diff --git a/internal/plugins/remotedevice/binary_test.go b/internal/plugins/remotedevice/binary_test.go
index 7dbc68b..49eafe2 100644
--- a/internal/plugins/remotedevice/binary_test.go
+++ b/internal/plugins/remotedevice/binary_test.go
@@ -10,6 +10,7 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"strings"
+	"sync"
 	"testing"
 	"time"
 )
@@ -560,3 +561,115 @@ func TestClipboardEndToEnd(t *testing.T) {
 		}
 	})
 }
+
+// ===== 能力矩阵：caps 声明 → 工具可用性 =====
+
+func TestCapabilityMatrix(t *testing.T) {
+	cases := []struct {
+		name     string
+		caps     []string
+		tool     string
+		expected bool
+	}{
+		{"摄像头只声明camera不能screensee", []string{"camera"}, "screensee", false},
+		{"摄像头只声明camera可以camerasue", []string{"camera"}, "camerasue", true},
+		{"屏幕设备支持screensue+screensee", []string{"screen"}, "screensee", true},
+		{"clipboard能力含读写", []string{"clipboard"}, "clipboardsue", true},
+		{"精确声明computeruse", []string{"computeruse"}, "computeruse", true},
+		{"历史cmd视为全能力", []string{"status", "cmdrun", "deviceinfo"}, "screensee", true},
+		{"无任何已知能力视为全兼容", []string{}, "computeruse", true},
+		{"混合：有已知能力则严格匹配", []string{"camera", "screen"}, "computeruse", false},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := deviceSupportsTool(tc.caps, tc.tool); got != tc.expected {
+				t.Fatalf("deviceSupportsTool(%v, %s) = %v, want %v", tc.caps, tc.tool, got, tc.expected)
+			}
+		})
+	}
+
+	// 端到端：声明 camera 的设备调 screensee 应被拒绝
+	reg := NewRegistry()
+	token := "test-cap-token"
+	reg.SetAcceptToken(func(provided string) bool { return provided == token })
+	dev := &devicectlDevice{reg: reg}
+
+	srv := httptest.NewServer(http.HandlerFunc(reg.ServeWS))
+	defer srv.Close()
+	cli := dialTestWS(t, srv.URL, token)
+	defer cli.close()
+
+	cli.sendText([]byte(`{"op":"hello","device":{"device_id":"cam-only","name":"纯摄像头","kind":"camera","caps":["camera"]}}`))
+	if _, _, err := cli.readMsg(); err != nil {
+		t.Fatalf("read hello_ack: %v", err)
+	}
+	reg.SetAuthorized("cam-only", true)
+
+	if _, err := dev.Execute("screensee", map[string]interface{}{"device_id": "cam-only"}); err == nil {
+		t.Fatal("camera-only device should not support screensee")
+	} else if !strings.Contains(err.Error(), "未声明 screensee 能力") {
+		t.Fatalf("unexpected error: %v", err)
+	}
+}
+
+// ===== 设备主动上报事件 → 事件回调 =====
+
+func TestDeviceEventReport(t *testing.T) {
+	reg := NewRegistry()
+	token := "test-evt-token"
+	reg.SetAcceptToken(func(provided string) bool { return provided == token })
+
+	var events []map[string]interface{}
+	var evtMu sync.Mutex
+	reg.SetEventHandler(func(deviceID string, msg map[string]interface{}) {
+		evtMu.Lock()
+		events = append(events, msg)
+		evtMu.Unlock()
+	})
+
+	srv := httptest.NewServer(http.HandlerFunc(reg.ServeWS))
+	defer srv.Close()
+	cli := dialTestWS(t, srv.URL, token)
+	defer cli.close()
+
+	cli.sendText([]byte(`{"op":"hello","device":{"device_id":"cam-watch","name":"监控摄像头","kind":"camera","caps":["camera"]}}`))
+	if _, _, err := cli.readMsg(); err != nil {
+		t.Fatalf("read hello_ack: %v", err)
+	}
+
+	// 设备主动上报：识别到未知人员驻留
+	cli.sendText(mustJSON(map[string]interface{}{
+		"op": "event", "device_id": "cam-watch",
+		"type":    "unknown_person_detected",
+		"detail":  "后门区域检测到陌生面孔，驻留超过30秒",
+	}))
+	// 不带 device_id 时应回退到当前连接的设备
+	cli.sendText(mustJSON(map[string]interface{}{
+		"op":   "event",
+		"type": "motion",
+	}))
+
+	deadline := time.After(3 * time.Second)
+	for {
+		evtMu.Lock()
+		n := len(events)
+		evtMu.Unlock()
+		if n >= 2 {
+			break
+		}
+		select {
+		case <-deadline:
+			t.Fatalf("expected 2 events, got %d", n)
+		default:
+			time.Sleep(20 * time.Millisecond)
+		}
+	}
+	evtMu.Lock()
+	defer evtMu.Unlock()
+	if events[0]["type"] != "unknown_person_detected" {
+		t.Fatalf("unexpected first event: %v", events[0])
+	}
+	if events[1]["type"] != "motion" {
+		t.Fatalf("unexpected second event: %v", events[1])
+	}
+}
diff --git a/internal/plugins/remotedevice/device.go b/internal/plugins/remotedevice/device.go
index 3d3e794..b9f7458 100644
--- a/internal/plugins/remotedevice/device.go
+++ b/internal/plugins/remotedevice/device.go
@@ -391,6 +391,9 @@ func (d *devicectlDevice) screensee(args map[string]interface{}) (interface{}, e
 	if !m.Online {
 		return nil, fmt.Errorf("device %s 不在线", id)
 	}
+	if !d.reg.SupportsTool(id, "screensee") {
+		return nil, fmt.Errorf("device %s 未声明 screensee 能力（caps=%v），无法截屏", id, m.Caps)
+	}
 	reqID := newReqID()
 	if err := d.reg.PushCmd(id, reqID, "screensee", "homeagent"); err != nil {
 		return nil, fmt.Errorf("下发截屏命令失败: %w", err)
@@ -439,6 +442,9 @@ func (d *devicectlDevice) computeruse(args map[string]interface{}) (interface{},
 	if !m.Online {
 		return nil, fmt.Errorf("device %s 不在线", id)
 	}
+	if !d.reg.SupportsTool(id, "computeruse") {
+		return nil, fmt.Errorf("device %s 未声明 computeruse 能力（caps=%v），无法操控鼠标键盘", id, m.Caps)
+	}
 
 	// 构造 GUI 端约定的 JSON 参数（坐标相对 screensueDisplay 所选屏）
 	params := map[string]interface{}{"action": action}
@@ -492,8 +498,9 @@ func (d *devicectlDevice) computeruse(args map[string]interface{}) (interface{},
 	return out, nil
 }
 
-// clipboardCheck 检查设备可操作性（存在/已授权/在线），返回错误或 nil。
-func (d *devicectlDevice) clipboardCheck(id, verb string) error {
+// clipboardCheck 检查设备可操作性（存在/已授权/在线/能力声明），返回错误或 nil。
+// tool 为空时跳过能力校验（如 device_ctl_cmdrun 由自身逻辑处理）。
+func (d *devicectlDevice) clipboardCheck(id, verb, tool string) error {
 	if id == "" {
 		return fmt.Errorf("device_id required")
 	}
@@ -507,6 +514,9 @@ func (d *devicectlDevice) clipboardCheck(id, verb string) error {
 	if !m.Online {
 		return fmt.Errorf("device %s 不在线", id)
 	}
+	if tool != "" && !d.reg.SupportsTool(id, tool) {
+		return fmt.Errorf("device %s 未声明 %s 能力（caps=%v），无法执行此操作", id, tool, m.Caps)
+	}
 	return nil
 }
 
@@ -514,7 +524,7 @@ func (d *devicectlDevice) clipboardCheck(id, verb string) error {
 // 协议（GUI 配套）：homeagent-clipboardsee → 回执 output 字段为剪切板文字。
 func (d *devicectlDevice) clipboardsee(args map[string]interface{}) (interface{}, error) {
 	id, _ := args["device_id"].(string)
-	if err := d.clipboardCheck(id, "读取"); err != nil {
+	if err := d.clipboardCheck(id, "读取", "clipboardsee"); err != nil {
 		return nil, err
 	}
 	reqID := newReqID()
@@ -551,7 +561,7 @@ func (d *devicectlDevice) clipboardsue(args map[string]interface{}) (interface{}
 	if text == "" {
 		return nil, fmt.Errorf("text required（要写入剪切板的内容）")
 	}
-	if err := d.clipboardCheck(id, "写入"); err != nil {
+	if err := d.clipboardCheck(id, "写入", "clipboardsue"); err != nil {
 		return nil, err
 	}
 	reqID := newReqID()
diff --git a/internal/plugins/remotedevice/plugin.go b/internal/plugins/remotedevice/plugin.go
index b23e74c..090f358 100644
--- a/internal/plugins/remotedevice/plugin.go
+++ b/internal/plugins/remotedevice/plugin.go
@@ -9,6 +9,7 @@ import (
 	"log"
 	"net/http"
 	"strings"
+	"sync"
 	"time"
 
 	"gitcode.com/JianFeeeee/HomeAgent/internal/plugin"
@@ -115,6 +116,49 @@ func (p *Plugin) Start(s *sdk.PluginSDK) error {
 		log.Printf("[remotedevice] register devicectl channel: %v", err)
 	}
 
+	// ---- 设备主动上报事件 → agent 注入 ----------------
+	// 摄像头发现异常/传感器报警等场景：设备经 WS op=event 上报，
+	// 插件将其格式化为文本经 SDK InjectText 异步注入 agent（source=device/{id}，
+	// 回复路由回 device/{id} 通道），同时发 EventBus 供 WebUI 展示。
+	// 节流：同设备同类型事件 10s 内去重，防传感器风暴。
+	lastEventAt := map[string]time.Time{}
+	var eventMu sync.Mutex
+	p.registry.SetEventHandler(func(deviceID string, msg map[string]interface{}) {
+		evtType, _ := msg["type"].(string)
+		if evtType == "" {
+			evtType = "unknown"
+		}
+		key := deviceID + "|" + evtType
+		eventMu.Lock()
+		if last, ok := lastEventAt[key]; ok && time.Since(last) < 10*time.Second {
+			eventMu.Unlock()
+			log.Printf("[remotedevice] event throttled: %s from %s", evtType, deviceID)
+			return
+		}
+		lastEventAt[key] = time.Now()
+		eventMu.Unlock()
+
+		// 组装人类可读的事件文本（agent 可直接理解）
+		detail, _ := msg["detail"].(string)
+		if detail == "" {
+			if d, ok := msg["payload"].(map[string]interface{}); ok {
+				b, _ := json.Marshal(d)
+				detail = string(b)
+			}
+		}
+		text := fmt.Sprintf("【设备事件上报】设备 %s 触发事件 %s", deviceID, evtType)
+		if detail != "" {
+			text += "：" + detail
+		}
+		text += "。请关注此事件并按需处理（如通知用户、调用相关工具核实）。"
+
+		log.Printf("[remotedevice] event from %s: %s", deviceID, evtType)
+		if p.sdk != nil {
+			// 异步注入：不阻塞 WS 读循环；回复路由回 device/{id} 输出通道
+			p.sdk.InjectInput("device/"+deviceID, "device/"+deviceID, "text", map[string]interface{}{"content": text})
+		}
+	})
+
 	// ---- REST 管理面 + WS 设备通道 ----------------
 	p.registerRoutes()
 	p.server = &http.Server{Addr: p.addr, Handler: p.mux}
diff --git a/internal/plugins/remotedevice/registry.go b/internal/plugins/remotedevice/registry.go
index 4ec477a..4437876 100644
--- a/internal/plugins/remotedevice/registry.go
+++ b/internal/plugins/remotedevice/registry.go
@@ -43,6 +43,7 @@ type Registry struct {
 	conns      map[string]*wconn      // deviceID -> 活跃连接（支持 push）
 	onlineCh   chan string
 	onStatus   func(msg map[string]interface{})
+	onEvent    func(deviceID string, msg map[string]interface{})
 	acceptFn   func(token string) bool
 	cmdPending map[string]chan map[string]interface{} // reqID -> 结果 channel
 	results    map[string]resultEntry                 // reqID -> 已留档结果
@@ -54,6 +55,69 @@ type resultEntry struct {
 	Time   time.Time
 }
 
+// ===== 能力矩阵：caps 声明 → 工具可用性 =====
+// 设备 hello 时声明自身能力（caps），服务端据此校验工具调用：
+// 摄像头只声明 camera 就不能被调 screensee/computeruse，避免无效下发。
+// 兼容历史值：cmd/cmdrun 视为 shell 命令能力；未声明任何已知能力的设备
+// （如旧版 GUI/waiter）视为全能力，保持向后兼容。
+var capabilityTools = map[string][]string{
+	// 屏幕显示/查看
+	"screen":     {"screensue", "screensee"},
+	"screensue":  {"screensue"},
+	"screensee":  {"screensee"},
+	// 鼠标键盘操控
+	"computeruse": {"computeruse"},
+	// 剪切板
+	"clipboard":    {"clipboardsee", "clipboardsue"},
+	"clipboardsee": {"clipboardsee"},
+	"clipboardsue": {"clipboardsue"},
+	// 摄像头（抓拍/录像）
+	"camera":    {"camerasue"},
+	"camerasue": {"camerasue"},
+	// 音频播放
+	"speaker":    {"speakeruse"},
+	"speakeruse": {"speakeruse"},
+}
+
+// compatFullCaps 视为「全能力」的历史 caps 值：声明了这些的设备不参与能力裁剪。
+var compatFullCaps = map[string]bool{
+	"cmd": true, "cmdrun": true, "deviceinfo": true,
+	"status": true, "cmdresult": true,
+}
+
+// SupportsTool 判断设备是否支持某 agent 工具（基于其声明的 caps）。
+// 规则：
+//   - 设备未声明任何已知能力且无兼容全能力标记 → 视为全能力（旧设备兼容）
+//   - 声明了任一兼容全能力标记（cmd/cmdrun 等）→ 全能力
+//   - 否则严格按 capabilityTools 映射匹配
+func (r *Registry) SupportsTool(deviceID, tool string) bool {
+	r.mu.RLock()
+	m, ok := r.devices[deviceID]
+	r.mu.RUnlock()
+	if !ok {
+		return false
+	}
+	return deviceSupportsTool(m.Caps, tool)
+}
+
+func deviceSupportsTool(caps []string, tool string) bool {
+	hasKnown := false
+	for _, c := range caps {
+		if compatFullCaps[c] {
+			return true // 历史全能力设备
+		}
+		if _, known := capabilityTools[c]; known {
+			hasKnown = true
+			for _, t := range capabilityTools[c] {
+				if t == tool {
+					return true
+				}
+			}
+		}
+	}
+	return !hasKnown // 未声明任何已知能力 → 全能力兼容
+}
+
 func NewRegistry() *Registry {
 	return &Registry{
 		devices:    make(map[string]*DeviceMeta),
@@ -79,6 +143,15 @@ func (r *Registry) SetStatusHandler(h func(msg map[string]interface{})) {
 	r.onStatus = h
 }
 
+// SetEventHandler 注册设备主动上报事件的回调（设备→agent 单向推送）。
+// 典型场景：摄像头识别到未知人员驻留、传感器报警等，设备无需 agent 轮询即可上报。
+// 回调参数：deviceID + 事件消息（含 type/payload 等）。
+func (r *Registry) SetEventHandler(h func(deviceID string, msg map[string]interface{})) {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	r.onEvent = h
+}
+
 func (r *Registry) acceptBind(token string) bool {
 	r.mu.RLock()
 	fn := r.acceptFn
@@ -634,6 +707,24 @@ func (r *Registry) handleWS(conn net.Conn, rw *bufio.ReadWriter) {
 			if h != nil {
 				h(msg)
 			}
+		case "event":
+			// 设备主动上报事件（单向推送，无需回执）：摄像头发现异常、传感器报警等。
+			// 转交插件层（经 SDK InjectText 异步注入 agent），无回调时仅记日志。
+			id, _ := msg["device_id"].(string)
+			if id == "" {
+				id = curID
+			}
+			if id == "" {
+				continue
+			}
+			r.mu.RLock()
+			h := r.onEvent
+			r.mu.RUnlock()
+			if h != nil {
+				h(id, msg)
+			} else {
+				log.Printf("[remotedevice] event from %s (no handler): %v", id, msg)
+			}
 		case "cmd_result":
 			reqID, _ := msg["req_id"].(string)
 			if reqID != "" {