diff --git a/deps/agent-native b/deps/agent-native
index 7425b32..74aa60b 160000
--- a/deps/agent-native
+++ b/deps/agent-native
@@ -1 +1 @@
-Subproject commit 7425b32b9ebd7050f3630f3c0de8a3ade28c1606
+Subproject commit 74aa60bf2e33a5ca3928f203e019ea9dc0864931
diff --git a/deps/agent-squad b/deps/agent-squad
index 9d3faef..6306451 160000
--- a/deps/agent-squad
+++ b/deps/agent-squad
@@ -1 +1 @@
-Subproject commit 9d3faefb97a6ce8e83c143f41fcc87e4631d1c92
+Subproject commit 63064515529694e590d59979e21b2831a1958c03
diff --git a/internal/app/app.go b/internal/app/app.go
index d17f63b..048f089 100644
--- a/internal/app/app.go
+++ b/internal/app/app.go
@@ -298,6 +298,8 @@ func Run(opt Options) error {
 	if err := mgr.ReconcileInterrupted(); err != nil {
 		return fmt.Errorf("reconcile interrupted runs: %w", err)
 	}
+	// 后台子代理通知重启重投（N2 WP5）：未投递结果装回队列并按空闲语义投递。
+	mgr.LoadPendingNotices()
 	mgr.SetSquadRunner(&runtime.SquadRunner{})
 
 	// 意图闸门：插件意图 overlay → agent-intent 注册表（未装载意图 = 行为回退）。
@@ -353,6 +355,8 @@ func Run(opt Options) error {
 	}
 	// fs 预留能力沙箱根：<DataDir>/workspaces/<owner>/<conversationID>/。
 	mgr.SetWorkspaceRoot(filepath.Join(opt.DataDir, "workspaces"))
+	// 中断子代理续跑（N2 WP5）：依赖转录目录（workspaceRoot）与派生请求。
+	mgr.ResumeInterruptedChildren()
 
 	// 收件箱任务卡：事件走会话事件管道（持久化/seq/重放）；关闭即 T0 基线。
 	cardSvc := cardsvc.New(st, mgr.EmitCardEvent)
diff --git a/internal/runmgr/runmgr.go b/internal/runmgr/runmgr.go
index 16fecb2..020580d 100644
--- a/internal/runmgr/runmgr.go
+++ b/internal/runmgr/runmgr.go
@@ -82,6 +82,7 @@ const maxBackgroundChildren = 3
 
 // bgNotice 是一条尚未投递给父会话的后台子代理结果。
 type bgNotice struct {
+	id      string // 持久化队列主键（重启重投凭据）
 	owner   string
 	name    string
 	payload core.AgentResultPayload
@@ -1356,6 +1357,8 @@ func (m *Manager) startChild(parentCtx context.Context, parent core.Run, agentID
 	if err := m.st.CreateRun(&child); err != nil {
 		return nil, nil, err
 	}
+	// 独立转录（N2 WP5）：派生请求落盘，续跑的重建凭据。
+	m.writeSubagentRequest(child, agentID, name, task, hint, detach)
 	m.emit(parent.ConversationID, parent.ID, core.EvAgentSpawn, core.AgentSpawnPayload{AgentRun: child.ID, Name: name, Task: task})
 
 	base := parentCtx
@@ -1421,6 +1424,8 @@ func (m *Manager) finishChild(rc *runCtx, runner runtime.Runner, emitResult bool
 	m.mu.Lock()
 	subParts := append([]core.Part{}, rc.h.assistant...)
 	m.mu.Unlock()
+	// 独立转录落定（含终态 done 标记，供续跑幂等判定）。
+	m.writeSubagentTranscript(child, subParts, string(status))
 	fullText := partsText(subParts)
 	if len(subParts) > 0 {
 		_ = m.st.AppendMessage(&core.Message{ConversationID: child.ConversationID, RunID: child.ID, Role: core.RoleAssistant, Parts: subParts})
@@ -1485,6 +1490,15 @@ func (m *Manager) decBackground(convID string) {
 }
 
 func (m *Manager) enqueueNotice(convID string, n bgNotice) {
+	// 先落库（重启重投凭据），再进内存热队列；落库失败不丢内存路径。
+	if n.id == "" {
+		n.id = store.NewID("ntc")
+	}
+	if err := m.st.AppendNotice(store.Notice{
+		ID: n.id, ConversationID: convID, Owner: n.owner, Name: n.name, Payload: n.payload,
+	}); err != nil {
+		log.Printf("[runmgr] notice persist %s: %v", convID, err)
+	}
 	m.noticeMu.Lock()
 	defer m.noticeMu.Unlock()
 	if m.notices == nil {
@@ -1493,6 +1507,31 @@ func (m *Manager) enqueueNotice(convID string, n bgNotice) {
 	m.notices[convID] = append(m.notices[convID], n)
 }
 
+// LoadPendingNotices 启动时把未投递的通知装回内存队列并尝试投递
+// （N2 WP5：重启重投）。投递遵循既有空闲语义（忙则等下一轮触发）。
+func (m *Manager) LoadPendingNotices() {
+	items, err := m.st.ListNotices()
+	if err != nil {
+		log.Printf("[runmgr] notice load: %v", err)
+		return
+	}
+	byConv := map[string]bool{}
+	m.noticeMu.Lock()
+	if m.notices == nil {
+		m.notices = map[string][]bgNotice{}
+	}
+	for _, it := range items {
+		m.notices[it.ConversationID] = append(m.notices[it.ConversationID], bgNotice{
+			id: it.ID, owner: it.Owner, name: it.Name, payload: it.Payload,
+		})
+		byConv[it.ConversationID] = true
+	}
+	m.noticeMu.Unlock()
+	for convID := range byConv {
+		m.deliverNotices(convID)
+	}
+}
+
 // deliverNotices 在会话空闲时把全部待投递结果合并成一条 system 消息，并启动新的父回合。
 // 会话忙、或启动时发现忙，就把结果放回队列。
 func (m *Manager) deliverNotices(convID string) {
@@ -1537,6 +1576,17 @@ func (m *Manager) deliverNotices(convID string) {
 		}
 		m.notices[convID] = append(items, m.notices[convID]...)
 		m.noticeMu.Unlock()
+		return
+	}
+	// 投递成功才删持久化行（失败保留下次重投）。
+	ids := make([]string, 0, len(items))
+	for _, n := range items {
+		if n.id != "" {
+			ids = append(ids, n.id)
+		}
+	}
+	if err := m.st.DeleteNotices(ids); err != nil {
+		log.Printf("[runmgr] notice delete: %v", err)
 	}
 }
 
@@ -1597,6 +1647,16 @@ func (m *Manager) InterruptRunning() {
 		h.cancel()
 	}
 	for _, id := range ids {
+		// 子代理 run 先把已收集的部分转录落定（中断可续跑的现场）。
+		if run, err := m.st.GetRunByID(id); err == nil && run.Kind == core.RunSubagent {
+			m.mu.Lock()
+			var parts []core.Part
+			if h, ok := m.active[id]; ok {
+				parts = append(parts, h.assistant...)
+			}
+			m.mu.Unlock()
+			m.writeSubagentTranscript(run, parts, "interrupted")
+		}
 		m.sealRunInterrupted(id)
 	}
 }
diff --git a/internal/runmgr/subagent_n2_test.go b/internal/runmgr/subagent_n2_test.go
new file mode 100644
index 0000000..8c001b2
--- /dev/null
+++ b/internal/runmgr/subagent_n2_test.go
@@ -0,0 +1,140 @@
+package runmgr
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"time"
+
+	"agent-system-backend/internal/store"
+	core "agent-system-core"
+)
+
+// ---- N2 WP5：子代理独立转录、中断续跑、通知持久化 ----
+
+// 派生即落 request.json；完成时 transcript.jsonl + done.json 落定。
+func TestSubagentTranscriptFilesWritten(t *testing.T) {
+	c, _ := newSpawnEnv(t, &gateRunner{parts: []core.Part{{Type: core.PartText, Text: "结果文本"}}})
+	ws := t.TempDir()
+	c.mgr.SetWorkspaceRoot(ws)
+	res, err := c.SpawnSubagent("检索", "查资料", "提示语")
+	if err != nil {
+		t.Fatal(err)
+	}
+	dir := filepath.Join(ws, c.run.Owner, c.run.ConversationID, "subagents", res.AgentRun)
+	reqBody, err := os.ReadFile(filepath.Join(dir, "request.json"))
+	if err != nil {
+		t.Fatalf("request.json: %v", err)
+	}
+	if !strings.Contains(string(reqBody), "查资料") {
+		t.Fatalf("request.json 内容：%s", reqBody)
+	}
+	trBody, err := os.ReadFile(filepath.Join(dir, "transcript.jsonl"))
+	if err != nil || !strings.Contains(string(trBody), "结果文本") {
+		t.Fatalf("transcript.jsonl：%v %s", err, trBody)
+	}
+	doneBody, err := os.ReadFile(filepath.Join(dir, "done.json"))
+	if err != nil || !strings.Contains(string(doneBody), "completed") {
+		t.Fatalf("done.json：%v %s", err, doneBody)
+	}
+}
+
+// 中断子 run 凭 request.json 续跑：同任务重派、hint 带前次转录路径、
+// resumed.json 防重复续跑。
+func TestResumeInterruptedChildrenRespawns(t *testing.T) {
+	runner := &gateRunner{parts: []core.Part{{Type: core.PartText, Text: "续跑结果"}}}
+	c, st := newSpawnEnv(t, runner)
+	c.mgr.runner = noopRunner{}
+	ws := t.TempDir()
+	c.mgr.SetWorkspaceRoot(ws)
+
+	// 父 run 落库（续跑要经 store 取回派生上下文）。
+	parentRun := c.run
+	if err := st.CreateRun(&parentRun); err != nil {
+		t.Fatal(err)
+	}
+	// 造一个中断的子 run 现场（等价于崩溃前的派生）。
+	child := core.Run{
+		ID: store.NewID("run"), ParentRunID: c.run.ID, ConversationID: c.run.ConversationID,
+		ProjectID: c.run.ProjectID, Owner: c.run.Owner, Kind: core.RunSubagent, ProfileID: c.run.ProfileID,
+		Status: core.RunRunning, CreatedAt: time.Now().UTC(),
+	}
+	if err := st.CreateRun(&child); err != nil {
+		t.Fatal(err)
+	}
+	c.mgr.writeSubagentRequest(child, "agent.sub.explore", "检索", "原始任务", "原始提示", true)
+	if _, err := st.SealInterrupted(child.ID); err != nil {
+		t.Fatal(err)
+	}
+
+	before, err := st.SubagentRunIDs(c.run.ConversationID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	c.mgr.ResumeInterruptedChildren()
+
+	ids, err := st.SubagentRunIDs(c.run.ConversationID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(ids) != len(before)+1 {
+		t.Fatalf("续跑应新增一个子 run：before=%v after=%v", before, ids)
+	}
+	// resumed.json 幂等：第二次调用不再新增。
+	c.mgr.ResumeInterruptedChildren()
+	ids2, _ := st.SubagentRunIDs(c.run.ConversationID)
+	if len(ids2) != len(ids) {
+		t.Fatalf("重复续跑：%v → %v", ids, ids2)
+	}
+}
+
+// 通知先落库后投递；模拟重启后 LoadPendingNotices 重投并清库。
+func TestNoticesPersistAndRedeliverAfterRestart(t *testing.T) {
+	runner := &gateRunner{parts: []core.Part{{Type: core.PartText, Text: "后台结果"}}}
+	c, st := newSpawnEnv(t, runner)
+	c.mgr.runner = noopRunner{}
+	// 会话占线：通知只能入库不能投递。
+	if err := c.mgr.claimConversation(c.run.ConversationID); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := c.SpawnBackground("agent.sub.general", "甲", "任务甲", ""); err != nil {
+		t.Fatal(err)
+	}
+	waitUntil(t, func() bool {
+		items, err := st.ListNotices()
+		return err == nil && len(items) == 1
+	})
+	// 模拟重启：同一 store 上的新 Manager 只接通知面（会话仍忙时不应丢）。
+	c.mgr.releaseConversation(c.run.ConversationID)
+	m2 := New(st, c.mgr.bus, nil, c.mgr.profiles, c.mgr.settings, noopRunner{}, runner, nil, nil)
+	m2.LoadPendingNotices()
+	waitUntil(t, func() bool {
+		items, err := st.ListNotices()
+		return err == nil && len(items) == 0
+	})
+	texts := systemTexts(t, c)
+	if len(texts) == 0 || !strings.Contains(texts[len(texts)-1], "后台结果") {
+		t.Fatalf("重投的通知正文缺失：%v", texts)
+	}
+}
+
+// 适配层 Background 分支：Request.Background=true → SpawnBackground（语义
+// 与产品 delegate 的 background 参数一致）。在本包内用 runCtx 直验。
+func TestSpawnBackgroundRecordsDetach(t *testing.T) {
+	runner := &gateRunner{parts: []core.Part{{Type: core.PartText, Text: "bg"}}}
+	c, _ := newSpawnEnv(t, runner)
+	c.mgr.runner = noopRunner{}
+	id, err := c.SpawnBackground("agent.sub.general", "后台", "任务", "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	run, err := c.mgr.st.GetRunByID(id)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if run.Kind != core.RunSubagent || run.Status != core.RunCompleted && run.Status != core.RunRunning {
+		t.Fatalf("run = %+v", run)
+	}
+}
+
diff --git a/internal/runmgr/subagent_transcript.go b/internal/runmgr/subagent_transcript.go
new file mode 100644
index 0000000..f53475f
--- /dev/null
+++ b/internal/runmgr/subagent_transcript.go
@@ -0,0 +1,156 @@
+package runmgr
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"time"
+
+	core "agent-system-core"
+)
+
+// subagent_transcript.go — 子代理独立转录与中断续跑（N2 WP5）。
+// 每个子 run 一个目录：<workspaceRoot>/<owner>/<conv>/subagents/<runID>/
+//   request.json     派生请求（agentID/name/task/hint/detach），续跑的重建凭据
+//   transcript.jsonl 按 part 追加的转录（完成/中断时落定）
+//   done.json        终态标记（resume 幂等：有它不再续跑）
+//   resumed.json     已续跑标记（指向新 run）
+
+// subagentDir 返回子 run 的转录目录（未配置 workspaceRoot 时为空，写盘静默跳过）。
+func (m *Manager) subagentDir(owner, convID, runID string) string {
+	if m.workspaceRoot == "" {
+		return ""
+	}
+	return filepath.Join(m.workspaceRoot, filepath.Clean(owner), filepath.Clean(convID), "subagents", filepath.Clean(runID))
+}
+
+// subagentRequest 是 request.json 的内容。
+type subagentRequest struct {
+	AgentID   string `json:"agentId"`
+	Name      string `json:"name"`
+	Task      string `json:"task"`
+	Hint      string `json:"hint,omitempty"`
+	Detach    bool   `json:"detach"`
+	CreatedAt string `json:"createdAt"`
+}
+
+// writeSubagentRequest 在派生时落 request.json 与空转录（失败只记日志，
+// 不阻断派生——转录是辅助面）。
+func (m *Manager) writeSubagentRequest(run core.Run, agentID, name, task, hint string, detach bool) {
+	dir := m.subagentDir(run.Owner, run.ConversationID, run.ID)
+	if dir == "" {
+		return
+	}
+	if err := os.MkdirAll(dir, 0o755); err != nil {
+		log.Printf("[runmgr] subagent dir %s: %v", run.ID, err)
+		return
+	}
+	body, _ := json.MarshalIndent(subagentRequest{
+		AgentID: agentID, Name: name, Task: task, Hint: hint, Detach: detach,
+		CreatedAt: time.Now().UTC().Format(time.RFC3339),
+	}, "", "  ")
+	if err := os.WriteFile(filepath.Join(dir, "request.json"), body, 0o644); err != nil {
+		log.Printf("[runmgr] subagent request %s: %v", run.ID, err)
+	}
+	// 转录文件先建（append 语义清晰可见）。
+	if _, err := os.OpenFile(filepath.Join(dir, "transcript.jsonl"), os.O_CREATE|os.O_WRONLY, 0o644); err != nil {
+		log.Printf("[runmgr] subagent transcript %s: %v", run.ID, err)
+	}
+}
+
+// writeSubagentTranscript 把本次收集到的 parts 追加进转录并落 done 标记。
+// status 是终态（completed/failed/cancelled/interrupted）。
+func (m *Manager) writeSubagentTranscript(run core.Run, parts []core.Part, status string) {
+	dir := m.subagentDir(run.Owner, run.ConversationID, run.ID)
+	if dir == "" {
+		return
+	}
+	if err := os.MkdirAll(dir, 0o755); err != nil {
+		return
+	}
+	f, err := os.OpenFile(filepath.Join(dir, "transcript.jsonl"), os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644)
+	if err != nil {
+		log.Printf("[runmgr] transcript open %s: %v", run.ID, err)
+		return
+	}
+	enc := json.NewEncoder(f)
+	for i, p := range parts {
+		_ = enc.Encode(map[string]any{"index": i, "type": string(p.Type), "text": p.Text, "at": time.Now().UTC().Format(time.RFC3339)})
+	}
+	_ = f.Close()
+	done, _ := json.Marshal(map[string]string{"status": status, "endedAt": time.Now().UTC().Format(time.RFC3339)})
+	if err := os.WriteFile(filepath.Join(dir, "done.json"), done, 0o644); err != nil {
+		log.Printf("[runmgr] done marker %s: %v", run.ID, err)
+	}
+}
+
+// readSubagentRequest 读 request.json（无文件返回 nil, nil）。
+func readSubagentRequest(dir string) (*subagentRequest, error) {
+	body, err := os.ReadFile(filepath.Join(dir, "request.json"))
+	if os.IsNotExist(err) {
+		return nil, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	var req subagentRequest
+	if err := json.Unmarshal(body, &req); err != nil {
+		return nil, fmt.Errorf("request.json: %w", err)
+	}
+	return &req, nil
+}
+
+// ResumeInterruptedChildren 重启后扫描被中断的子代理 run：有派生请求且
+// 未完成未续跑的，用原请求重新派生（后台），并把前次转录路径写进 hint
+// 供模型读取后继续（N2 WP5 的「可恢复」）。幂等：done/resumed 标记跳过。
+func (m *Manager) ResumeInterruptedChildren() {
+	runs, err := m.st.ListInterruptedSubagentRuns()
+	if err != nil {
+		log.Printf("[runmgr] resume scan: %v", err)
+		return
+	}
+	for _, run := range runs {
+		dir := m.subagentDir(run.Owner, run.ConversationID, run.ID)
+		if dir == "" {
+			continue
+		}
+		if fileExists(filepath.Join(dir, "done.json")) || fileExists(filepath.Join(dir, "resumed.json")) {
+			continue
+		}
+		req, err := readSubagentRequest(dir)
+		if err != nil {
+			log.Printf("[runmgr] resume read %s: %v", run.ID, err)
+			continue
+		}
+		if req == nil {
+			continue // WP5 之前的旧 run 没有重建凭据，保持 interrupted 终态
+		}
+		parent, err := m.st.GetRunByID(run.ParentRunID)
+		if err != nil {
+			log.Printf("[runmgr] resume parent %s: %v", run.ParentRunID, err)
+			continue
+		}
+		hint := req.Hint + "\n（本任务是前次中断后的自动续跑；前次转录在 " +
+			filepath.Join(dir, "transcript.jsonl") + "，可读取后继续。）"
+		newID, err := m.spawnBackground(parent, req.AgentID, req.Name, req.Task, hint)
+		if err != nil {
+			log.Printf("[runmgr] resume spawn %s: %v", run.ID, err)
+			continue
+		}
+		marker, _ := json.Marshal(map[string]string{
+			"newRun":   newID,
+			"resumedAt": time.Now().UTC().Format(time.RFC3339),
+		})
+		if err := os.WriteFile(filepath.Join(dir, "resumed.json"), marker, 0o644); err != nil {
+			log.Printf("[runmgr] resumed marker %s: %v", run.ID, err)
+		}
+		log.Printf("[runmgr] resumed subagent %s as %s", run.ID, newID)
+	}
+}
+
+func fileExists(path string) bool {
+	_, err := os.Stat(path)
+	return err == nil
+}
diff --git a/internal/squadadapter/adapter.go b/internal/squadadapter/adapter.go
index 850839d..09a3771 100644
--- a/internal/squadadapter/adapter.go
+++ b/internal/squadadapter/adapter.go
@@ -313,6 +313,20 @@ func SubagentFactory(rc Ctx) subagent.Factory {
 		if len(req.Deliverables) > 0 {
 			b.WriteString("\n交付物：" + strings.Join(req.Deliverables, ", "))
 		}
+		// Background（N2 WP5）：声明驱动后台派生，语义同产品 delegate 的
+		// background 参数；完成结果经通知队列回投，本次调用立即返回 run ID。
+		// rc 无后台能力（测试桩/旧宿主）时回落同步派生，不 fail-closed。
+		if req.Background {
+			if bg, ok := rc.(interface {
+				SpawnBackground(agentID, name, task, hint string) (core.ID, error)
+			}); ok {
+				id, err := bg.SpawnBackground("delegatee", "delegatee", b.String(), "内核 delegate_task 委派（后台）")
+				if err != nil {
+					return subagent.Result{}, err
+				}
+				return subagent.Result{Success: true, Text: "已在后台启动 " + id + "，完成后会自动通知"}, nil
+			}
+		}
 		payload, err := rc.SpawnSubagent("delegatee", b.String(), "内核 delegate_task 委派")
 		if err != nil {
 			return subagent.Result{}, err
diff --git a/internal/store/migrate.go b/internal/store/migrate.go
index d1aa0a5..842056d 100644
--- a/internal/store/migrate.go
+++ b/internal/store/migrate.go
@@ -404,9 +404,27 @@ func init() {
 		migration{version: 16, name: "secrets_context_and_variants",
 			up:   map[string][]string{"sqlite": v16Up, "postgres": v16Up},
 			down: map[string][]string{"sqlite": v16Down, "postgres": v16Down}},
+		migration{version: 17, name: "pending_notices",
+			up:   map[string][]string{"sqlite": v17Up, "postgres": v17Up},
+			down: map[string][]string{"sqlite": v17Down, "postgres": v17Down}},
 	)
 }
 
+// v17 后台子代理完成通知的持久化队列（N2 WP5：重启后重投未投递结果）。
+var v17Up = []string{
+	`CREATE TABLE IF NOT EXISTS pending_notices (
+		id TEXT PRIMARY KEY,
+		conversation_id TEXT NOT NULL,
+		owner TEXT NOT NULL,
+		name TEXT NOT NULL,
+		payload TEXT NOT NULL,
+		created_at TEXT NOT NULL
+	)`,
+	`CREATE INDEX IF NOT EXISTS idx_pending_notices_conv ON pending_notices(conversation_id, created_at)`,
+}
+
+var v17Down = []string{`DROP TABLE IF EXISTS pending_notices`}
+
 // v16 密钥独立表、设置快照、条件注入、用户命令、会话要求、消息排除与候选回复。
 var v16Up = []string{
 	`CREATE TABLE IF NOT EXISTS secret_keys (
diff --git a/internal/store/notices.go b/internal/store/notices.go
new file mode 100644
index 0000000..72e5327
--- /dev/null
+++ b/internal/store/notices.go
@@ -0,0 +1,63 @@
+package store
+
+import (
+	"database/sql"
+	"errors"
+	"time"
+
+	core "agent-system-core"
+)
+
+// Notice 是一条待投递的后台子代理完成通知（N2 WP5）。
+type Notice struct {
+	ID             string
+	ConversationID string
+	Owner          string
+	Name           string
+	Payload        core.AgentResultPayload
+	CreatedAt      time.Time
+}
+
+// AppendNotice 落一条待投递通知（重启后可重投）。
+func (s *Store) AppendNotice(n Notice) error {
+	_, err := s.db.Exec(s.q(`INSERT INTO pending_notices (id,conversation_id,owner,name,payload,created_at) VALUES(?,?,?,?,?,?)`),
+		n.ID, n.ConversationID, n.Owner, n.Name, marshalJSON(&n.Payload), nowISO())
+	return err
+}
+
+// ListNotices 取回全部待投递通知（Manager 启动时装入内存队列）。
+func (s *Store) ListNotices() ([]Notice, error) {
+	rows, err := s.db.Query(s.q(`SELECT id,conversation_id,owner,name,payload,created_at FROM pending_notices ORDER BY created_at`))
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var out []Notice
+	for rows.Next() {
+		var n Notice
+		var payload, ca string
+		if err := rows.Scan(&n.ID, &n.ConversationID, &n.Owner, &n.Name, &payload, &ca); err != nil {
+			return nil, err
+		}
+		n.Payload, _ = unmarshalJSON[core.AgentResultPayload](payload)
+		n.CreatedAt, _ = parseTime(ca)
+		out = append(out, n)
+	}
+	return out, rows.Err()
+}
+
+// DeleteNotice 投递成功后删除（按 id 幂等）。
+func (s *Store) DeleteNotice(id string) error {
+	_, err := s.db.Exec(s.q(`DELETE FROM pending_notices WHERE id=?`), id)
+	return err
+}
+
+// DeleteNotices 批量删除（投递成功批）。
+func (s *Store) DeleteNotices(ids []string) error {
+	for _, id := range ids {
+		if err := s.DeleteNotice(id); err != nil && !errors.Is(err, sql.ErrNoRows) {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/internal/store/recovery.go b/internal/store/recovery.go
index f1c2878..33c8db6 100644
--- a/internal/store/recovery.go
+++ b/internal/store/recovery.go
@@ -195,3 +195,23 @@ func (s *Store) settleRunOnce(r *core.Run, msg *core.Message) (bool, error) {
 	}
 	return n == 1, nil
 }
+
+// ListInterruptedSubagentRuns 列出被收成 interrupted 的子代理 run
+// （N2 WP5 重启续跑的候选集；幂等过滤由转录目录的 done/resumed 标记完成）。
+func (s *Store) ListInterruptedSubagentRuns() ([]core.Run, error) {
+	rows, err := s.db.Query(s.q(`SELECT `+runColumns+` FROM runs WHERE kind=? AND status=? ORDER BY created_at`),
+		string(core.RunSubagent), string(core.RunInterrupted))
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	out := []core.Run{}
+	for rows.Next() {
+		r, err := scanRun(rows.Scan)
+		if err != nil {
+			return nil, err
+		}
+		out = append(out, r)
+	}
+	return out, rows.Err()
+}
diff --git a/internal/store/store_test.go b/internal/store/store_test.go
index f2c77d5..1c8f083 100644
--- a/internal/store/store_test.go
+++ b/internal/store/store_test.go
@@ -71,8 +71,8 @@ func TestMigrationUpgradesExistingDatabase(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if len(got) != 16 {
-		t.Fatalf("expected versions [1..16], got %v", got)
+	if len(got) != 17 {
+		t.Fatalf("expected versions [1..17], got %v", got)
 	}
 	// 老库形态（v2 前）：events 全局自增、settings 单列主键。
 	if err := st.MigrateDown(1); err != nil {