feat(pkg): 匯入 jsc-pkg 技能組

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

tools/list-packages.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env sh
+# list-packages.sh — 列出專案的所有外部套件與目前版本。
+# 用法: list-packages.sh [專案目錄]（預設目前目錄）
+# 輸出（TSV）: ecosystem<TAB>name<TAB>current
+# 支援: nodejs（package.json）、python（requirements.txt / pyproject.toml）、dotnet（*.csproj）
+set -u
+DIR="${1:-.}"
+
+# nodejs: package.json 的 dependencies / devDependencies
+if [ -f "$DIR/package.json" ]; then
+  python3 - "$DIR/package.json" <<'EOF'
+import json,sys
+d=json.load(open(sys.argv[1],encoding="utf-8"))
+for k in ("dependencies","devDependencies"):
+    for name,ver in (d.get(k) or {}).items():
+        print(f"nodejs\t{name}\t{ver}")
+EOF
+fi
+
+# python: requirements.txt
+if [ -f "$DIR/requirements.txt" ]; then
+  python3 - "$DIR/requirements.txt" <<'EOF'
+import re,sys
+for line in open(sys.argv[1],encoding="utf-8"):
+    line=line.split("#")[0].strip()
+    if not line or line.startswith("-"): continue
+    m=re.match(r"([A-Za-z0-9_.\-\[\]]+)\s*(?:(?:==|>=|<=|~=|!=|>|<)\s*([^,;\s]+))?",line)
+    if m: print(f"python\t{m.group(1)}\t{m.group(2) or ''}")
+EOF
+fi
+
+# python: pyproject.toml 的 [project] dependencies
+if [ -f "$DIR/pyproject.toml" ]; then
+  python3 - "$DIR/pyproject.toml" <<'EOF'
+import re,sys
+try:
+    import tomllib
+    d=tomllib.load(open(sys.argv[1],"rb"))
+except Exception:
+    sys.exit(0)
+deps=(d.get("project") or {}).get("dependencies") or []
+for dep in deps:
+    m=re.match(r"([A-Za-z0-9_.\-\[\]]+)\s*(?:(?:==|>=|<=|~=|!=|>|<)\s*([^,;\s]+))?",dep)
+    if m: print(f"python\t{m.group(1)}\t{m.group(2) or ''}")
+EOF
+fi
+
+# dotnet: *.csproj 的 PackageReference
+find "$DIR" -maxdepth 3 -name '*.csproj' 2>/dev/null | while IFS= read -r proj; do
+  python3 - "$proj" <<'EOF'
+import re,sys
+text=open(sys.argv[1],encoding="utf-8").read()
+for tag in re.findall(r"<PackageReference\b[^>]*>",text):
+    inc=re.search(r'Include="([^"]+)"',tag)
+    ver=re.search(r'Version="([^"]+)"',tag)
+    if inc: print(f"dotnet\t{inc.group(1)}\t{ver.group(1) if ver else ''}")
+EOF
+done
+exit 0