feat(skill): zentao-bug 新增 resolve 命令，支持在禅道解决 Bug

- resolve <id...>：等同网页「解决」表单，默认解决方案 fixed、解决版本 trunk（主干），
  支持 --dry-run 预览；只处理激活状态，提交后回读校验
- 接口提交不会自动补默认值：解决日期与指派给先从解决表单 HTML 读取默认值
  （服务器北京时间 / 创建人）再原样提交，避免用本机时区时间
- SKILL.md 补写回说明，并注明 login 需在独立终端执行（! 前缀无 TTY）

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.claude/skills/zentao-bug/zentao.py

@@ -173,6 +173,27 @@ class Client:
                 self._relogin()
         raise AuthError("无法获取数据")
 
+    def post_form(self, path, fields):
+        """提交页面表单（与网页点击「保存」相同）；返回响应 HTML（禅道用 <script>alert/parent 跳转回执）。"""
+        body = urllib.parse.urlencode(fields).encode()
+        for _ in range(2):
+            req = urllib.request.Request(self.url + path, data=body, headers={
+                "Cookie": f"zentaosid={self.cfg['token']}", "Token": self.cfg["token"],
+                "Content-Type": "application/x-www-form-urlencoded",
+                "Referer": self.url + path,
+            })
+            try:
+                with urllib.request.urlopen(req, timeout=60) as resp:
+                    text = resp.read().decode("utf-8", "replace")
+            except urllib.error.HTTPError as e:
+                if e.code != 401:
+                    raise
+                text = "user-login"
+            if "user-login" not in text:
+                return text
+            self._relogin()
+        raise AuthError("无法提交表单")
+
     def download(self, path, dest):
         for _ in range(2):
             try:
@@ -490,6 +511,64 @@ def cmd_view(args):
         print(f"（已保存到 {out_dir / 'bug.md'}，图片 {len(fetcher.files)} 张）")
 
 
+def form_defaults(client, bug_id):
+    """读取网页「解决」表单渲染出的默认值：解决日期（服务器时间，北京时间）与指派给（禅道默认选中创建人）。
+    接口提交不会自动补默认值，必须先取表单再原样带上；不能用本机时间，本机可能在其他时区。"""
+    with client._open(f"/bug-resolve-{bug_id}.html?onlybody=yes") as resp:
+        page = resp.read().decode("utf-8", "replace")
+    date = re.search(r"name='resolvedDate'[^>]*value='([^']+)'", page)
+    select = re.search(r"<select name='assignedTo'.*?</select>", page, re.S)
+    assigned = select and re.search(r"<option value='([^']*)' selected", select.group(0))
+    if not date or not assigned or not assigned.group(1):
+        die(f"#{bug_id} 未能从解决表单读取默认的解决日期 / 指派给，可用 --date / --assign-to 指定")
+    return date.group(1), assigned.group(1)
+
+
+def cmd_resolve(args):
+    """解决 Bug：等同网页「解决」表单。默认解决方案=已解决、解决版本=主干(trunk)、
+    解决日期与指派给取网页表单默认值（服务器时间 / 创建人）；只处理激活状态的单子，提交后回读校验。"""
+    client = Client(load_config())
+    failed = 0
+    for bug_id in args.ids:
+        form = client.page(f"/bug-resolve-{bug_id}.json")
+        bug = (form or {}).get("bug")
+        if not bug:
+            print(f"#{bug_id} 跳过：不存在或无权查看")
+            failed += 1
+            continue
+        title = html.unescape(bug["title"])
+        if bug["status"] != "active":
+            print(f"#{bug_id} 跳过：当前状态为「{STATUS.get(bug['status'], bug['status'])}」，只解决激活的 Bug（{title}）")
+            continue
+        builds = form.get("builds") or {}
+        if args.build not in builds:
+            die(f"解决版本 {args.build} 不在可选列表中：{', '.join(k for k in builds if k)}")
+        default_date, default_assigned = form_defaults(client, bug_id)
+        assigned = args.assign_to or default_assigned
+        fields = {
+            "resolution": args.resolution, "duplicateBug": "", "buildExecution": "",
+            "resolvedBuild": args.build, "buildName": "",
+            "resolvedDate": args.date or default_date,
+            "assignedTo": assigned, "status": "resolved", "comment": args.comment or "",
+        }
+        desc = (f"#{bug_id} {title} → {RESOLUTIONS.get(args.resolution, args.resolution)}，"
+                f"版本 {builds[args.build]}，指派给 {(form.get('users') or {}).get(assigned, assigned)}")
+        if args.dry_run:
+            print(f"[dry-run] {desc}")
+            continue
+        resp = client.post_form(f"/bug-resolve-{bug_id}.html?onlybody=yes", fields)
+        after = client.page(f"/bug-view-{bug_id}.json").get("bug") or {}
+        if after.get("status") == "resolved":
+            print(f"已解决 {desc}")
+        else:
+            alerts = re.findall(r"alert\((['\"])(.*?)\1\)", resp)
+            print(f"#{bug_id} 失败：提交后状态仍为 {after.get('status')}"
+                  + (f"，禅道提示：{'; '.join(html.unescape(a[1]) for a in alerts)}" if alerts else ""))
+            failed += 1
+    if failed:
+        sys.exit(1)
+
+
 def main():
     ap = argparse.ArgumentParser(description="禅道 18.x Bug 读取工具")
     sub = ap.add_subparsers(dest="cmd", required=True)
@@ -515,6 +594,16 @@ def main():
     p.add_argument("--json", action="store_true")
     p.set_defaults(func=cmd_view)
 
+    p = sub.add_parser("resolve", help="解决 Bug（写操作，会改动禅道线上状态）")
+    p.add_argument("ids", type=int, nargs="+")
+    p.add_argument("--resolution", choices=tuple(RESOLUTIONS), default="fixed", help="默认 fixed（已解决）")
+    p.add_argument("--build", default="trunk", help="解决版本，默认 trunk（主干）")
+    p.add_argument("--assign-to", help="指派给（账号），默认取表单默认值（即创建人）")
+    p.add_argument("--date", help="解决日期 YYYY-MM-DD HH:MM:SS，默认取服务器当前时间")
+    p.add_argument("--comment", default="", help="备注，默认留空")
+    p.add_argument("--dry-run", action="store_true", help="只打印将要做的修改，不提交")
+    p.set_defaults(func=cmd_resolve)
+
     args = ap.parse_args()
     try:
         args.func(args)