diff --git a/deps/agent-native b/deps/agent-native
index 77e7f97..7425b32 160000
--- a/deps/agent-native
+++ b/deps/agent-native
@@ -1 +1 @@
-Subproject commit 77e7f97827d37ec0bdc0323dd30ac65a68e4aa5d
+Subproject commit 7425b32b9ebd7050f3630f3c0de8a3ade28c1606
diff --git a/deps/agent-squad b/deps/agent-squad
index 92f4e92..9d3faef 160000
--- a/deps/agent-squad
+++ b/deps/agent-squad
@@ -1 +1 @@
-Subproject commit 92f4e925d2920efb284044ccfff17102666ca454
+Subproject commit 9d3faefb97a6ce8e83c143f41fcc87e4631d1c92
diff --git a/internal/plugins/host_v2.go b/internal/plugins/host_v2.go
index 6b5c02e..b02b827 100644
--- a/internal/plugins/host_v2.go
+++ b/internal/plugins/host_v2.go
@@ -9,6 +9,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	"agent-system-backend/internal/skills"
 	"agent-system-backend/internal/store"
 	"agent-system-backend/internal/tools"
 	core "agent-system-core"
@@ -59,6 +60,10 @@ func (h *Host) loadDeclared(dir string, m core.PluginManifest, ld *Loaded) error
 		if err != nil {
 			return fmt.Errorf("plugins: %s: skill %s: %w", m.ID, name, err)
 		}
+		// 技能按开放规范校验（N2 WP4）：不合规整批拒载，字段定位到键。
+		if err := skills.ValidateForPlugin(m.ID, name, body); err != nil {
+			return err
+		}
 		if ld.Skills == nil {
 			ld.Skills = map[string]string{}
 		}
diff --git a/internal/plugins/host_v2_test.go b/internal/plugins/host_v2_test.go
index 80f65ce..c22778f 100644
--- a/internal/plugins/host_v2_test.go
+++ b/internal/plugins/host_v2_test.go
@@ -2,6 +2,7 @@ package plugins
 
 import (
 	"os"
+	"strings"
 	"path/filepath"
 	"testing"
 	"time"
@@ -33,7 +34,7 @@ func TestV2AssetsAndNetwork(t *testing.T) {
 		"provides":{"tools":["echo"],"skills":["note"],"mcpServers":["local"],"knowledge":["regs"],"parsers":["pdf"],"agents":["writer"],"channels":["feishu"],"pages":["home"]}
 	}`)
 	write("tools/echo.json", `{"name":"v2_echo","description":"e","parameters":{"type":"object"},"http":{"method":"GET","url":"https://api.example.com/x"}}`)
-	write("skills/note.md", "# note\n")
+	write("skills/note.md", "---\nname: note\ndescription: 笔记技能\n---\n\n# note\n")
 	write("mcp/local.json", `{"name":"local","command":"echo"}`)
 	write("knowledge/regs.json", `{"id":"regs","title":"法规"}`)
 	write("parsers/pdf.json", `{"id":"pdf","title":"PDF","mime":"application/pdf"}`)
@@ -95,3 +96,33 @@ func TestSidecarTouch(t *testing.T) {
 	}
 	t.Fatal("sidecar did not run")
 }
+
+// N2 WP4：不合规插件技能整批拒载，错误带插件上下文与字段定位。
+func TestV2InvalidSkillRejected(t *testing.T) {
+	host, _, dir := newHost(t)
+	root := filepath.Join(dir, "badskill")
+	if err := os.MkdirAll(filepath.Join(root, "skills"), 0o755); err != nil {
+		t.Fatal(err)
+	}
+	write := func(rel, body string) {
+		t.Helper()
+		if err := os.WriteFile(filepath.Join(root, rel), []byte(body), 0o644); err != nil {
+			t.Fatal(err)
+		}
+	}
+	write("plugin.json", `{
+		"id":"badskill","name":"Bad","version":"0.1.0","apiVersion":"`+core.PluginAPIVersionExperimental+`",
+		"backend":{"schemaVersion":1},
+		"provides":{"skills":["note"]}
+	}`)
+	// 缺 name（开放规范必填）。
+	write("skills/note.md", "---\ndescription: 没有名字\n---\n正文\n")
+	err := host.LoadDir()["badskill"]
+	if err == nil {
+		t.Fatal("不合规技能必须拒载")
+	}
+	if !strings.Contains(err.Error(), "plugins: badskill: skill note:") ||
+		!strings.Contains(err.Error(), "name") {
+		t.Fatalf("错误须带插件上下文与字段定位：%v", err)
+	}
+}
diff --git a/internal/skills/recipes/docx-author/SKILL.md b/internal/skills/recipes/docx-author/SKILL.md
index 4cdafff..91836ff 100644
--- a/internal/skills/recipes/docx-author/SKILL.md
+++ b/internal/skills/recipes/docx-author/SKILL.md
@@ -1,4 +1,5 @@
 ---
+name: docx-author
 description: 用 housestyle 生成可直接交付的 Word（.docx）
 ---
 
diff --git a/internal/skills/recipes/house-style/SKILL.md b/internal/skills/recipes/house-style/SKILL.md
index 91053b6..1d34897 100644
--- a/internal/skills/recipes/house-style/SKILL.md
+++ b/internal/skills/recipes/house-style/SKILL.md
@@ -1,4 +1,5 @@
 ---
+name: house-style
 description: 交付物设计系统。用 housestyle 生成 Word、Excel、PowerPoint，并在登记前自检。
 ---
 
diff --git a/internal/skills/recipes/pptx-author/SKILL.md b/internal/skills/recipes/pptx-author/SKILL.md
index 7593279..377d4d1 100644
--- a/internal/skills/recipes/pptx-author/SKILL.md
+++ b/internal/skills/recipes/pptx-author/SKILL.md
@@ -1,4 +1,5 @@
 ---
+name: pptx-author
 description: 用 housestyle 生成 16:9 的 PowerPoint（.pptx）
 ---
 
diff --git a/internal/skills/recipes/xlsx-author/SKILL.md b/internal/skills/recipes/xlsx-author/SKILL.md
index e6ac495..e99439e 100644
--- a/internal/skills/recipes/xlsx-author/SKILL.md
+++ b/internal/skills/recipes/xlsx-author/SKILL.md
@@ -1,4 +1,5 @@
 ---
+name: xlsx-author
 description: 用 housestyle 生成带表头、公式和说明页的 Excel（.xlsx）
 ---
 
diff --git a/internal/skills/skills.go b/internal/skills/skills.go
index 001025b..d6e3511 100644
--- a/internal/skills/skills.go
+++ b/internal/skills/skills.go
@@ -12,6 +12,7 @@ import (
 	"embed"
 	"encoding/hex"
 	"encoding/json"
+	"fmt"
 	"io/fs"
 	"os"
 	"path/filepath"
@@ -80,6 +81,14 @@ func Seed(dir string) (SeedResult, error) {
 		if err != nil {
 			return err
 		}
+		// SKILL.md 种子写入前过开放规范校验（recipes 全 dogfood 合规；
+		// 不合规拒写并上浮——错误不得静默落盘）。
+		if d.Name() == "SKILL.md" {
+			skillName := filepath.Base(filepath.Dir(rel))
+			if verr := validateBuiltin(skillName, data); verr != nil {
+				return fmt.Errorf("builtin skill %s: %w", skillName, verr)
+			}
+		}
 		embedded := hashBytes(data)
 		dst := filepath.Join(dir, filepath.FromSlash(rel))
 		disk, err := os.ReadFile(dst)
diff --git a/internal/skills/validate.go b/internal/skills/validate.go
new file mode 100644
index 0000000..d0f978d
--- /dev/null
+++ b/internal/skills/validate.go
@@ -0,0 +1,23 @@
+package skills
+
+import (
+	"fmt"
+
+	agentskills "agent-native/runtime/skills"
+)
+
+// ValidateForPlugin 用 agent-native 的同一校验器验证插件技能
+// （开放规范：name 必填且与目录同名、description 必填、已知键白名单）。
+// 失败带插件上下文与字段定位，由调用方整批拒绝该插件（fail-closed，
+// 与 agents/ 资产的禁带键同款形态）。
+func ValidateForPlugin(pluginID, name string, body []byte) error {
+	if err := agentskills.ValidateSkillDocument(name, "plugins/"+pluginID+"/skills/"+name+".md", body); err != nil {
+		return fmt.Errorf("plugins: %s: skill %s: %w", pluginID, name, err)
+	}
+	return nil
+}
+
+// validateBuiltin 校验内置配方（种子写入前置；recipes 全部 dogfood 合规）。
+func validateBuiltin(name string, body []byte) error {
+	return agentskills.ValidateSkillDocument(name, "recipes/"+name+"/SKILL.md", body)
+}