feat: list_packs/install_pack handler+/skills限前20个

pipeline_service/agent_loop_v2.py

@@ -684,6 +684,8 @@ class AgentExecutor:
             # ── 通用工具集（Hermes CLI 能力子集）──
             "read_file": self._t_read_file,
             "load_skill": self._t_load_skill,
+            "list_packs": self._t_list_packs,
+            "install_pack": self._t_install_pack,
             "write_file": self._t_write_file,
             "list_files": self._t_list_files,
             "search_files": self._t_search_files,
@@ -868,6 +870,37 @@ class AgentExecutor:
             return f"FAIL: 技能 '{name}' 不存在。可用技能: {names}"
         return merged[name].to_prompt_block()
 
+    async def _t_list_packs(self, sor, p, pid):
+        try:
+            from pipeline_core.skill_pack import list_packs
+            packs = list_packs()
+            if not packs:
+                return "（无可安装的技能集）"
+            lines = ["可安装的技能集:"]
+            for pk in packs:
+                lines.append(f"  - {pk['name']}: {pk.get('title', '')}（{pk.get('skill_count', 0)} 个技能）")
+            return "\n".join(lines)
+        except Exception as e:
+            return f"ERROR: {str(e)[:300]}"
+
+    async def _t_install_pack(self, sor, p, pid):
+        pack = (p.get("pack") or "").strip()
+        if not pack:
+            return "FAIL: 需要技能集名（先用 list_packs 查看可用的技能集名）"
+        try:
+            from pipeline_core.skill_pack import install_pack
+            base_dir = self._skill_loader.base_dir if self._skill_loader else ""
+            org_id = self.org_id or "0"
+            r = install_pack(pack, base_dir, org_id)
+            if r.get("success"):
+                if self._skill_loader:
+                    self._skill_loader.reload()
+                installed = r.get("installed", [])
+                return f"OK: 已安装技能集 {pack}（{len(installed)} 个技能）"
+            return f"FAIL: {r.get('error', '未知错误')}"
+        except Exception as e:
+            return f"ERROR: {str(e)[:300]}"
+
     async def _t_write_file(self, sor, p, pid):
         path = p.get("path", "")
         content = p.get("content", "")

pipeline_service/slash_commands.py

@@ -75,8 +75,10 @@ async def _h_skills(args, ctx):
     )
     if not merged:
         return "暂无可用技能"
-    lines = ["可用技能:"]
-    for name, s in merged.items():
+    # 限数量：只列前 20 个（按 scope + 名字排序），提示总数，避免 216 个全倒出来
+    items = sorted(merged.items(), key=lambda kv: (kv[1].scope, kv[0]))
+    lines = [f"可用技能（共 {len(items)} 个，仅列前 20，按需用 load_skill 加载正文）:"]
+    for name, s in items[:20]:
         lines.append(f"  - [{s.scope}] {name} — {s.description[:100]}")
     return "\n".join(lines)