remove: drop Boss直聘 channel (non-functional) (#135)

Boss直聘 channel removed entirely — upstream mcp-bosszp
triggers account-level bans, making it unusable in practice.

Removed from: channel registry, README (CN/EN), install.md,
SKILL.md, tests, credits.

Co-authored-by: Panniantong <panniantong@users.noreply.github.com>

agent_reach/channels/__init__.py

@@ -18,7 +18,6 @@ from .exa_search import ExaSearchChannel
 from .xiaohongshu import XiaoHongShuChannel
 from .douyin import DouyinChannel
 from .linkedin import LinkedInChannel
-from .bosszhipin import BossZhipinChannel
 from .wechat import WeChatChannel
 from .weibo import WeiboChannel
 from .xiaoyuzhou import XiaoyuzhouChannel
@@ -34,7 +33,6 @@ ALL_CHANNELS: List[Channel] = [
     XiaoHongShuChannel(),
     DouyinChannel(),
     LinkedInChannel(),
-    BossZhipinChannel(),
     WeChatChannel(),
     WeiboChannel(),
     XiaoyuzhouChannel(),

agent_reach/channels/bosszhipin.py

@@ -1,63 +0,0 @@
-# -*- coding: utf-8 -*-
-"""Boss直聘 — check if mcp-bosszp is available."""
-
-import shutil
-import subprocess
-from .base import Channel
-
-
-class BossZhipinChannel(Channel):
-    name = "bosszhipin"
-    description = "Boss直聘职位搜索"
-    backends = ["mcp-bosszp", "Jina Reader"]
-    tier = 2
-
-    def can_handle(self, url: str) -> bool:
-        from urllib.parse import urlparse
-        domain = urlparse(url).netloc.lower()
-        return "zhipin.com" in domain or "boss.com" in domain
-
-    def check(self, config=None):
-        mcporter = shutil.which("mcporter")
-        if not mcporter:
-            return "off", (
-                "可通过 Jina Reader 读取职位页面。完整功能需要：\n"
-                "  1. git clone https://github.com/mucsbr/mcp-bosszp.git\n"
-                "  2. cd mcp-bosszp && pip install -r requirements.txt && playwright install chromium\n"
-                "  3. python boss_zhipin_fastmcp_v2.py（启动后扫码登录）\n"
-                "  4. mcporter config add bosszhipin http://localhost:8000/mcp"
-            )
-        try:
-            r = subprocess.run(
-                [mcporter, "config", "get", "bosszhipin", "--json"],
-                capture_output=True,
-                encoding="utf-8",
-                errors="replace",
-                timeout=5,
-            )
-            if r.returncode != 0 or "bosszhipin" not in r.stdout.lower():
-                return "off", (
-                    "mcporter 已装但 Boss直聘 MCP 未配置。\n"
-                    "  详见 https://github.com/mucsbr/mcp-bosszp"
-                )
-        except Exception:
-            return "off", "mcporter 连接异常"
-
-        try:
-            r = subprocess.run(
-                [mcporter, "call", "bosszhipin.get_login_info_tool", "--output", "json"],
-                capture_output=True,
-                encoding="utf-8",
-                errors="replace",
-                timeout=10,
-            )
-            out = r.stdout.lower()
-            if r.returncode == 0 and "\"is_logged_in\": true" in out:
-                return "ok", "完整可用（职位搜索、登录态检查、向 HR 打招呼）"
-            if r.returncode == 0:
-                return "ok", "MCP 已连接，可搜索职位；打招呼前可能需要先登录"
-            return "warn", "MCP 已配置，但连接异常；请检查 mcp-bosszp 服务状态"
-        except subprocess.TimeoutExpired:
-            return "warn", "MCP 已配置，但健康检查超时；请检查 mcp-bosszp 服务状态"
-        except Exception:
-            return "warn", "MCP 已配置，但连接异常；请检查 mcp-bosszp 服务状态"