feat: Refactor agent-reach doctor UI with Rich markup for better visualization (#170)

* feat: use rich text formatting for doctor UI

* fix: remove unrelated cli formatting changes

* fix: keep cli diff focused on doctor rich output

---------

Co-authored-by: Yuki9814 <Yuki9814@users.noreply.github.com>

agent_reach/doctor.py

@@ -25,66 +25,78 @@ def check_all(config: Config) -> Dict[str, dict]:
 
 
 def format_report(results: Dict[str, dict]) -> str:
-    """Format results as a readable text report."""
+    """Format results as a readable text report (with Rich markup)."""
+    try:
+        from rich.markup import escape
+    except ImportError:
+        escape = lambda x: x
+
     lines = []
-    lines.append("Agent Reach 状态")
-    lines.append("=" * 40)
+    lines.append("[bold cyan]Agent Reach 状态[/bold cyan]")
+    lines.append("[cyan]" + "=" * 40 + "[/cyan]")
 
     ok_count = sum(1 for r in results.values() if r["status"] == "ok")
     total = len(results)
 
     # Tier 0 — zero config
     lines.append("")
-    lines.append("✅ 装好即用：")
+    lines.append("[bold]✅ 装好即用：[/bold]")
     for key, r in results.items():
         if r["tier"] == 0:
+            name_msg = f"[bold]{escape(r['name'])}[/bold] — {escape(r['message'])}"
             if r["status"] == "ok":
-                lines.append(f"  ✅ {r['name']} — {r['message']}")
+                lines.append(f"  [green]✅[/green] {name_msg}")
             elif r["status"] == "warn":
-                lines.append(f"  [!]  {r['name']} — {r['message']}")
+                lines.append(f"  [yellow][!][/yellow]  {name_msg}")
             elif r["status"] in ("off", "error"):
-                lines.append(f"  [X] {r['name']} — {r['message']}")
+                lines.append(f"  [red][X][/red]  {name_msg}")
 
     # Tier 1 — needs free key
     tier1 = {k: r for k, r in results.items() if r["tier"] == 1}
     if tier1:
         lines.append("")
-        lines.append("搜索（mcporter 即可解锁）：")
+        lines.append("[bold]搜索（mcporter 即可解锁）：[/bold]")
         for key, r in tier1.items():
+            name_msg = f"[bold]{escape(r['name'])}[/bold] — {escape(r['message'])}"
             if r["status"] == "ok":
-                lines.append(f"  ✅ {r['name']} — {r['message']}")
+                lines.append(f"  [green]✅[/green] {name_msg}")
             else:
-                lines.append(f"  -- {r['name']} — {r['message']}")
+                lines.append(f"  [dim]--[/dim]  {name_msg}")
 
     # Tier 2 — optional setup
     tier2 = {k: r for k, r in results.items() if r["tier"] == 2}
     if tier2:
         lines.append("")
-        lines.append("配置后可用：")
+        lines.append("[bold]配置后可用：[/bold]")
         for key, r in tier2.items():
+            name_msg = f"[bold]{escape(r['name'])}[/bold] — {escape(r['message'])}"
             if r["status"] == "ok":
-                lines.append(f"  ✅ {r['name']} — {r['message']}")
+                lines.append(f"  [green]✅[/green] {name_msg}")
             elif r["status"] == "warn":
-                lines.append(f"  [!]  {r['name']} — {r['message']}")
+                lines.append(f"  [yellow][!][/yellow]  {name_msg}")
             else:
-                lines.append(f"  -- {r['name']} — {r['message']}")
+                lines.append(f"  [dim]--[/dim]  {name_msg}")
 
     lines.append("")
-    lines.append(f"状态：{ok_count}/{total} 个渠道可用")
+    status_color = "green" if ok_count == total else ("yellow" if ok_count > 0 else "red")
+    lines.append(f"状态：[{status_color}]{ok_count}/{total}[/{status_color}] 个渠道可用")
     if ok_count < total:
-        lines.append("运行 `agent-reach setup` 解锁更多渠道")
+        lines.append("运行 [cyan]`agent-reach setup`[/cyan] 解锁更多渠道")
 
     # Security check: config file permissions (Unix only)
     import os
     import stat
     import sys
+
     config_path = Config.CONFIG_DIR / "config.yaml"
     if config_path.exists() and sys.platform != "win32":
         try:
             mode = config_path.stat().st_mode
             if mode & (stat.S_IRGRP | stat.S_IROTH):
                 lines.append("")
-                lines.append("[!]  安全提示：config.yaml 权限过宽（其他用户可读）")
+                lines.append(
+                    "[bold red][!]  安全提示：config.yaml 权限过宽（其他用户可读）[/bold red]"
+                )
                 lines.append("   修复：chmod 600 ~/.agent-reach/config.yaml")
         except OSError:
             pass