refactor(asset): delete_assets_by_host 改为平台工具(默认绑 Auto)

之前作为任务域工具挂在 worker/mainagent 列表里;移除绑定后它也从 BuiltinToolSeeds
自动生成的 seed 清单里消失,导致从未写入 tools 表、UI 看不到。改到平台工具层
(platformTools),由 seedOrchestrationTools 每次启动独立 seed 并默认绑内置 Auto agent,
不属于任务 agent。db 层 DeleteByHost 不变。

Co-Authored-By: Claude Opus 4.8 <[email protected]>

server/platform_tools.go

@@ -23,6 +23,7 @@ func (s *Server) platformTools() []actool.CoreTool {
 		s.toolUpdateCustomTool(),
 		s.toolCreateMCP(),
 		s.toolUpdateMCP(),
+		s.toolDeleteAssetsByHost(),
 	}
 }
 
@@ -31,6 +32,48 @@ var platformToolKeys = []string{
 	"create_skill", "update_skill_file",
 	"create_custom_tool", "update_custom_tool",
 	"create_mcp", "update_mcp",
+	"delete_assets_by_host",
+}
+
+// ---- assets ----
+
+// toolDeleteAssetsByHost hard-deletes every asset tied to one host (exact match).
+// Platform-level (not a per-task tool): operates on the global, cross-task asset库.
+func (s *Server) toolDeleteAssetsByHost() actool.CoreTool {
+	return wrTool("delete_assets_by_host",
+		"按 host 精确删除资产：删掉该 host 的域名/子域名，以及其下的服务(service)、接口(endpoint)。\n"+
+			"host 完全匹配(小写、去空格)，不是模糊/通配。\n"+
+			"传根域名(如 example.com)会连带删除它的子域名及其服务/接口；传子域名(如 a.example.com)或 IP 只删该 host 自身及其服务/接口。\n"+
+			"⚠️ 硬删除、作用于全局资产库(跨任务共享)、不可撤销。",
+		objSchema(map[string]any{
+			"host": strParam("要删除的 host：域名/子域名/IP。完全匹配，如 example.com 或 a.example.com 或 1.2.3.4"),
+		}, "host"),
+		func(_ context.Context, in json.RawMessage) (actool.Result, error) {
+			as := s.assetStore()
+			if as == nil {
+				return actool.Errorf("资产库未初始化"), nil
+			}
+			var a struct {
+				Host string `json:"host"`
+			}
+			_ = json.Unmarshal(in, &a)
+			if strings.TrimSpace(a.Host) == "" {
+				return actool.Errorf("host 不能为空"), nil
+			}
+			counts, err := as.DeleteByHost(a.Host)
+			if err != nil {
+				return actool.Errorf("删除失败: " + err.Error()), nil
+			}
+			var total int64
+			for _, n := range counts {
+				total += n
+			}
+			return jsonResult(map[string]any{
+				"host":            a.Host,
+				"deleted":         total,
+				"deleted_by_type": counts,
+			})
+		})
 }
 
 // ---- skills ----