <key>CFBundleIdentifier</key>
+    <string>cn.blumia.code.yyc12345.ykanban</string>
+    <key>CFBundleExecutable</key>
+    <string>YKanBan</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleShortVersionString</key>
+    <string>@VERSION@</string>
+    <key>CFBundleVersion</key>
+    <string>@VERSION@</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>NSHighResolutionCapable</key>
+    <true/>
+</dict>
+</plist>

packaging/package.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+# Packs one published RID into a release archive.
+#
+#   packaging/package.sh <rid> <publish-dir> <output-dir> <version>
+#
+# win-x64   -> YKanBan-<version>-win-x64.zip     (folder YKanBan-<version>-win-x64/)
+# linux-x64 -> YKanBan-<version>-linux-x64.tar.gz (folder YKanBan-<version>-linux-x64/)
+# osx-*     -> YKanBan-<version>-<rid>.tar.gz     (YKanBan.app bundle, ad-hoc signed when codesign exists)
+#
+# tar.gz keeps the executable bit, which a plain zip artifact upload would lose.
+set -euo pipefail
+
+if [ "$#" -ne 4 ]; then
+  echo "usage: $0 <rid> <publish-dir> <output-dir> <version>" >&2
+  exit 2
+fi
+
+rid="$1"
+publish_dir="$(cd "$2" && pwd)"
+mkdir -p "$3"
+output_dir="$(cd "$3" && pwd)"
+version="$4"
+script_dir="$(cd "$(dirname "$0")" && pwd)"
+name="YKanBan-${version}-${rid}"
+staging="$(mktemp -d)"
+trap 'rm -rf "$staging"' EXIT
+
+case "$rid" in
+  win-*)
+    cp -R "$publish_dir" "$staging/$name"
+    # Compress-Archive is available on every Windows host, unlike zip.
+    powershell -NoProfile -Command \
+      "Compress-Archive -Path '$(cygpath -w "$staging/$name" 2>/dev/null || echo "$staging/$name")' -DestinationPath '$(cygpath -w "$output_dir/$name.zip" 2>/dev/null || echo "$output_dir/$name.zip")' -Force"
+    ;;
+  linux-*)
+    cp -R "$publish_dir" "$staging/$name"
+    chmod +x "$staging/$name/YKanBan"
+    tar -C "$staging" -czf "$output_dir/$name.tar.gz" "$name"
+    ;;
+  osx-*)
+    app="$staging/YKanBan.app"
+    mkdir -p "$app/Contents/MacOS"
+    cp -R "$publish_dir/." "$app/Contents/MacOS/"
+    chmod +x "$app/Contents/MacOS/YKanBan"
+    sed "s/@VERSION@/${version}/g" "$script_dir/macos/Info.plist" > "$app/Contents/Info.plist"
+    if command -v codesign > /dev/null 2>&1; then
+      # Ad-hoc signature: unsigned arm64 code does not run at all.
+      codesign --force --deep --sign - "$app"
+    fi
+    tar -C "$staging" -czf "$output_dir/$name.tar.gz" YKanBan.app
+    ;;
+  *)
+    echo "unsupported RID: $rid" >&2
+    exit 2
+    ;;
+esac
+
+echo "packed $rid -> $output_dir"