ask-add-agent（询问添加 Agent）

<critical_constraints> ❌ NO adapters without BaseAdapter inheritance ❌ NO skipping filesystem.py registration ❌ NO skipping copy.py registration ✅ MUST create agents//adapter.py ✅ MUST update SUPPORTED_AGENTS and AGENT_SCOPES ✅ MUST test with ask copy <agent> --skill bug-finder </critical_constraints>

<adapter_template>

from pathlib import Path
from typing import Dict
from agents.base import BaseAdapter
from ask.utils.skill_registry import get_skill_readme

class ExampleAdapter(BaseAdapter):
    def __init__(self, use_global: bool = False):
        if use_global:
            self.target_dir = Path.home() / ".example" / "skills"
        else:
            self.target_dir = Path.cwd() / ".example" / "skills"

    def get_target_path(self, skill: Dict, name: str = None) -> Path:
        skill_name = name or skill.get("name", "unknown")
        return self.target_dir / skill_name / "SKILL.md"

    def transform(self, skill: Dict) -> str:
        return f"---\nname: {skill['name']}\n---\n\n{get_skill_readme(skill)}"

</adapter_template>

<filesystem_registration>

def _get_example_adapter(use_global: bool):
    from agents.example.adapter import ExampleAdapter
    return ExampleAdapter(use_global=use_global)

</filesystem_registration>